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
![](/ecod/img/p.gif)
Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365
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![](/ecod/img/m.gif)
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54123, 3-crossover-4
![](/ecod/img/m.gif)
Representatives:
e1twfH1[H:2-146]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASES I, II, AND III 14.5 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.3Å
e6bm2H1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.4Å
e6bm4H1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 2.95Å
e6bqfH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.35Å
e6exvH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC3 ; ELECTRON MICROSCOPY
e5w4uH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.6Å
e6cnbH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6h67H1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6gmhH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6gmlH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5lH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5oH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5pH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5rH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5tH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5uH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6a5vH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH
e6cncH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6cndH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6cnfH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6h68H1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e5w51H1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.4Å
e6gykH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6gylH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6gymH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6i84H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6ir9H1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6j4wH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6j4xH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6j4yH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6j4zH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6j50H1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6j51H1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6hkoH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6hlqH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6hlrH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6hlsH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6inqH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6o9lH1[H:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6drdH1[H:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6o6cF1[F:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6rqhH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6rqlH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6rqtH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6rrdH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6ruiH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6ruoH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6rweH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6tutH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6tpsH1[H:3-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6upxH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.300Å
e6upyH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.290Å
e6upzH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.020Å
e6uq0H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.560Å
e6uq1H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.540Å
e6uq2H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.090Å
e6uq3H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.470Å
e6tedH1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7a6hH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ae1H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ae3H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7aeaH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7astD1[D:1-62,D:84-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7b0yH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7d58H1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7d59H1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7aocH1[H:3-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7aodH1[H:3-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7aodT1[T:3-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7aoeH1[H:3-125] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7dn3H1[H:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e6xreH1[H:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7du2H1[H:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7edxv1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7eg7v1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7eg8v1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7eg9v1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7egav1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7egbv1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7lbmH1[H:1-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nvrH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nvsH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nvtH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nvuH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nvyH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nvzH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nw0H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7o4iH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7kedH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.550Å
e7egcv1[v:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7b7uH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7enaPH1[PH:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7keeH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.410Å
e7kefH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.890Å
e7nkyH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7o4jH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7o72H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7o73H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7o75H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7encPH1[PH:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7f4gH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7okxH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7nkxH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7okyH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ol0H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7eu0H1[H:5-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases II, IV and V subunit 8B ; ELECTRON MICROSCOPY
e7eu1H1[H:5-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases II, IV and V subunit 8B ; ELECTRON MICROSCOPY
e7fjiH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7fjjH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ob9H1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7obaH1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7obbH1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7oo3H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7oobH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7oopH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7opcH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7opdH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7oznH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7oznT1[T:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ozoH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ozoT1[T:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ozpH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ozpT1[T:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7pksH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7rimH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 2.9Å
e7ml0H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ml1H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ml2H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ml4H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ripH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.270Å
e7riqH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 2.960Å
e7riwH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.17Å
e7rixH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.3Å
e7riyH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; X-RAY DIFFRACTION 3.630Å
e7vbaH1[H:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7vbbH1[H:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7meih1[h:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7meiH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7mk9H1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7mkah1[h:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7vbcH1[H:3-148] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8a43H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xn7H1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xseH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xsxH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xszH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xtdH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z1lH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z1mH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z1nH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z1oH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xt7H1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7xtiH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8ceoH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7zs9H1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7zsaH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7zsbH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ui9H1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7uifH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7uioAH1[AH:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7uioBH1[BH:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8gxqPH1[PH:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8gxsPH1[PH:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7uncH1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB8 ; ELECTRON MICROSCOPY
e7undH1[H:2-150] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB8 ; ELECTRON MICROSCOPY
e7zwdH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7zx7H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7zx8H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8h0vH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8h0wH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8cenH1[H:2-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8bwsH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z0hH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z2zH1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z30H1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7z31H1[H:1-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8hilH1[H:4-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8himH1[H:5-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8bvwH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8byqH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8bz1H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8iueH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8iuhH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e7ycx61[6:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerases I, II, and III subunit RPABC3 ; ELECTRON MICROSCOPY
e8ityH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8p4eH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8p4aH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8a40H1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8b3dH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH
; ELECTRON MICROSCOPY
e8oeuH1[H:2-149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e7wbvH1[H:3-145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8hyjH1[H:5-146] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
Previous![](/ecod/img/p.gif)
Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.
beta meanderssingle beta-sheet with mainly meander topology
beta sandwichestwo beta-sheets stacked together to form a sandwich
beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain
beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander
a+b two layersone alpha-helix layer and one beta-sheet layer
a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers
a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers
a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers
a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain
a/b barrelsrepeating beta-alpha units form a barrel
a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers
mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions
few secondary structure elementsstabilized by cofactors or disulfides
extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes