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/m.gif)
Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365
![](/ecod/img/m.gif)
![](/ecod/img/m.gif)
152436, 2-crossover-3, 5-crossover-6
![](/ecod/img/m.gif)
Representatives:
e1twfA1[A:337-374,A:436-519]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE II LARGEST SUBUNIT ; ligands: MN,UTP ; X-RAY DIFFRACTION 2.3Å
e7nvzA8[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7nw0A1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e6xreA7[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e6cceD2[D:409-452,D:493-573] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: GLU,MG,SO4 ; X-RAY DIFFRACTION 3.05Å
e6ccvD7[D:409-452,D:493-573] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: EDO,GLU,SO4 ; X-RAY DIFFRACTION 3.05Å
e6eydD3[D:409-452,D:493-573] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7kedA4[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; X-RAY DIFFRACTION 3.550Å
e7mknD6[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: 2TM,MG ; ELECTRON MICROSCOPY
e7mkpD7[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7o4iA8[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7egco7[o:351-388,o:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7b7uA3[A:361-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ELECTRON MICROSCOPY
e7nkyA4[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7keeA9[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG,WCG ; X-RAY DIFFRACTION 3.410Å
e7kefA2[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG,WC4 ; X-RAY DIFFRACTION 3.890Å
e7mkoD3[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: 2TM,MG ; ELECTRON MICROSCOPY
e7mkqD7[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7o4jA3[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7o72A8[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7o73A1[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7o75A2[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7f4gA2[A:361-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB1 ; ELECTRON MICROSCOPY
e6zcaY3[Y:328-365,Y:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e6zfbY3[Y:328-365,Y:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e6zfby3[y:328-365,y:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7ckqD3[D:328-365,D:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e6wvjD3[D:328-365,D:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e6wvkD3[D:328-365,D:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7f75D3[D:328-365,D:404-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7oznA2[A:360-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB1 ; ELECTRON MICROSCOPY
e7oznM2[M:360-388,M:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RPB1 ; ELECTRON MICROSCOPY
e7ozoA2[A:360-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ELECTRON MICROSCOPY
e7ozoM2[M:360-388,M:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ELECTRON MICROSCOPY
e7ozpA2[A:360-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ELECTRON MICROSCOPY
e7ozpM2[M:360-388,M:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ELECTRON MICROSCOPY
e7rimA2[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; X-RAY DIFFRACTION 2.9Å
e7dy6D9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7befD9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7l7bD5[D:323-366,D:407-487] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: FI8,MG ; ELECTRON MICROSCOPY
e7oobA9[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7ml0A1[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7mlbD5[D:610-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; X-RAY DIFFRACTION 3.60Å
e7ml1A1[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7ml2A8[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7ml4A8[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7ripA6[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG,PPV ; X-RAY DIFFRACTION 3.270Å
e7riqA8[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; X-RAY DIFFRACTION 2.960Å
e7riwA4[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; X-RAY DIFFRACTION 3.17Å
e7rixA1[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; X-RAY DIFFRACTION 3.3Å
e7riyA7[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; X-RAY DIFFRACTION 3.630Å
e7oo3A6[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7oopA1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7opcA1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7opdA8[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7m8eD8[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7mkdJ6[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7mkeJ9[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7mkiJ9[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7mkjJ3[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7begD3[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7eh0D9[D:610-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: 2TM,MG ; X-RAY DIFFRACTION 2.800Å
e7eh1D7[D:610-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: 2TM,MG ; X-RAY DIFFRACTION 2.898Å
e7eh2D10[D:610-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; X-RAY DIFFRACTION 3.340Å
e7eh2N11[N:610-653,N:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; X-RAY DIFFRACTION 3.340Å
e7meia8[a:337-374,a:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7py3D1[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7f0rD6[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7szjD9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7szkD4[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7vf9D2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xl3D2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xl4D6[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xyaD9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xybD9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7meiA3[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7mk9A3[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7mkaa2[a:337-374,a:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7py0D6[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7py1D2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7py5D8[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7py6D8[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7py7D5[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7py8D9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7pyjD9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7pykD2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7q0jD7[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7q0kD6[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7vwyD7[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7vwzD3[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8e3fB5[B:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8e5kB7[B:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8e5oB8[B:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8e6xB3[B:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8e6zB6[B:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xueJ4[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xugJ1[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xuiJ7[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7mliD4[D:610-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; X-RAY DIFFRACTION 3.6Å
