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
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
Representatives:
e1smyC7[C:1000-1119] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.7Å
e8g00I1[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8g1sI5[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8g2wI8[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8g4wI7[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8g7eI4[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8g8zI4[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8b3fB2[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH
; ligands: ZN ; ELECTRON MICROSCOPY
e8oevB4[B:1131-1251] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8oewB4[B:1131-1251] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8of0B6[B:1131-1251] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8p4bB7[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8p4cB3[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8p4dB2[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8p4fB1[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e7uweI3[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e7uwhI10[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8h40A2[A:985-1100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY
e8hkcC3[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8he5B3[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8jh2B6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8jh3B5[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e8jh4B1[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e7wbwB5[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e7wbxB6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: ZN ; ELECTRON MICROSCOPY
e2nvxB5[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.6Å
e4wqsM3[M:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.300Å
e4wqtH2[H:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.400Å
e4wqtC2[C:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.400Å
e4wqtM1[M:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.400Å
e4s20H6[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.7Å
e1ynjC7[C:999-1114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase beta chain ; X-RAY DIFFRACTION 3.2Å
e2o5iC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.5Å
e2a6eM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.8Å
e2a69M7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG,RPT ; X-RAY DIFFRACTION 2.5Å
e1smyM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.7Å
e2o5iM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.5Å
e2ppbM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å
e1iw7C7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE BETA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å
e2a69C7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2a6hM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2a6hC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2a68C7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e2o5jC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2o5jM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2cw0C7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase beta chain ; X-RAY DIFFRACTION 3.3Å
e1iw7M7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE BETA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å
e1ynnC7[C:999-1114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase beta chain ; X-RAY DIFFRACTION 3.3Å
e3dxjM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BACTRIAL RNA POLYMERASE BETA SUBUNIT; CHAIN C, M ; ligands: NE6 ; X-RAY DIFFRACTION 3.0Å
e3dxjC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
BACTRIAL RNA POLYMERASE BETA SUBUNIT; CHAIN C, M ; ligands: NE6,PO4 ; X-RAY DIFFRACTION 3.0Å
e1zyrM7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å
e1zyrC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2ppbC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å
e2cw0M7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase beta chain ; X-RAY DIFFRACTION 3.3Å
e2be5C7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å
e2ghoC7[C:999-1114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.1Å
e2a68M7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å
e1i6vC7[C:999-1115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE ; X-RAY DIFFRACTION 3.3Å
e2a6eC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.8Å
e2be5M7[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å
e3aohC7[C:999-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.1Å
e4g7hC7[C:1006-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.9Å
e3eqlC7[C:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; ligands: MXP ; X-RAY DIFFRACTION 2.7Å
e3eqlM7[M:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; ligands: MXP ; X-RAY DIFFRACTION 2.7Å
e4g7oM7[M:999-1111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.99Å
e4g7hM7[M:999-1111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.9Å
e4g7zM7[M:999-1111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.81Å
e4g7zC7[C:999-1111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.81Å
e4g7oC7[C:999-1111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.99Å
e4gzyC25[C:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.500Å
e4gzzC25[C:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e3aoiC18[C:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.3Å
e3aoiH18[H:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.3Å
e3aoiM18[M:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.3Å
e3iydC11[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY
e2nvzB21[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II 140 kDa polypeptide ; ligands: ZN ; X-RAY DIFFRACTION 4.2Å
e2e2hB21[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.95Å
e3aohH13[H:1000-1111] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.1Å
e3aohM13[M:1000-1112] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.1Å
e3wodC13[C:1000-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.6Å
e4ljzC26[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.5871Å
e4ljzI26[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.5871Å
e4lk1C26[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8369Å
e4lk1I26[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8369Å
e4lk0C26[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.900Å
e4lk0I26[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.900Å
e4llgC26[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.7936Å
e4llgI26[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.7936Å
e4kmuH17[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.85Å
e4kn4C17[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.96Å
e4kn4H17[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.96Å
e4kn7C17[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.69Å
e4kn7H17[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.69Å
e4jkrI17[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.20Å
e4mq9C4[C:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.35Å
e4oinC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.8Å
e4oioC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; ligands: ATP ; X-RAY DIFFRACTION 3.1Å
e4oipC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.4Å
e4oiqC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.62Å
e4oirC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.1Å
e4mexC2[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.9Å
e4mexI2[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.9Å
e4meyC2[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.90Å
e4meyI2[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.90Å
