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
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




Representatives:
e1ny5A2[A:138-308]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
transcriptional regulator (NtrC family) ; ligands: ADP,GOL,MG,PO4 ; X-RAY DIFFRACTION 2.4Å
e1ny5B2[B:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP,GOL,PO4 ; X-RAY DIFFRACTION 2.4Å
e1ny6C2[C:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6B2[B:142-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6J2[J:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6M2[M:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6D2[D:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6E2[E:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6H2[H:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6F2[F:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6K2[K:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6L2[L:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6G2[G:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6N2[N:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6A2[A:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e1ny6I2[I:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
transcriptional regulator (NtrC family) ; ligands: ADP ; X-RAY DIFFRACTION 3.1Å
e3m0eA2[A:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e3dzdA1[A:123-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATOR (NTRC FAMILY) ; ligands: ADP ; X-RAY DIFFRACTION 2.4Å
e2bjvA1[A:10-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; X-RAY DIFFRACTION 1.700Å
e1ojlF2[F:140-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR ; ligands: PO4 ; X-RAY DIFFRACTION 3.000Å
e1ojlB2[B:139-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR ; ligands: PO4 ; X-RAY DIFFRACTION 3.000Å
e1ojlC2[C:139-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR ; ligands: PO4 ; X-RAY DIFFRACTION 3.000Å
e2c96A1[A:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; ligands: ATP ; X-RAY DIFFRACTION 1.8Å
e3dzdB2[B:123-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATOR (NTRC FAMILY) ; ligands: ADP,NA ; X-RAY DIFFRACTION 2.4Å
e3m0eB2[B:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e3m0eC2[C:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e3m0eD2[D:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e3m0eE2[E:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e3m0eF2[F:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e3m0eG2[G:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: ATP,MG ; X-RAY DIFFRACTION 2.630Å
e4bs1B1[B:137-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATOR (NTRC FAMILY) ; ligands: ADP ; ELECTRON MICROSCOPY
e4bt0B1[B:137-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATOR ; ligands: ADP ; ELECTRON MICROSCOPY
e4bt1B1[B:137-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATOR ; ligands: ADP ; ELECTRON MICROSCOPY
e4l4uA1[A:138-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATOR (NTRC FAMILY) ; X-RAY DIFFRACTION 2.2Å
e4lzzI2[I:137-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzL2[L:139-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,ADP,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzW2[W:136-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzX2[X:139-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4ly6A2[A:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6B2[B:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6C2[C:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6D2[D:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6E2[E:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6F2[F:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T ; X-RAY DIFFRACTION 3.600Å
e4ly6G2[G:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6H2[H:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6I2[I:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6J2[J:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6K2[K:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6L2[L:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,ADP,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6M2[M:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6N2[N:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6O2[O:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6P2[P:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6Q2[Q:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6R2[R:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6S2[S:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6T2[T:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6U2[U:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6V2[V:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6W2[W:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 3.600Å
e4ly6X2[X:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,ADP ; X-RAY DIFFRACTION 3.600Å
e4lzzA2[A:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzB2[B:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzC2[C:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzD2[D:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzF2[F:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,ADP,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzG2[G:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzH2[H:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzJ2[J:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzK2[K:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzM2[M:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T ; X-RAY DIFFRACTION 2.870Å
e4lzzN2[N:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzO2[O:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzP2[P:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzQ2[Q:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzR2[R:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzS2[S:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzT2[T:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzU2[U:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzV2[V:138-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e4lzzE2[E:127-304] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator (NtrC family) ; ligands: 08T,MG ; X-RAY DIFFRACTION 2.870Å
e1ojlD4[D:140-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR ; ligands: PO4 ; X-RAY DIFFRACTION 3.000Å
e1ojlA7[A:140-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR ; ligands: PO4 ; X-RAY DIFFRACTION 3.000Å
e1ojlE4[E:140-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
TRANSCRIPTIONAL REGULATORY PROTEIN ZRAR ; ligands: ATP ; X-RAY DIFFRACTION 3.000Å
e2c99A3[A:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; ligands: ANP ; X-RAY DIFFRACTION 1.9Å
e2c9cA3[A:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; ligands: ATP ; X-RAY DIFFRACTION 2.1Å
e2bjwA3[A:9-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; X-RAY DIFFRACTION 1.75Å
e2viiA3[A:7-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; ligands: AMP,MG ; X-RAY DIFFRACTION 2.85Å
e2c98A3[A:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PSP OPERON TRANSCRIPTIONAL ACTIVATOR ; ligands: ADP ; X-RAY DIFFRACTION 1.9Å
