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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


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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

X: C-terminal domain in beta subunit of DNA dependent RNA-polymerase
H: C-terminal domain in beta subunit of DNA dependent RNA-polymerase
T: C-terminal domain in beta subunit of DNA dependent RNA-polymerase
F: RNA_pol_Rpb2_6,RNA_pol_Rpb2_7

PF00562 PF04560

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

e5flmB4[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5e17C2[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.2Å

e5e18C7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.300Å

e5iplC8[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.6Å

e5ipmC1[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.2Å

e5ipnC5[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.6Å

e5fywB2[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5fz5B5[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iy6B7[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iy7B2[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iy8B5[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iy9B1[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iyaB7[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iybB7[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iycB1[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5iydB4[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5i2dC7[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.40Å

e5i2dN6[N:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.40Å

e5d4cC3[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ATP ; X-RAY DIFFRACTION 3.300Å

e5d4cM4[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ATP ; X-RAY DIFFRACTION 3.300Å

e5d4dC6[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: NAD ; X-RAY DIFFRACTION 3.000Å

e5d4dM3[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: A ; X-RAY DIFFRACTION 3.000Å

e5d4eC1[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: COD ; X-RAY DIFFRACTION 3.100Å

e5d4eM5[M:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: COD ; X-RAY DIFFRACTION 3.100Å

e5g5lB5[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5svaB6[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5tmcC4[C:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: MG ; X-RAY DIFFRACTION

e5tmfC1[C:999-1119] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: NE6 ; X-RAY DIFFRACTION

e5tbzC10[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 7Å

e5tbzH2[H:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 7Å

e5m5wB6[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5m5xB1[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5m5yB1[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5m64B1[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5uahC8[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.1Å

e5uahI4[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.1Å

e5uajI10[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.9Å

e5ualI1[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.80Å

e5uaqC2[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.6Å

e5uaqI8[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.6Å

e5ualC1[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.80Å

e5tw1C5[C:1027-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.76Å

e5uagC2[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.4Å

e5uagI1[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.4Å

e5u0sb5[b:1087-1210] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit Rpb2 ; ELECTRON MICROSCOPY

e5u5qB4[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.80Å

e5up6I2[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH

e5upcI4[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH

e5upaI9[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH

e5n5yB7[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5n5zB6[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5n60B6[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5n61B5[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5uh5C2[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.750Å

e5uh6C1[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.800Å

e5uh8C1[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.200Å

e5uh9C2[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.400Å

e5uhaC5[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.900Å

e5uhbC6[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.250Å

e5uhcC5[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.800Å

e5uhdC6[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å

e5uheC4[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.050Å

e5uhfC5[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.350Å

e5uhgC2[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å

e5my1X3[X:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5vi8C1[C:1027-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 2.76Å

e5ms0C5[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5x4zB7[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; X-RAY DIFFRACTION 7.800Å

e5x4zN5[N:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; X-RAY DIFFRACTION 7.800Å

e5x50B3[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; X-RAY DIFFRACTION 4.290Å

e5x51B3[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; X-RAY DIFFRACTION 7.000Å

e5x51N3[N:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; X-RAY DIFFRACTION 7.000Å

e5vo8C4[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.3Å

e5voiC4[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.8Å

e5vswC7[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.3Å

e5vswI3[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.3Å

e5w1sC10[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8Å

e5w1sI5[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8Å

e5w1tC5[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.5Å

e5w1tI2[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.5Å

e5nsrC5[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5nssC10[C:1240-1340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5tjgC4[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.6Å

e5x21C1[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.300Å

e5x22C7[C:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.3330Å

e5x22M5[M:992-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.3330Å

e5oa1B4[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5w5yB6[B:1041-1196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5w64B2[B:1041-1196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5w66B6[B:1041-1196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e5vi5C7[C:1027-1142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.196Å

e5w65B6[B:1041-1196] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e6alfI8[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6algI8[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6alhI6[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5xogB7[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; X-RAY DIFFRACTION 3.000Å

e5xonB2[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e5oikB2[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e5nwtC9[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.76Å

e6awb035[03:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6awc0310[03:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6awd034[03:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5oqjB5[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5oqmB5[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5ot2B5[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.2Å

e5vt0I7[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6b6hC3[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5vvrB2[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5vvsB4[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e5xj0C3[C:992-1114] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.000Å

e6eu1B5[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6byuC4[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ECJ ; X-RAY DIFFRACTION 3.6Å

e6eu0B6[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6eu2B2[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6eu3B3[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6f40B7[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6f41B6[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6f42B1[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6f44B6[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6byuI7[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ECJ ; X-RAY DIFFRACTION 3.6Å

e6c9yC6[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6ca0C1[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6fbvC2[C:1036-1145] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: FI8 ; ELECTRON MICROSCOPY

e6bloB1[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.4Å

e6flpC1[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6blpB3[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.2Å

e6bm2B1[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.4Å

e6bm4B3[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 2.95Å

e6bqfB1[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.35Å

e6flqC6[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6exvB1[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6asxI7[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6bzoC2[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: FI8 ; ELECTRON MICROSCOPY

e6bjsI2[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6c04C3[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6c05C2[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6c06C7[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: FI8 ; ELECTRON MICROSCOPY

e6asgC1[C:1000-1116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.800Å

e6cuuC5[C:999-1118] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.794Å

e5w4uB4[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.6Å

e6h67B4[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e6cuxC9[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.903Å

e6cceC6[C:1027-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: GLU,SO4 ; X-RAY DIFFRACTION 3.05Å

e6gfwC5[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6a5lB7[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6gmhB6[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6gmlB5[B:1054-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6cnbB5[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6c6sI7[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5w51B4[B:1098-1220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; X-RAY DIFFRACTION 3.4Å

e6h68B1[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e6cuxI4[I:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.903Å

e6c6tI1[I:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6cncB4[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6cndB3[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6cnfB5[B:1030-1149] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6c6uI10[I:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6ccvC7[C:1027-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: EDO,GLU,SO4 ; X-RAY DIFFRACTION 3.05Å

e6gh5C10[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6gh6C9[C:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6a5oB3[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6a5pB6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6a5rB1[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6a5tB2[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6a5uB6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6a5vB6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: ZN

e6edtC7[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6ee8C4[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6eecC3[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: C0L ; ELECTRON MICROSCOPY

e6m7jC5[C:1036-1140] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: C0L ; ELECTRON MICROSCOPY

e6gykB6[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6eydC3[C:1027-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6gylB7[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6gymB1[B:1098-1223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6i84B5[B:1098-1224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB2 ; ligands: ZN ; ELECTRON MICROSCOPY

e6f6wC2[C:1027-1137] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6n61C3[C:1240-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.25Å

e6n60C8[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.68Å

e6n62C9[C:1238-1342] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8Å

e6dcfC3[C:1027-1139] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: GLU,SO4 ; X-RAY DIFFRACTION 3.450Å

e6fedC1[C:1027-1137] Image Pymol Jmol Links: PDB, SCOP, CATH

e6dv9C5[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.800Å

e6govX1[X:1240-1341] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6ir9B4[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6j4wB5[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6j4xB2[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6j4yB2[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6j4zB6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6j50B4[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6j51B6[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

e6dvbC7[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.800Å

e6dvcC7[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.080Å

e6dvdC2[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.900Å

e6dveC5[C:1036-1153] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.800Å

e5zx3C2[C:1036-1163] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.750Å

e5zx2C4[C:1036-1164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.800Å

e6hlqB3[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e6hlrB1[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e6hlsB7[B:1041-1203] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ligands: ZN ; ELECTRON MICROSCOPY

e6inqB5[B:1098-1222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: ZN ; ELECTRON MICROSCOPY

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e4c2mB7[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

e4kmuC8[C:1240-1342] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.85Å

e4s20C6[C:1238-1342] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.7Å

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