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
![](/ecod/img/m.gif)
![](/ecod/img/p.gif)
![](/ecod/img/p.gif)
![](/ecod/img/p.gif)
Representatives:
e1dzfA1[A:144-215]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 1 ; X-RAY DIFFRACTION 1.9Å
e5xonE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e5oikE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e5oqjE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e5oqmE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e5ot2E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.2Å
e5vvrE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e5vvsE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6eu0E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6eu1E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6eu2E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6eu3E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6f40E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6f41E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6f42E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6f44E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6bloE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.4Å
e6blpE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.2Å
e6bm2E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.4Å
e6bm4E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 2.95Å
e6bqfE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.35Å
e6exvE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC1 ; ELECTRON MICROSCOPY
e6a5lE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e5w4uE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.6Å
e6cnbE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6h68E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6gmhE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e6gmlE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e6a5oE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6a5pE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6a5rE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6a5tE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6a5uE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6a5vE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH
e6h67E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6cncE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6cndE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6cnfE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e5w51E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.4Å
e6gykE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6gylE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6gymE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6i84E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6ir9E2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6j4wE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6j4xE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6j4yE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6j4zE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6j50E2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6j51E1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6inqE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III ; ELECTRON MICROSCOPY
e6hkoE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6hlqE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6hlrE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6hlsE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6o9lE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB5 ; ELECTRON MICROSCOPY
e6drdE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6o6cD2[D:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6rqhE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6rqlE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6rqtE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6rrdE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6ruiE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6ruoE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6rweE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6tutE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6tpsE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6upzE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.020Å
e6uq2E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.090Å
e6kf3H1[H:6-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit H ; ELECTRON MICROSCOPY
e6kf4H1[H:6-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit H ; ELECTRON MICROSCOPY
e6kf9H1[H:6-81] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit H ; ELECTRON MICROSCOPY
e6upxE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.300Å
e6upyE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.290Å
e6uq0E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.560Å
e6uq1E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.540Å
e6uq3E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.470Å
e6tedE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7a6hE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ae1E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ae3E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7aeaE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7astF2[F:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7d58E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7d59E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7aocE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7aodE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7aodQ1[Q:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7aoeE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7b0yE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7dn3E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7lbmE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB5 ; ELECTRON MICROSCOPY
e7du2E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e6xreE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB5 ; ELECTRON MICROSCOPY
e7edxs1[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7eg7s1[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7eg8s2[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7eg9s1[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7egas1[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7egbs1[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nvrE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nvsE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nvtE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nvuE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nvyE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nvzE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nw0E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7o4iE1[E:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7keeE2[E:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.410Å
e7egcs2[s:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7b7uE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7enaPE2[PE:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7kefE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.890Å
e7nkyE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7o4jE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7o72E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7o73E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7o75E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7kedE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.550Å
e7encPE1[PE:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7f4gE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7okxE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7nkxE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ok0H1[H:7-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit H ; ELECTRON MICROSCOPY
e7okyE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7ol0E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7oq4H1[H:9-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit H ; ELECTRON MICROSCOPY
e7oqyH1[H:8-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit H ; ELECTRON MICROSCOPY
e7eu0E2[E:134-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases II and IV subunit 5A ; ELECTRON MICROSCOPY
e7eu1E2[E:134-205] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases II and IV subunit 5A ; ELECTRON MICROSCOPY
e7fjiE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7fjjE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ob9E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7obaE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7obbE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7oo3E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7oobE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7oopE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7opcE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7opdE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7oznE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7oznQ2[Q:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7ozoE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7ozoQ2[Q:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7ozpE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7ozpQ2[Q:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7pksE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7rimE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 2.9Å
e7ml4E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ml0E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ml1E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ml2E1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ripE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.270Å
e7riqE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 2.960Å
e7riwE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.17Å
e7rixE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.3Å
e7riyE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; X-RAY DIFFRACTION 3.630Å
e7meie1[e:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7vbaE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7vbbE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7z1lE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7z1mE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7z1nE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7z1oE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7meiE1[E:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7mk9E2[E:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7mkae2[e:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7vbcE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8a43E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xn7E2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xseE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xsxE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xszE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xtdE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xt7E2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7xtiE1[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8ceoE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7ui9E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7uifE2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7uioAE1[AE:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7uioBE2[BE:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7zs9E2[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7zsaE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e7zsbE1[E:144-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8h0vE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8h0wE2[E:143-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8gxqPE1[PE:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e8gxsPE1[PE:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7uncE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7undE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7zwdE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7zx7E1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e7zx8E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e8cenE2[E:143-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8iueE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8iuhE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8bvwE2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e8byqE1[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e8bz1E2[E:139-210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit E ; ELECTRON MICROSCOPY
e8hilE2[E:159-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; ELECTRON MICROSCOPY
e8himE1[E:159-230] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC1 ; 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