Home Help

X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative


Keyword search


Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

X: HTH
H: HTH
T: winged
F: HTH_9

PF08221 CL0123

Representatives:

e2xv4S1[S:1-84] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; ligands: PO4 ; X-RAY DIFFRACTION 2.95Å

e2xubA7[A:1-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; X-RAY DIFFRACTION 2.8Å

e5afqA2[A:1-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; X-RAY DIFFRACTION 7.00Å

e5afqB3[B:1-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; X-RAY DIFFRACTION 7.00Å

e5fj8O5[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; ELECTRON MICROSCOPY

e5fjaO5[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; ELECTRON MICROSCOPY

e5fj9O5[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE III SUBUNIT RPC3 ; ELECTRON MICROSCOPY

e6eu1O3[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6eu2O4[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6eu3O4[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6f40O1[O:36-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6f41O5[O:36-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6f42O5[O:36-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6f44O2[O:36-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6eu0O5[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6cnbO3[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6cncO5[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6cndO4[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6cnfO2[O:31-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e6tutO5[O:34-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7astX1[X:4-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7a6hO5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7ae1O5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7ae3O5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7aeaO5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7d58O5[O:1-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7d59O5[O:1-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7dn3O5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7du2O1[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7fjiO4[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7fjjO4[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z1oO1[O:24-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z1lO4[O:22-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z1mO2[O:22-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z1nO1[O:22-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e8bwsO5[O:25-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z0hO1[O:25-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z2zO3[O:25-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z30O3[O:25-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e7z31O1[O:25-129] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e8iueO5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e8iuhO5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase III subunit RPC3 ; ELECTRON MICROSCOPY

e8ityO5[O:2-84] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; 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.

T: DNA-binding domain of intron-encoded endonucleases

lacks the N-terminal helix, circularly permuted wing

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

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