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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

X: LuxS, MPP, ThrRS/AlaRS common domain

looks like an elaborated ferredoxin

X: DCoH-like
H: RBP11-like subunits of RNA polymerase
T: RBP11-like subunits of RNA polymerase
F: RNA_pol_L

PF01193 CL0509

Representatives:

e1twfC1[C:3-41,C:173-268] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 45 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.3Å

e6a5rC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6a5tC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6a5uC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6a5vC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH

e6gykC2[C:4-41,C:173-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6gylC2[C:4-41,C:173-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6gymC1[C:4-41,C:173-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6i84C1[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6ir9C2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6j4wC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6j4xC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6j4yC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6j4zC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6j50C2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6j51C2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6inqC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e6o9lC2[C:1-42,C:179-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6drdC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6o6cC1[C:1-41,C:173-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6upxC1[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.300Å

e6upyC2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.290Å

e6upzC2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.020Å

e6uq0C2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.560Å

e6uq1C1[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.540Å

e6uq2C2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.090Å

e6uq3C2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.470Å

e6tedC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit C ; ELECTRON MICROSCOPY

e7b0yC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e6xreC2[C:1-42,C:179-275] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ligands: ZN ; ELECTRON MICROSCOPY

e7lbmC1[C:1-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7edxq1[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7eg7q1[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7eg8q1[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7eg9q1[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7egaq1[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7egbq1[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nvrC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nvsC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nvtC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nvuC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nvyC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nvzC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nw0C2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7o4iC1[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7kedC2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.550Å

e7egcq2[q:2-42,q:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7b7uC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7enaPC1[PC:2-42,PC:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7keeC2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.410Å

e7kefC2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.890Å

e7o4jC2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7o72C1[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7o73C2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7o75C2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nkyC2[C:4-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7encPC2[PC:2-42,PC:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7f4gC2[C:2-42,C:179-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7nkxC2[C:4-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7eu0C2[C:5-45,C:183-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerases II, IV and V subunit 3 ; ELECTRON MICROSCOPY

e7eu1C2[C:5-45,C:183-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerases II, IV and V subunit 3 ; ELECTRON MICROSCOPY

e7ml4C2[C:3-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7rimC2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 2.9Å

e7oobC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7pksC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ml0C2[C:4-41,C:173-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ml1C2[C:4-41,C:173-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ml2C2[C:4-41,C:173-265] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ripC1[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.270Å

e7riqC1[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 2.960Å

e7riwC2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.17Å

e7rixC2[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.3Å

e7riyC1[C:2-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; X-RAY DIFFRACTION 3.630Å

e7okxC2[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7okyC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ol0C1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7oo3C2[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7oopC2[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7opcC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7opdC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7oznC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7oznO1[O:2-42,O:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ozoC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ozoO1[O:2-42,O:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ozpC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ozpO1[O:2-42,O:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7meic1[c:4-41,c:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7xn7C1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7xseC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7xsxC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7xszC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7xtdC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7meiC2[C:4-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7mk9C2[C:4-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7mkac1[c:4-41,c:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7xt7C2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7xtiC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e8ceoC2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7zs9C1[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7zsaC2[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7zsbC1[C:3-37,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8h0vC2[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e8h0wC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II third largest subunit B44, part of central core ; ELECTRON MICROSCOPY

e7ui9C2[C:1-41,C:173-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7uifC2[C:1-41,C:173-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7uioAC2[AC:1-41,AC:173-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7uioBC2[BC:1-41,BC:173-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8gxqPC2[PC:2-42,PC:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8gxsPC1[PC:2-42,PC:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7uncC2[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7undC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7zwdC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7zx7C1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7zx8C2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8cenC1[C:3-41,C:173-268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8bvwC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8byqC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e8bz1C2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7ycx31[3:2-42,3:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB3 ; ELECTRON MICROSCOPY

e7wbvC1[C:4-40,C:173-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p4eC2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p4aC1[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8a40C2[C:2-42,C:179-271] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b3dC1[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8oeuC2[C:2-42,C:179-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e4qiwD2[D:1-37,D:149-188,D:208-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4qiwO1[O:1-37,O:149-188,O:208-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4qjvA1[A:1-37,A:149-188,A:208-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit D ; X-RAY DIFFRACTION 1.6Å

e4qjvC1[C:1-37,C:149-188,C:208-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit D ; X-RAY DIFFRACTION 1.6Å

e6kf3D2[D:2-37,D:149-188,D:208-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit D ; ELECTRON MICROSCOPY

e6kf4D2[D:2-37,D:149-188,D:208-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit D ; ELECTRON MICROSCOPY

e6kf9D1[D:2-37,D:149-188,D:208-258] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit D ; ELECTRON MICROSCOPY

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e1bdfA1[A:2-52,A:179-232] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE ALPHA SUBUNIT ; X-RAY DIFFRACTION 2.5Å

e4c2mC1[C:31-75,C:222-335] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASES I AND III SUBUNIT RPAC1 ; X-RAY DIFFRACTION 2.80Å

X: ClpS-like

contains a HTH motif

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes