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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: insertion domain in beta subunit of DNA dependent RNA-polymerase
H: insertion domain in beta subunit of DNA dependent RNA-polymerase
T: insertion domain in beta subunit of DNA dependent RNA-polymerase
F: RNA_pol_Rpb2_2

PF04561

Representatives:

e1twfB5[B:219-404] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.3Å

e1smyC5[C:143-331] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.7Å

e1ynjC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e2o5iC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.5Å

e2a6eM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.8Å

e2a69M5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å

e1smyM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.7Å

e2o5iM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.5Å

e2ppbM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e1iw7C5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE BETA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å

e2a69C5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å

e2a6hM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å

e2a6hC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å

e2a68C5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å

e2o5jC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e2o5jM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e2cw0C5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1iw7M5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE BETA SUBUNIT ; ligands: MG ; X-RAY DIFFRACTION 2.6Å

e1ynnC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e3dxjM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BACTRIAL RNA POLYMERASE BETA SUBUNIT; CHAIN C, M ; X-RAY DIFFRACTION 3.0Å

e3dxjC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

BACTRIAL RNA POLYMERASE BETA SUBUNIT; CHAIN C, M ; X-RAY DIFFRACTION 3.0Å

e1zyrM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e1zyrC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e2ppbC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 3.0Å

e2cw0M5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e2be5C5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å

e2ghoC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e2a68M5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; ligands: MG ; X-RAY DIFFRACTION 2.5Å

e1i6vC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE ; X-RAY DIFFRACTION 3.3Å

e2a6eC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.8Å

e2be5M5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE BETA CHAIN ; X-RAY DIFFRACTION 2.4Å

e3aohC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.1Å

e3eqlC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.7Å

e3eqlM5[M:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.7Å

e4gzyC22[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.500Å

e4gzzC22[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e3aoiC15[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.3Å

e3aoiH15[H:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.3Å

e3aoiM15[M:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.3Å

e3iydC14[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e3aohH10[H:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.1Å

e3aohM10[M:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 4.1Å

e3wodC10[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4ljzC21[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.5871Å

e4ljzI21[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.5871Å

e4lk1C21[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8369Å

e4lk1I21[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.8369Å

e4lk0C21[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4lk0I21[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4llgC21[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.7936Å

e4llgI21[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.7936Å

e4kmuH12[H:153-226,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4kn4C12[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.96Å

e4kn4H12[H:153-226,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.96Å

e4kn7C12[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.69Å

e4kn7H12[H:153-226,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.69Å

e4jkrI12[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.20Å

e4mq9C7[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.35Å

e4oinC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 2.8Å

e4oioC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.1Å

e4oipC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.4Å

e4oiqC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.62Å

e4oirC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.1Å

e4mexC10[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.9Å

e4mexI10[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA ; X-RAY DIFFRACTION 3.9Å

e4meyC10[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.90Å

e4meyI10[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.90Å

e4q5sC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.0Å

e4q4zC5[C:135-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.85Å

e4igcH10[H:153-226,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4jk1H10[H:153-226,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Escherichia coli RNA polymerase beta subunit ; X-RAY DIFFRACTION 3.9Å

e4jk2H10[H:153-226,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESCHERICHIA COLI RNA POLYMERASE BETA SUBUNIT ; X-RAY DIFFRACTION 4.2Å

e4igcC10[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4jk1C10[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Escherichia coli RNA polymerase beta subunit ; X-RAY DIFFRACTION 3.9Å

e4jk2C10[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ESCHERICHIA COLI RNA POLYMERASE BETA SUBUNIT ; X-RAY DIFFRACTION 4.2Å

e4jkrC10[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.20Å

e3lu0C8[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e4wqsC4[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.300Å

e4yfkC9[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.5Å

e1hqmC7[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e1l9uC1[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE, BETA SUBUNIT ; X-RAY DIFFRACTION 4Å

e1l9uL2[L:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE, BETA SUBUNIT ; X-RAY DIFFRACTION 4Å

e1l9zC5[C:143-331] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE, BETA SUBUNIT ; X-RAY DIFFRACTION 6.5Å

e4yg2C7[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4ylnC4[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å

e4ylnI6[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å

e4ylnO10[O:152-225,O:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å

e4yloC2[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 6.0Å

e4yloI5[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 6.0Å

e4yloO7[O:152-225,O:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 6.0Å

e4ylpC1[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å

e4ylpI3[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å

e4ylpO1[O:152-225,O:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 5.5Å

e4xsxC10[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 3.700Å

e4xsyC1[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: 42T ; X-RAY DIFFRACTION 4.000Å

e4xsyI10[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: 42T ; X-RAY DIFFRACTION 4.000Å

e4xszC9[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: 42U ; X-RAY DIFFRACTION 3.680Å

e4xszI7[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ligands: 42U ; X-RAY DIFFRACTION 3.680Å

e4zh2C2[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4zh2I3[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4zh3C2[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.100Å

e4zh3I4[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.100Å

e4zh4C7[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4zh4I2[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5byhC1[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH

e4xlnC2[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4xlnI6[I:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4xlpC3[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4xlpI1[I:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4xlqC2[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.500Å

e4xlqI1[I:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.500Å

e4xlrC4[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.150Å

e4xlrI7[I:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.150Å

e4xlsC7[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.01Å

e4xlsI1[I:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 4.01Å

e5ezkC6[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 8.500Å

e5iplC6[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5ipmC9[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5ipnC8[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5tbzC9[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5tbzH7[H:152-225,H:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uahC5[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uahI6[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uajI1[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5ualI8[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uaqC3[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uaqI2[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5ualC7[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5tw1C3[C:173-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.76Å

e5uagC7[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uagI6[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5up6I7[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH

e5upcI8[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH

e5upaI2[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH

e5uh5C6[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uh6C2[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uh8C4[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uh9C4[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uhaC4[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uhbC1[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uhcC2[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uhdC1[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uheC5[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uhfC7[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5uhgC3[C:182-376] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5my1X2[X:152-225,X:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5vi8C5[C:173-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; X-RAY DIFFRACTION 2.76Å

e5ms0C6[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5vswC1[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5vswI8[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5w1sC5[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5w1sI4[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5w1tC1[C:153-226,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5w1tI6[I:153-226,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5nsrC10[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5nssC1[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5tjgC5[C:142-330] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e5vi5C3[C:173-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e6alfI10[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6algI9[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6alhI4[I:152-225,I:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e5nwtC5[C:152-225,C:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e6awb036[03:152-225,03:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6awc036[03:152-225,03:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e6awd033[03:152-225,03:343-451] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit beta ; ELECTRON MICROSCOPY

e7fjiB5[B:184-360] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ELECTRON MICROSCOPY

e7fjjB5[B:184-360] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC2 ; ELECTRON MICROSCOPY

e4c2mB2[B:210-400] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; X-RAY DIFFRACTION 2.80Å

e4by7B2[B:219-404] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB2 ; X-RAY DIFFRACTION 3.15Å

e2e2iB11[B:219-404] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 140 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 3.41Å

e4kmuC2[C:152-225,C:343-451] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4s20C2[C:152-225,C:345-451] 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