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
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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
e7khbB2[B:6-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ldiA2[A:6-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vjsA1[A:1-52,A:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.0Å
e6vjsF2[F:1-52,F:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.0Å
e6vjsG1[G:6-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.0Å
e6ztjCA1[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztlCA1[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztmCA2[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztnCA1[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztoCA1[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztpCA2[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6zu1CA2[CA:6-52,CA:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6m6aA1[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6m6bA1[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6m6cA1[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6m6aB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6m6bB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6m6cB1[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7c17A1[A:6-52,A:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7khcB2[B:6-52,B:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vjsB1[B:6-52,B:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 4.0Å
e7adbV1[V:5-52,V:174-239] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7khbA2[A:7-52,A:174-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7khiB1[B:6-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6z9pV1[V:5-52,V:174-239] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6z9qU2[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6z9rU2[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6z9sU1[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6z9tU2[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvvB2[B:2-47,B:170-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.200Å
e6z11B2[B:1-47,B:170-235] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6zcaU1[U:6-49,U:172-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6zfbU2[U:6-49,U:172-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6zfbu1[u:6-49,u:172-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7khiA1[A:7-52,A:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvxB2[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvyB2[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvzB1[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vw0B1[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvsA1[A:1-47,A:170-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.100Å
e6vvsB1[B:1-47,B:170-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.100Å
e6vvtA2[A:1-47,A:170-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 2.900Å
e6vvtB2[B:2-47,B:170-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 2.900Å
e6vvvA1[A:1-47,A:170-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.200Å
e6yxuA1[A:1-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6yxuB1[B:1-47,B:170-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6yysA2[A:1-47,A:170-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6yysB1[B:1-47,B:170-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6z11A2[A:1-47,A:170-224] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztjCB2[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztlCB1[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztmCB1[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztnCB1[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztoCB1[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ztpCB1[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6zu1CB2[CB:4-52,CB:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvxA2[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvyA1[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vvzA1[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6vw0A1[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7c17B1[B:6-52,B:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6ldiB1[B:6-52,B:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7adcV1[V:5-52,V:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7addV3[V:5-52,V:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7adeV3[V:5-52,V:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7ckqA1[A:5-49,A:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7ckqB1[B:6-49,B:172-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wvjA1[A:5-49,A:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wvjB2[B:5-49,B:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wvkA1[A:5-49,A:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wvkB2[B:5-49,B:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7d7dB1[B:5-52,B:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x26G2[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x2fG1[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x2nG2[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x43G1[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x4wG1[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x4yG1[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x50G2[G:5-52,G:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xasK2[K:7-52,K:167-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xavK2[K:7-52,K:167-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7adcU1[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7addU2[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7adeU1[U:4-52,U:174-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7d7cB1[B:5-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7kheB1[B:6-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wmpA1[A:6-53,A:172-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha 1 ; ELECTRON MICROSCOPY
e6wmrA2[A:8-53,A:172-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha 1 ; ELECTRON MICROSCOPY
e6wmtA1[A:8-53,A:172-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha 1 ; ELECTRON MICROSCOPY
e6wmuB1[B:6-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7kheA1[A:7-52,A:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wmuA2[A:7-52,A:174-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7d7cA1[A:8-52,A:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7d7dA2[A:8-52,A:174-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7a6hC2[C:2-84,C:228-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7ae1C1[C:2-84,C:228-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7ae3C1[C:2-84,C:228-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7aeaC2[C:2-84,C:228-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7aocC2[C:29-81,C:229-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7aodC2[C:29-81,C:229-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7aodO2[O:29-81,O:229-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7aoeC2[C:29-81,C:229-345] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7astH1[H:10-84,H:228-338] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7d58C2[C:2-84,C:228-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7d59C1[C:2-84,C:228-346] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e6x26H1[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x2fH2[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x2nH1[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x43H2[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x4wH2[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x4yH1[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6x50H1[H:5-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xasH2[H:4-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xavH2[H:4-52,H:179-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6wmpB2[B:3-50,B:171-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha 2 ; ELECTRON MICROSCOPY