e4qhsA1[A:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhsC1[C:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhsB1[B:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhsF1[F:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhsG1[G:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhsE1[E:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhsD1[D:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.300Å
e4qhtA1[A:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qhtB1[B:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qhtC1[C:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qhtD1[D:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qhtE1[E:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qhtF1[F:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qhtG1[G:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; X-RAY DIFFRACTION 2.559Å
e4qnmA2[A:9-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ligands: EPE,GOL ; X-RAY DIFFRACTION 1.628Å
e4qosA2[A:8-164] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ligands: ADP,EPE ; X-RAY DIFFRACTION 1.42Å
e4qnrA2[A:7-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ligands: ATP,EPE,GOL,MG ; X-RAY DIFFRACTION 1.539Å
e5exsA2[A:142-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator FleQ ; ligands: AGS ; X-RAY DIFFRACTION 2.5Å
e5extA2[A:142-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator FleQ ; ligands: ADP ; X-RAY DIFFRACTION 2.4Å
e5expA1[A:145-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator FleQ ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.8Å
e5exxA2[A:138-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator FleQ ; ligands: C2E,SO4 ; X-RAY DIFFRACTION 3.3Å
e5ep0A1[A:141-312] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative repressor protein luxO ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.600Å
e5ep1A2[A:141-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative repressor protein luxO ; ligands: ACT ; X-RAY DIFFRACTION 1.500Å
e5ep2A1[A:141-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative repressor protein luxO ; ligands: ACT,AZU ; X-RAY DIFFRACTION 1.420Å
e5ep3A1[A:141-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative repressor protein luxO ; ligands: 5QT,EPE,SO4 ; X-RAY DIFFRACTION 1.800Å
e5ep4A1[A:141-307] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Putative repressor protein luxO ; ligands: ATP,EDO ; X-RAY DIFFRACTION 1.500Å
e5m7nA2[A:129-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: ATP ; X-RAY DIFFRACTION 2.90Å
e5m7oA1[A:141-308] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; X-RAY DIFFRACTION 2.20Å
e5m7oB1[B:141-308] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; X-RAY DIFFRACTION 2.20Å
e5m7pA1[A:141-308] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: ADP ; X-RAY DIFFRACTION 2.36Å
e5m7nB3[B:141-308] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: ATP ; X-RAY DIFFRACTION 2.90Å
e5m7pB2[B:140-308] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: ADP ; X-RAY DIFFRACTION 2.36Å
e5nssF2[F:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ELECTRON MICROSCOPY
e5nssG2[G:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ELECTRON MICROSCOPY
e5nssJ2[J:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ELECTRON MICROSCOPY
e5nssK2[K:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ELECTRON MICROSCOPY
e5nssL1[L:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ELECTRON MICROSCOPY
e5nssN2[N:8-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Psp operon transcriptional activator ; ELECTRON MICROSCOPY
e6j7eA1[A:143-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: AGS,GOL,MG ; X-RAY DIFFRACTION 2.4Å
e6jdiA2[A:142-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: AGS,MG ; X-RAY DIFFRACTION 1.95Å
e6jdlA2[A:142-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Nitrogen assimilation regulatory protein ; ligands: AGS,MG ; X-RAY DIFFRACTION 2.249Å
e6luaA1[A:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6luaB1[B:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6luaC2[C:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6luaD1[D:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6luaE1[E:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6luaF1[F:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6luaG2[G:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: EDO ; X-RAY DIFFRACTION 3.1Å
e6lufA1[A:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6lufB2[B:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6lufC1[C:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6lufD1[D:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6lufE1[E:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6lufF2[F:130-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6lufG2[G:131-300] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Flagellar regulatory protein C ; ligands: ADP ; X-RAY DIFFRACTION 3.45Å
e6iy8A2[A:224-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Positive regulator CapR ; X-RAY DIFFRACTION 3.42Å
e6iy8B2[B:224-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Positive regulator CapR ; X-RAY DIFFRACTION 3.42Å
e6iy8C2[C:224-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Positive regulator CapR ; X-RAY DIFFRACTION 3.42Å
e6iy8D2[D:224-405] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Positive regulator CapR ; X-RAY DIFFRACTION 3.42Å
e7ejwC1[C:142-315] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator FleQ ; ligands: MG ; X-RAY DIFFRACTION 1.98Å
e7ejwD1[D:142-315] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcriptional regulator FleQ ; X-RAY DIFFRACTION 1.98Å
e7vbsA1[A:139-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sigma-54 dependent trancsriptional regulator ; ligands: PO4 ; X-RAY DIFFRACTION 1.998Å
e7vbwA1[A:139-306] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Sigma-54 dependent trancsriptional regulator ; ligands: GTP,MG ; X-RAY DIFFRACTION 2.5Å
e7v2bA1[A:137-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: GTP ; X-RAY DIFFRACTION 3.2Å
e7v2bD1[D:133-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: GTP ; X-RAY DIFFRACTION 3.2Å
e7v2vA1[A:131-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: SO4 ; X-RAY DIFFRACTION 3.19Å
e7v2vD1[D:136-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: SO4 ; X-RAY DIFFRACTION 3.19Å
e7v3wA1[A:132-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: ATP ; X-RAY DIFFRACTION 3.2Å
e7v3wD1[D:136-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: ATP ; X-RAY DIFFRACTION 3.2Å
e7v4eA1[A:131-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: SO4 ; X-RAY DIFFRACTION 4.0Å
e7v4eD1[D:133-309] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
VpsR ; ligands: SO4 ; X-RAY DIFFRACTION 4.0Å
e7qv9a2[a:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription activator PspF ; ligands: ADP,AF3 ; ELECTRON MICROSCOPY
e7qv9b2[b:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription activator PspF ; ligands: ADP,AF3 ; ELECTRON MICROSCOPY
e7qv9c2[c:3-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription activator PspF ; ligands: ADP ; ELECTRON MICROSCOPY
e7qv9d1[d:3-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription activator PspF ; ligands: AF3 ; ELECTRON MICROSCOPY
e7qv9f1[f:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription activator PspF ; ligands: ADP,AF3 ; ELECTRON MICROSCOPY
e7qv9e1[e:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Transcription activator PspF ; ligands: ADP,AF3 ; ELECTRON MICROSCOPY

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