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
looks like an elaborated ferredoxin
Representatives:
e1twfC1[C:3-41,C:173-268] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 45 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.3Å
e1bdfA1[A:2-52,A:179-232] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 2.5Å
e4s20A1[A:6-52,A:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.7Å
e4s20B2[B:6-52,B:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.7Å
e4s20F1[F:6-52,F:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.7Å
e4s20G1[G:6-52,G:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.7Å
e3iydA3[A:2-52,A:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e1bdfB1[B:2-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 2.5Å
e1bdfC1[C:2-52,C:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 2.5Å
e1bdfD1[D:2-52,D:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 2.5Å
e4igcA3[A:3-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e3dxjA1[A:1-49,A:173-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA; CHAIN A, B, K, L ; ligands: PO4 ; X-RAY DIFFRACTION 3.0Å
e3dxjK1[K:1-49,K:173-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA; CHAIN A, B, K, L ; X-RAY DIFFRACTION 3.0Å
e1hqmB1[B:3-49,B:172-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.2Å
e1iw7A1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å
e1iw7B1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å
e1iw7K1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å
e1iw7L1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE ALPHA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å
e1smyA1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.7Å
e1smyB1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.7Å
e1smyK1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.7Å
e1smyL1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.7Å
e1zyrA1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e1zyrB1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e1zyrK1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e1zyrL1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2a68A1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a68B1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a68K1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a68L1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a69A1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a69B1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a69K1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a69L1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a6eA1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.8Å
e2a6eB1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.8Å
e2a6eK1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.8Å
e2a6eL1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.8Å
e2a6hA1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2a6hB1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2a6hK1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2a6hL1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2be5A1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2be5B1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2be5K1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2be5L1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2cw0A1[A:1-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.3Å
e2cw0B1[B:1-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.3Å
e2cw0K1[K:1-49,K:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.3Å
e2cw0L1[L:1-49,L:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.3Å
e1i6vB1[B:3-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ; X-RAY DIFFRACTION 3.3Å
e1l9uA1[A:6-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, ALPHA SUBUNIT ; X-RAY DIFFRACTION 4Å
e1l9uJ1[J:6-49,J:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, ALPHA SUBUNIT ; X-RAY DIFFRACTION 4Å
e1l9zA1[A:6-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, ALPHA SUBUNIT ; X-RAY DIFFRACTION 6.5Å
e3aohA1[A:7-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.1Å
e3aohB1[B:7-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.1Å
e3aohG1[G:7-49,G:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.1Å
e3aohL1[L:7-49,L:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.1Å
e3aoiA1[A:7-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.3Å
e3aoiB1[B:7-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.3Å
e3aoiF1[F:7-49,F:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.3Å
e3aoiL1[L:7-49,L:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.3Å
e4gzyA1[A:7-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.500Å
e1i6vA1[A:6-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ; X-RAY DIFFRACTION 3.3Å
e1ynjA1[A:6-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.2Å
e1ynjB1[B:6-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.2Å
e1ynnA1[A:6-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.3Å
e1ynnB1[B:6-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase alpha chain ; X-RAY DIFFRACTION 3.3Å
e2ghoA1[A:6-49,A:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.1Å
e2ghoB1[B:6-49,B:173-227] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.1Å
e3aohF1[F:8-49,F:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.1Å
e3aohK1[K:8-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.1Å
e1l9uB1[B:6-49,B:173-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, ALPHA SUBUNIT ; X-RAY DIFFRACTION 4Å
e1l9uK1[K:6-49,K:173-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, ALPHA SUBUNIT ; X-RAY DIFFRACTION 4Å
e1l9zB1[B:6-49,B:173-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, ALPHA SUBUNIT ; X-RAY DIFFRACTION 6.5Å
e4c2mR1[R:31-75,R:222-335] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASES I AND III SUBUNIT RPAC1 ; X-RAY DIFFRACTION 2.80Å
e4c3hC1[C:30-75,C:222-335] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASES I AND III SUBUNIT RPAC1 ; X-RAY DIFFRACTION 3.27Å
e4c3iC1[C:30-75,C:222-335] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASES I AND III SUBUNIT RPAC1 ; X-RAY DIFFRACTION 3.00Å
e4c3jC1[C:30-75,C:222-335] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASES I AND III SUBUNIT RPAC1 ; X-RAY DIFFRACTION 3.35Å
e4jk1G4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Escherichia coli RNA polymerase alpha subunit ; X-RAY DIFFRACTION 3.9Å
e4igcG4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e4jk2G4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ESCHERICHIA COLI RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 4.2Å
e4kn7G4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.69Å
e4kmuG4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.85Å
e4kn4G4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.96Å
e3dxjL3[L:1-49,L:173-243] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA; CHAIN A, B, K, L ; X-RAY DIFFRACTION 3.0Å
e4noiB4[B:9-52,B:170-231] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit alpha ; ligands: CL,IOD ; X-RAY DIFFRACTION 2.17Å
e4g7zA3[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.81Å
e4ljzH4[H:6-52,H:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5871Å
e4llgH4[H:6-52,H:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.7936Å
e4noiA4[A:4-52,A:170-230] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit alpha ; ligands: CL,IOD ; X-RAY DIFFRACTION 2.17Å
e4g7hK3[K:4-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; ligands: MG ; X-RAY DIFFRACTION 2.9Å
e4g7zK3[K:4-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.81Å
e4lk1H4[H:6-52,H:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8369Å
e4g7oK3[K:4-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; ligands: MG ; X-RAY DIFFRACTION 2.99Å
e4g7oA3[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.99Å
e4ljzB4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5871Å
e4lk0H4[H:6-52,H:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.900Å
e4llgB4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.7936Å
e4lk1B4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8369Å
