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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

X: P-loop domains-like
H: P-loop domains-related
T: P-loop containing nucleoside triphosphate hydrolases
F: AAA

PF00004 CL0023

Representatives:

e1d2nA3[A:505-675] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N-ETHYLMALEIMIDE-SENSITIVE FUSION PROTEIN ; ligands: ANP,MG ; X-RAY DIFFRACTION 1.75Å

e1jbkA1[A:157-351] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CLPB PROTEIN ; ligands: MG ; X-RAY DIFFRACTION 1.8Å

e4xguD2[D:122-321] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative pachytene checkpoint protein 2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.29Å

e1iqpA3[A:2-169] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RFCS ; ligands: ADP ; X-RAY DIFFRACTION 2.8Å

e1sxjA3[A:295-478] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Activator 1 95 kDa subunit ; ligands: AGS,MG ; X-RAY DIFFRACTION 2.85Å

e1s3sB2[B:201-371] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

TRANSITIONAL ENDOPLASMIC RETICULUM ATPASE (TER ATPASE) (15S MG(2+)- ATPASE P97 SUBUNIT) (VALOSIN CONTAINING PROTEIN) (VCP) [CONTAINS: VALOSIN] ; ligands: ADP ; X-RAY DIFFRACTION 2.9Å

e1qvrC4[C:149-271,C:291-330] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ClpB protein ; ligands: ANP,PT ; X-RAY DIFFRACTION 3.0Å

e5vq9D2[D:119-320] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pachytene checkpoint protein 2 homolog ; X-RAY DIFFRACTION 3.02Å

e5kzfJ3[J:141-342] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Proteasome-associated ATPase ; X-RAY DIFFRACTION 3.49Å

e4ciuA1[A:159-339] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CHAPERONE PROTEIN CLPB ; ligands: ADP ; X-RAY DIFFRACTION 3.50Å

e1r7rA6[A:471-648] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; X-RAY DIFFRACTION 3.6Å

e1lv7A2[A:144-324] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FtsH ; ligands: SO4 ; X-RAY DIFFRACTION

e7l5xE1[E:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xF4[F:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xG2[G:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xH4[H:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xI4[I:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xJ4[J:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xK3[K:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xL3[L:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdmF3[F:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdoA3[A:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdoB4[B:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdoC2[C:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdoD2[D:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdoE4[E:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdoF4[F:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7sB3[B:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS ; ELECTRON MICROSCOPY

e7r7sC3[C:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS ; ELECTRON MICROSCOPY

e7r7uA1[A:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uB3[B:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uC3[C:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uD2[D:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uE2[E:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uF3[F:463-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wA3[A:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wB3[B:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wC4[C:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wD4[D:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wE1[E:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wF2[F:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wG1[G:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wH2[H:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wI3[I:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wJ3[J:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wK2[K:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5wL2[L:196-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xA4[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xB2[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xC1[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xD2[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xE2[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xF2[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xG4[G:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xH1[H:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xI1[I:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xJ3[J:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xK2[K:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7l5xL4[L:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7mdmF2[F:193-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7mdoA1[A:195-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7mdoB2[B:195-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7mdoC4[C:195-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7mdoD1[D:195-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7mdoE2[E:195-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7mdoF1[F:195-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7r7sB1[B:198-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS ; ELECTRON MICROSCOPY

e7r7sC4[C:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS ; ELECTRON MICROSCOPY

e7r7uA4[A:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uB4[B:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uC1[C:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uD1[D:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uE4[E:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7r7uF1[F:199-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ELECTRON MICROSCOPY

e7rl7A1[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7B6[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7C2[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7D1[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7E5[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7F4[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl9A3[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9B2[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9C6[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9D4[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9E2[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9F2[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlaA6[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaB4[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaC2[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaD6[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaE6[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaF2[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcA6[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcB1[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcC1[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcD6[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcE4[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcF1[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlgA2[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgB6[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgC4[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgD6[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgE5[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgF5[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlhA5[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhB6[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhC3[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhD5[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhE6[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhF3[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljA3[A:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljB2[B:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljC1[C:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljD1[D:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljE1[E:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljF1[F:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljL2[L:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljG6[G:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljH2[H:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljI4[I:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljJ2[J:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljK4[K:201-371] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7A5[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7B5[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7C4[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7D2[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7E6[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl7F5[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rl9A6[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9B5[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9C3[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9D2[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9E6[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rl9F5[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlaA2[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaB6[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaC5[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaD1[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaE4[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlaF3[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcA1[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcB4[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcC5[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcD3[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcE1[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlcF5[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlgA6[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgB1[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgC2[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgD4[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgE2[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlgF6[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7rlhA4[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhB5[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhC4[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhD3[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhE4[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rlhF4[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: AGS,MG ; ELECTRON MICROSCOPY

e7rljA5[A:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljB6[B:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljC2[C:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljD3[D:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljE6[E:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljF4[F:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljL1[L:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljG1[G:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljH5[H:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljI1[I:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljJ1[J:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7rljK6[K:466-648] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: JDP ; ELECTRON MICROSCOPY

e7lmzC6[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7lmzD1[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln0C6[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln0D5[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln1D3[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln2C5[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln2D3[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln3C3[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln3D2[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln4B5[B:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e7ln4C4[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln4D2[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln5C5[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY

e7ln5D4[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7ln6C2[C:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP,ATP,MG ; ELECTRON MICROSCOPY

e7ln6D5[D:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7r7tB4[B:200-372] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Transitional endoplasmic reticulum ATPase ; ligands: ADP ; ELECTRON MICROSCOPY

e7px9F3[F:242-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AAA ATPase forming ring-shaped complexes ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7pxbF3[F:242-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

AAA ATPase forming ring-shaped complexes ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7abrF3[F:159-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Negative regulator of genetic competence ClpC/MecB ; ligands: ADP ; ELECTRON MICROSCOPY

e7sxoC3[C:585-660,C:681-768] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Lon protease homolog, mitochondrial ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e7p09A3[A:410-551,A:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p09B3[B:410-551,B:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p09C3[C:410-551,C:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p09D1[D:410-551,D:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e7p09E4[E:410-551,E:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p09F1[F:410-551,F:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p0bA1[A:410-551,A:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0bB4[B:410-551,B:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0bC3[C:410-551,C:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0bD1[D:410-551,D:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0bE3[E:410-551,E:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0bF4[F:410-551,F:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0mA2[A:410-551,A:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p0mB2[B:410-551,B:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p0mC1[C:410-551,C:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7p0mD1[D:410-551,D:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e7p0mE3[E:410-551,E:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ADP ; ELECTRON MICROSCOPY

e7p0mF2[F:410-551,F:572-658] Image Pymol Jmol Links: PDB, SCOP, CATH

Lon protease homolog, mitochondrial ; ligands: ATP,MG ; ELECTRON MICROSCOPY

e7abrD2[D:158-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Negative regulator of genetic competence ClpC/MecB ; ligands: ATP ; ELECTRON MICROSCOPY

e7abrA1[A:158-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Negative regulator of genetic competence ClpC/MecB ; ligands: ADP,ATP ; ELECTRON MICROSCOPY

e7abrB1[B:158-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Negative regulator of genetic competence ClpC/MecB ; ligands: ATP ; ELECTRON MICROSCOPY

Previous Next

e4cr2J2[J:129-318] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

26S PROTEASE REGULATORY SUBUNIT 8 HOMOLOG ; ELECTRON MICROSCOPY

e4d2qA2[A:159-339] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CLPB ; ELECTRON MICROSCOPY

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes