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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: Macro domain-like
H: Macro domain-like
T: Macro domain-like
F: Macro

PF01661 CL0223

Representatives:

e1vhuA1[A:8-199] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Hypothetical protein AF1521 ; ligands: MES ; X-RAY DIFFRACTION 1.34Å

e5ss6B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ss7B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: RL9 ; X-RAY DIFFRACTION 1.150Å

e5ss8B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ss9B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssaB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssbB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5sscB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssdB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5sseB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssfB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssgB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5sshB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssiB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssjB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5sskB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5sslB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssmB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssnB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssoB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5sspB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssqB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e5ssrB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e7p27A1[A:1-160] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Polyprotein P1234 ; SOLUTION NMR

e7wr6B1[B:-2-191] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ADP-ribose glycohydrolase AF_1521 ; ligands: 5ZY ; X-RAY DIFFRACTION 1.96Å

e8ersA1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WQO ; X-RAY DIFFRACTION 1.050Å

e7fr0A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WW0 ; X-RAY DIFFRACTION 1.150Å

e7fr1A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WWC ; X-RAY DIFFRACTION 1.150Å

e7fr2A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WWH ; X-RAY DIFFRACTION 1.150Å

e7fr3A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WWH ; X-RAY DIFFRACTION 1.000Å

e7fr4A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: DMS,WWN ; X-RAY DIFFRACTION 1.000Å

e7fr5A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WWT ; X-RAY DIFFRACTION 1.000Å

e7fr6A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fr7A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WXB ; X-RAY DIFFRACTION 1.000Å

e7fr8A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fr9A1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WXK ; X-RAY DIFFRACTION 1.000Å

e7fraA1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WXO ; X-RAY DIFFRACTION 1.000Å

e7frbA1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WXT ; X-RAY DIFFRACTION 1.000Å

e7frcA1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WXX ; X-RAY DIFFRACTION 1.000Å

e7frdA1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WY6 ; X-RAY DIFFRACTION 1.000Å

e8ersB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.050Å

e7fr0B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e7fr1B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e7fr2B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.150Å

e7fr3B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fr4B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fr5B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fr6B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WX6 ; X-RAY DIFFRACTION 1.000Å

e7fr7B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fr8B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; ligands: WXF ; X-RAY DIFFRACTION 1.000Å

e7fr9B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7fraB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7frbB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7frcB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e7frdB1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH

Non-structural protein 3 ; X-RAY DIFFRACTION 1.000Å

e8giaC1[C:3-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Non-structural protein 3 ; ligands: ZJ3 ; X-RAY DIFFRACTION 1.86Å

e8c19A1[A:5-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Non-structural protein 3 ; ligands: EDO,T6B ; X-RAY DIFFRACTION 1.95Å

e8c1aA1[A:5-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: T6O ; X-RAY DIFFRACTION 1.90Å

e8c1aB1[B:2-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Replicase polyprotein 1ab ; ligands: EDO ; X-RAY DIFFRACTION 1.90Å

e8giaA1[A:3-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Non-structural protein 3 ; ligands: ZJ3 ; X-RAY DIFFRACTION 1.86Å

e8c19B1[B:1-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Non-structural protein 3 ; ligands: EDO ; X-RAY DIFFRACTION 1.95Å

e8azdA1[A:3-174] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: APR ; X-RAY DIFFRACTION 2.0Å

Previous

e1yd9A1[A:6-193] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Core histone macro-H2A.1 ; ligands: AU ; X-RAY DIFFRACTION 1.6Å

e1spvA1[A:3-174] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

putative polyprotein/phosphatase ; ligands: MES ; X-RAY DIFFRACTION 2.0Å

e4guaA3[A:1348-1515] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

NON-STRUCTURAL POLYPROTEIN ; ligands: MES,SO4 ; X-RAY DIFFRACTION 2.85Å

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