e4lk0B4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.900Å
e4g7hA4[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.9Å
e4kn7B4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.69Å
e4jk1B4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Escherichia coli RNA polymerase alpha subunit ; X-RAY DIFFRACTION 3.9Å
e3lu0A4[A:1-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e4kn4B4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.96Å
e4kmuB4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.85Å
e4lk1A4[A:8-52,A:174-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8369Å
e4llgA4[A:8-52,A:174-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.7936Å
e4llgG4[G:8-52,G:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.7936Å
e4igcF4[F:6-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e4jk2F4[F:6-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ESCHERICHIA COLI RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 4.2Å
e4kmuF4[F:6-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.85Å
e4ljzA4[A:8-52,A:174-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5871Å
e4lk0A4[A:8-52,A:174-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.900Å
e4lk0G4[G:8-52,G:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.900Å
e4lk1G4[G:8-52,G:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8369Å
e4jk1F4[F:6-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Escherichia coli RNA polymerase alpha subunit ; X-RAY DIFFRACTION 3.9Å
e4jkrA4[A:6-52,A:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ligands: SR ; X-RAY DIFFRACTION 4.20Å
e4kmuA9[A:3-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.85Å
e4ljzG4[G:8-52,G:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5871Å
e3lu0B4[B:1-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e4jk1A9[A:3-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Escherichia coli RNA polymerase alpha subunit ; X-RAY DIFFRACTION 3.9Å
e4jk2A9[A:3-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ESCHERICHIA COLI RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 4.2Å
e4kn4A9[A:3-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.96Å
e4gzyB4[B:7-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.500Å
e4kn7A9[A:3-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.69Å
e4gzzB4[B:7-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.000Å
e3iydB4[B:1-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e4gzzA4[A:7-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.000Å
e4jkrB4[B:6-52,B:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.20Å
e4jkrH4[H:6-52,H:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.20Å
e4kn7F4[F:6-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.69Å
e4kn4F4[F:6-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.96Å
e4jkrG4[G:6-52,G:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.20Å
e4igcB4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e4jk2B4[B:6-52,B:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ESCHERICHIA COLI RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 4.2Å
e4oinB2[B:2-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; ligands: MG ; X-RAY DIFFRACTION 2.8Å
e4oioB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.1Å
e4oipB2[B:2-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; ligands: MG ; X-RAY DIFFRACTION 3.4Å
e4oirB2[B:2-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.1Å
e4oiqB1[B:8-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.62Å
e4mexA2[A:5-52,A:174-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.9Å
e4meyA2[A:5-52,A:174-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.90Å
e4mexG2[G:8-52,G:164-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.9Å
e4mexH2[H:6-52,H:164-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.9Å
e4meyG2[G:8-52,G:164-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.90Å
e4meyH2[H:6-52,H:164-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.90Å
e4mexB3[B:6-52,B:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.9Å
e4meyB2[B:6-52,B:167-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.90Å
e4q4zB2[B:2-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 2.85Å
e4g7hB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; ligands: MG ; X-RAY DIFFRACTION 2.9Å
e4g7oB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.99Å
e4g7zB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.81Å
e4q5sB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.0Å
e1hqmA2[A:6-49,A:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.2Å
e3aoiG1[G:7-49,G:173-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.3Å
e3aoiK1[K:7-49,K:173-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 4.3Å
e3dxjB1[B:1-49,B:173-243] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA; CHAIN A, B, K, L ; X-RAY DIFFRACTION 3.0Å
e3eqlA1[A:1-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.7Å
e3eqlB1[B:1-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.7Å
e3eqlK1[K:1-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.7Å
e3eqlL1[L:1-49,L:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.7Å
e4g7hL1[L:4-49,L:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.9Å
e4g7oL1[L:4-49,L:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.99Å
e4g7zL1[L:4-49,L:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.81Å
e2o5iA1[A:1-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.5Å
e2o5iB1[B:1-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.5Å
e2o5iK1[K:1-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.5Å
e2o5iL1[L:1-49,L:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 2.5Å
e2o5jA1[A:1-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2o5jB1[B:1-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2o5jK1[K:1-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2o5jL1[L:1-49,L:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2ppbA1[A:1-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2ppbB1[B:1-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2ppbK1[K:1-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2ppbL1[L:1-49,L:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ALPHA CHAIN ; X-RAY DIFFRACTION 3.0Å
e3wodA1[A:6-49,A:173-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.6Å
e3wodB1[B:4-49,B:173-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.6Å
e4mq9A1[A:6-49,A:173-231] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.35Å
e4mq9B1[B:7-49,B:173-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.35Å
e4oinA1[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 2.8Å
e4oioA1[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.1Å
e4oipA1[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.4Å
e4oiqA1[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.62Å
e4oirA1[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT ALPHA ; X-RAY DIFFRACTION 3.1Å
e4q5sA1[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.0Å
e4q4zA1[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 2.85Å
e4yfkB2[B:6-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5Å
e4yfkG1[G:7-52,G:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5Å
e4yfkH1[H:6-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.5Å
e4yfnA2[A:1-52,A:179-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8Å
e4yfnB3[B:6-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8Å
e4yfnG2[G:7-52,G:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8Å
e4yfnH2[H:6-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.8Å
e4yfxA1[A:7-52,A:179-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.80Å
e4yfxG2[G:7-52,G:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.80Å
e4yfxH1[H:6-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.80Å
e4wqsA1[A:1-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.300Å
e4wqsB1[B:1-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.300Å
e4wqsK2[K:1-49,K:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.300Å
Nextcontains a HTH motif
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