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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: inserted a+b domain in yeast RNA polymerase beta subunit
H: inserted a+b domain in yeast RNA polymerase beta subunit
T: inserted a+b domain in yeast RNA polymerase beta subunit
F: RNA_pol_Rpa2_4

PF06883

Representatives:

e4c2mB3[B:548-646] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4c2mQ1[Q:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

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

e4c3hB4[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; X-RAY DIFFRACTION 3.27Å

e4c3iB7[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; X-RAY DIFFRACTION 3.00Å

e4c3jB5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; X-RAY DIFFRACTION 3.35Å

e4ym7AB3[AB:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; X-RAY DIFFRACTION 5.5Å

e4ym7BB6[BB:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; X-RAY DIFFRACTION 5.5Å

e4ym7CB2[CB:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; X-RAY DIFFRACTION 5.5Å

e4ym7DB1[DB:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; X-RAY DIFFRACTION 5.5Å

e4ym7EB1[EB:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; X-RAY DIFFRACTION 5.5Å

e4ym7FB6[FB:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; X-RAY DIFFRACTION 5.5Å

e5g5lB6[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 ; ELECTRON MICROSCOPY

e5m3fB5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5m3mB4[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5m5wB1[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5m5xB3[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5m5yB4[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5m64B6[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5lmxB6[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5n5yB5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5n5zB2[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5n60B2[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5n61B3[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5oa1B2[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5w5yB1[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5w64B7[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5w66B5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e5w65B4[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6h67B5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6h68B6[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6hlqB1[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6hlrB2[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6hlsB3[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6hkoB7[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6rqhB1[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6rqlB1[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6rqtB6[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6rrdB5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6ruiB3[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6ruoB3[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6rweB5[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e6tpsB6[B:548-646] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase I subunit RPA135 ; ELECTRON MICROSCOPY

e7aocB4[B:524-631] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable DNA-directed RNA polymerase I subunit RPA2 ; ELECTRON MICROSCOPY

e7aodB2[B:524-631] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable DNA-directed RNA polymerase I subunit RPA2 ; ELECTRON MICROSCOPY

e7aodN1[N:524-631] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable DNA-directed RNA polymerase I subunit RPA2 ; ELECTRON MICROSCOPY

e7aoeB1[B:524-631] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Probable DNA-directed RNA polymerase I subunit RPA2 ; ELECTRON MICROSCOPY

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

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