e6wmrB2[B:3-50,B:171-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha 2 ; ELECTRON MICROSCOPY
e6wmtB1[B:3-50,B:171-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha 2 ; ELECTRON MICROSCOPY
e6xl5A2[A:5-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xh7A1[A:6-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7dn3C2[C:7-84,C:228-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7kifB2[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xh8A1[A:6-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xl5B2[B:4-52,B:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xl9A1[A:6-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xljA1[A:5-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xljB1[B:4-52,B:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xllA1[A:5-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xllB1[B:4-52,B:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xlmA1[A:5-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xlmB2[B:4-52,B:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xlnA1[A:5-52,A:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xlnB1[B:4-52,B:174-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xh7B2[B:6-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xh8B2[B:6-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e6xl9B1[B:5-52,B:174-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7du2C1[C:7-84,C:228-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7kimB1[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7kinB1[B:1-47,B:170-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7kifA2[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7kimA2[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7kinA2[A:2-47,A:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mknA2[A:7-52,A:174-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkpA2[A:7-52,A:174-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mknB2[B:6-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkoB2[B:6-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkpB2[B:6-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkqB2[B:6-52,B:174-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkoA1[A:7-52,A:174-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkqA2[A:7-52,A:174-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7eh0A2[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 2.800Å
e7m8eA2[A:6-52,A:179-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7eh0B2[B:6-49,B:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ligands: MG ; X-RAY DIFFRACTION 2.800Å
e7eh1A2[A:4-49,A:173-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 2.898Å
e7eh1B2[B:2-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ligands: BU1,MG ; X-RAY DIFFRACTION 2.898Å
e7eh2A2[A:4-49,A:173-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.340Å
e7eh2B2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.340Å
e7eh2K2[K:4-49,K:173-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.340Å
e7eh2L2[L:4-49,L:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.340Å
e7m8eB2[B:6-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkdG2[G:5-52,G:179-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkdH2[H:3-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkeG2[G:5-52,G:179-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkeH2[H:3-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkiG2[G:5-52,G:179-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkiH2[H:3-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkjG2[G:5-52,G:179-237] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mkjH2[H:4-52,H:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7befA3[A:6-52,A:179-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7befB2[B:6-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7begA3[A:6-52,A:179-235] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7begB3[B:6-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7dy6A2[A:7-52,A:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7dy6B2[B:6-52,B:179-233] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7f75A2[A:5-49,A:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7f75B2[B:6-49,B:172-225] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7p5xAA2[AA:2-47,AA:170-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7p5xAB2[AB:1-47,AB:170-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7l7bB2[B:2-49,B:172-238] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7mlbA2[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.60Å
e7fjiC2[C:2-84,C:228-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7l7bA2[A:5-49,A:172-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7rdqA2[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7oq4D1[D:2-36,D:159-264] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit D ; ligands: F3S ; ELECTRON MICROSCOPY
e7rdqB2[B:7-49,B:173-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ligands: MG ; ELECTRON MICROSCOPY
e7fjjC1[C:2-84,C:228-344] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7py3B1[B:6-52,B:179-236] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7vbaC1[C:7-84,C:228-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7vbbC2[C:7-84,C:228-343] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I and III subunit RPAC1 ; ELECTRON MICROSCOPY
e7rwiB2[B:1-47,B:170-232] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.70Å
e7mliA2[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.6Å
e7mljA1[A:4-49,A:173-229] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; X-RAY DIFFRACTION 3.75Å
e7mlbB2[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 3.60Å
e7mliB2[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 3.6Å
e7mljB1[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 3.75Å
e7py3A2[A:6-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7py5B1[B:4-52,B:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7py6B1[B:4-52,B:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7py7B1[B:4-52,B:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7pyjA2[A:6-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
e7pykA2[A:6-52,A:179-234] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit alpha ; ELECTRON MICROSCOPY
Previous Nexta+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