e4q5sC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.0Å
e4q4zC6[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; ligands: ATP ; X-RAY DIFFRACTION 2.85Å
e4igcH2[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e4jk1H2[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Escherichia coli RNA polymerase beta subunit ; X-RAY DIFFRACTION 3.9Å
e4jk2H2[H:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ESCHERICHIA COLI RNA POLYMERASE BETA SUBUNIT ; X-RAY DIFFRACTION 4.2Å
e1i3qB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140KD POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.1Å
e3i4mB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.7Å
e3i4nB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.9Å
e1i50B1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140KD POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 2.8Å
e1k83B1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140KD POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 2.8Å
e2nvyB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.4Å
e1twaB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.2Å
e1twcB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.0Å
e1twgB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.3Å
e1twhB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.4Å
e4igcC4[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB
e4jk1C2[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Escherichia coli RNA polymerase beta subunit ; X-RAY DIFFRACTION 3.9Å
e4jk2C2[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
ESCHERICHIA COLI RNA POLYMERASE BETA SUBUNIT ; X-RAY DIFFRACTION 4.2Å
e4jkrC3[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.20Å
e3lu0C4[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY
e2e2jB1[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II 140 kDa polypeptide ; ligands: ZN ; X-RAY DIFFRACTION 3.5Å
e3fkiB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.88Å
e3gtgB1[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.78Å
e3gtjB1[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.40Å
e3gtkB1[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.80Å
e3hozB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.65Å
e4wqsC5[C:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.300Å
e4yfkC4[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; ligands: 4C6 ; X-RAY DIFFRACTION 3.5Å
e1hqmC6[C:1000-1115] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.2Å
e1l9uC5[C:1000-1116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, BETA SUBUNIT ; X-RAY DIFFRACTION 4Å
e1l9uL4[L:1000-1116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, BETA SUBUNIT ; X-RAY DIFFRACTION 4Å
e1l9zC7[C:1000-1116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
RNA POLYMERASE, BETA SUBUNIT ; X-RAY DIFFRACTION 6.5Å
e2nvqB6[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II 140 kDa polypeptide ; ligands: ZN ; X-RAY DIFFRACTION 2.90Å
e2nvtB6[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.36Å
e3rzdB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.300Å
e3rzoB3[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.000Å
e3s14B3[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 2.850Å
e3s15B6[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.300Å
e3s16B4[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.24Å
e3s17B4[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.200Å
e3s1mB5[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.130Å
e3s1nB6[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.100Å
e3s1qB3[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.300Å
e3s1rB3[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.200Å
e3s2dB2[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.200Å
e3s2hB7[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.300Å
e2yu9B1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II 140 kDa polypeptide ; ligands: ZN ; X-RAY DIFFRACTION 3.400Å
e4yg2C1[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.6Å
e4ylnC2[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å
e4ylnI4[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å
e4ylnO4[O:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å
e4yloC3[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 6.0Å
e4yloI7[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 6.0Å
e4yloO10[O:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 6.0Å
e4ylpC3[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å
e4ylpI10[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å
e4ylpO10[O:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å
e4y52B3[B:1098-1221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.500Å
e4y7nB1[B:1098-1221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2,DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.300Å
e4xsxC3[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.700Å
e4xsyC8[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4xsyI6[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4xszC10[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.680Å
e4xszI8[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.680Å
e4zh2C7[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.200Å
e4zh2I7[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.200Å
e4zh3C4[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.100Å
e4zh3I7[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.100Å
e4zh4C3[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4zh4I1[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e5c3eB7[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.400Å
e5c44B2[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; X-RAY DIFFRACTION 3.852Å
e5c4aB7[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 4.2Å
e5c4jB2[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 4.0Å
e5c4xB7[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 4.0Å
e5byhC9[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH
e4ym7AB7[AB:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 5.5Å
e4ym7BB5[BB:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 5.5Å
e4ym7CB4[CB:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 5.5Å
e4ym7DB5[DB:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 5.5Å
e4ym7EB5[EB:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 5.5Å
e4ym7FB7[FB:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 5.5Å
e4xlnC6[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4xlnI1[I:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4xlpC2[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4xlpI6[I:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å
e4xlqC1[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.500Å
e4xlqI3[I:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.500Å
e4xlrC6[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.150Å
e4xlrI3[I:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.150Å
e4xlsC4[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.01Å
e4xlsI5[I:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.01Å
e5fmfB1[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY
e5fj8B1[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY
e5fj9B4[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY
e5fjaB2[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY
e5ezkC5[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 8.500Å
Nexte4c2mB7[B:1041-1203] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; ligands: ZN ; X-RAY DIFFRACTION 2.80Å
e4by7B7[B:1098-1224] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.15Å
e2e2iB13[B:1098-1224] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; ligands: ZN ; X-RAY DIFFRACTION 3.41Å
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