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:
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
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