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/m.gif)
![](/ecod/img/p.gif)
![](/ecod/img/m.gif)
Representatives:
e1go3E2[E:1-78]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT E ; X-RAY DIFFRACTION 1.750Å
e6gylG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e6gymG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e6i84G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e6rqtG2[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6rqhG2[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6rqlG2[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6rrdG2[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6ruiG2[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6ruoG1[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6rweG2[G:8-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6tutG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6tpsG2[G:14-126] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e6kf3E1[E:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase, subunit E ; ELECTRON MICROSCOPY
e6kf4E2[E:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase, subunit E ; ELECTRON MICROSCOPY
e6kf9E2[E:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase, subunit E ; ELECTRON MICROSCOPY
e6tedG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit G ; ELECTRON MICROSCOPY
e7astJ2[J:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7aocG1[G:3-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit rpa43 ; ELECTRON MICROSCOPY
e7aodG2[G:3-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit rpa43 ; ELECTRON MICROSCOPY
e7aodS1[S:3-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit rpa43 ; ELECTRON MICROSCOPY
e7aoeG2[G:3-82] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit rpa43 ; ELECTRON MICROSCOPY
e7a6hG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7ae1G1[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7ae3G1[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7aeaG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7d58G1[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7d59G1[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7b0yG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7dn3G1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e6xreG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7du2G1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7edxu1[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7eg7u1[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7eg8u1[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7eg9u1[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7egau2[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7egbu2[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7lbmG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nvrG1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nvsG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nvtG1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nvuG1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nvyG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nvzG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nw0G1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o4iG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7egcu1[u:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7enaPG2[PG:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nkyG1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o4jG1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o4kG1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o4lG1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o72G1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o73G1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7o75G2[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7encPG2[PG:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7f4gG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7okxG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7nkxG1[G:1-80] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7oqyE1[E:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit E ; ELECTRON MICROSCOPY
e7ok0E1[E:7-72] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit E ; ELECTRON MICROSCOPY
e7okyG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ol0G2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7oq4E1[E:5-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit E ; ELECTRON MICROSCOPY
e7fjiG1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7fjjG1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7ob9G1[G:28-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e7obaG1[G:30-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e7obbG1[G:31-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA43 ; ELECTRON MICROSCOPY
e7oo3G2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7oobG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7oopG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7opcG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7opdG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7oznG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7oznS2[S:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ozoG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ozoS2[S:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ozpG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ozpS2[S:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7pksG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ml0G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ml1G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ml2G2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ml4G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7meig2[g:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7meiG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7mk9G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7mkag2[g:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7xn7G2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e7xseG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e7xsxG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e7xszG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e7xtdG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e7z1lG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1mG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1nG1[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z1oG2[G:1-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7xt7G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e7xtiG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e8ceoG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ui9G2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7uifG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7uioAG2[AG:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7uioBG2[BG:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7zs9G1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7zsaG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7zsbG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8gxqPG2[PG:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8gxsPG2[PG:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7uncG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7undG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7zwdG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7zx7G2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7zx8G2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8h0vG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e8h0wG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA polymerase II subunit ; ELECTRON MICROSCOPY
e8iueG2[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8iuhG1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8cenG2[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8bvwG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8byqG1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8bz1G1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e7ycxk2[k:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY
e8bwsG1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z0hG1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z2zG2[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z30G2[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e7z31G1[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC8 ; ELECTRON MICROSCOPY
e8ityG2[G:2-78] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8p4eG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8p4aG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8a40G1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8b3dG2[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH
; ELECTRON MICROSCOPY
e8oeuG1[G:1-77] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e7wbvG1[G:1-68] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
Previousa+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