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
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Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365
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54123, 3-crossover-4
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Representatives:
e3ayhB3[B:79-161,B:182-203]
* nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC8 ; X-RAY DIFFRACTION 2.19Å
e2ckzB2[B:79-158,B:190-213] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III 25 KD POLYPEPTIDE ; X-RAY DIFFRACTION 3.200Å
e2ckzD3[D:79-158,D:191-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III 25 KD POLYPEPTIDE ; X-RAY DIFFRACTION 3.200Å
e5fj8G2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC8 ; ELECTRON MICROSCOPY
e5fj9G1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC8 ; ELECTRON MICROSCOPY
e5fjaG1[G:79-158,G:190-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC8 ; ELECTRON MICROSCOPY
e6eu0G2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6f40G2[G:79-162,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6eu1G2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6eu2G2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6eu3G1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6f41G1[G:79-162,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6f42G2[G:79-162,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6f44G1[G:79-162,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6cnbG1[G:79-166,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6cncG2[G:79-166,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6cndG2[G:79-166,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6cnfG2[G:79-166,G:189-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6tutG1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7astJ1[J:79-161,J:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7a6hG1[G:79-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ligands: ZN ; ELECTRON MICROSCOPY
e7ae1G2[G:79-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7ae3G2[G:79-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7aeaG1[G:79-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7d58G2[G:79-204] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7d59G2[G:79-204] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7dn3G2[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7du2G2[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7fjiG2[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7fjjG2[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1lG1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1mG1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1nG2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1oG1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8iueG1[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8iuhG2[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8bwsG2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z0hG2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z2zG1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z30G1[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z31G2[G:79-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8ityG1[G:79-162,G:184-201] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
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Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
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
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