e7mljD5[D:610-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; X-RAY DIFFRACTION 3.75Å
e7z1lA6[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z1mA6[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z1nA6[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z1oA8[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7xn7A8[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7xseA9[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7xsxA7[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7xszA3[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7xtdA5[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7n4eD7[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7rdqD10[D:611-653,D:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7ubmD4[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7xt7A3[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7xtiA8[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7ubnD2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7ogrA1[A:293-462] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PHIKZ055,Non-virion DNA-dependent RNA polymerase subunit beta ; ELECTRON MICROSCOPY
e7ui9A6[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ELECTRON MICROSCOPY
e7uifA6[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ELECTRON MICROSCOPY
e7uioAA7[AA:337-374,AA:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ELECTRON MICROSCOPY
e7uioBA8[BA:337-374,BA:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ELECTRON MICROSCOPY
e7zs9A2[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7zsaA4[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7zsbA4[A:337-374,A:436-519] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1 ; ligands: MG ; ELECTRON MICROSCOPY
e7ypaD4[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7yp9D9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7ye1D8[D:336-379,D:420-500] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7ye2D2[D:336-379,D:420-500] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8abyD5[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8abzD4[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ac0D1[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ac1D2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ac2D9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8acpD8[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ad1D8[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8eg7J7[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8eg8J3[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8egbJ2[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8eh8J4[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8eh9J9[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ehaJ8[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ehfJ2[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8ehiJ4[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7qv9D3[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7qwpD5[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7qxiD5[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7w5wD4[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7w5xD2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7w5yD8[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e7ypbD2[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e7zwdA1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7zx7A5[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7zx8A6[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e8h0vA9[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e8h0wA5[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e8hsgJ8[J:610-653,J:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8hshJ3[J:610-653,J:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8hslJ5[J:610-653,J:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8hsrJ9[J:610-653,J:697-777] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8igrJ3[J:334-377,J:418-498] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8igsJ6[J:334-377,J:418-498] Image Pymol Jmol Links: PDB, SCOP, CATH
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8bvwA1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e8byqA2[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e8bz1A4[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit ; ligands: MG ; ELECTRON MICROSCOPY
e7ycx16[1:351-388,1:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB1,DNA-directed RNA polymerase II subunit RPB1, CTD1, CTD2, CTD3, CTD4 ; ligands: MG ; ELECTRON MICROSCOPY
e8f1iJ2[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8f1jJ3[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8f1kJ6[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8fixD9[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8fiyD4[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8fvrG9[G:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; ELECTRON MICROSCOPY
e8fvwG1[G:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ligands: G4P,MG ; ELECTRON MICROSCOPY
e8bwsA5[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z0hA4[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z2zA1[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z30A1[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e7z31A7[A:359-402,A:466-551] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase III subunit RPC1 ; ligands: MG ; ELECTRON MICROSCOPY
e8p4fA7[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
e8a40A1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
e8b3dA1[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH
; ligands: MG ; ELECTRON MICROSCOPY
e8oeuA8[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
e8i23D6[D:346-389,D:430-510] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
e8f3cJ2[J:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
e8jo2D5[D:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8pblG7[G:334-498] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta' ; ELECTRON MICROSCOPY
e8p4aA4[A:351-388,A:450-533] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
e7wbvA1[A:338-375,A:437-520] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: MG ; ELECTRON MICROSCOPY
Previouse2a69D4[D:611-653,D:697-777]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE BETA' CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2o5iD4[D:610-653,D:697-777]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE BETA' CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e3dxjN1[N:610-653,N:697-777]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
BACTRIAL RNA POLYMERASE BETA-PRIME SUBUNIT ; ligands: MG,NE6 ; X-RAY DIFFRACTION 3.0Å
e4c3hA2[A:464-505,A:581-665]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA190 ; X-RAY DIFFRACTION 3.27Å
e4bxxA2[A:337-374,A:436-519]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB1 ; ligands: MG ; X-RAY DIFFRACTION 3.28Å
e2pmzA2[A:307-347,A:411-494]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-directed RNA polymerase subunit A ; ligands: MG ; X-RAY DIFFRACTION 3.400Å
e4ljzD2[D:334-377,D:418-498]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-directed RNA polymerase subunit beta' ; ligands: MG ; X-RAY DIFFRACTION 3.5871Å
e3wodD6[D:622-653,D:697-777]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
DNA-directed RNA polymerase subunit beta' ; X-RAY DIFFRACTION 3.6Å
![](/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