6RNZ

Crystal structure of the N-terminal HTH DNA-binding domain of the essential repressor DdrO from radiation-resistant Deinococcus bacteria (Deinococcus deserti)

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHTH_3_4e6rnzA1 A: alpha arraysX: HTHH: HTHT: tetra-helical, lambda repressor-likeF: HTH_3_4ECOD (1.6)
BHTH_3_4e6rnzB1 A: alpha arraysX: HTHH: HTHT: tetra-helical, lambda repressor-likeF: HTH_3_4ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.260.40 Mainly Alpha Orthogonal Bundle 434 Repressor (Amino-terminal Domain) lambda repressor-like DNA-binding domainsCATH (utative)
B1.10.260.40 Mainly Alpha Orthogonal Bundle 434 Repressor (Amino-terminal Domain) lambda repressor-like DNA-binding domainsCATH (utative)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF01381Helix-turn-helix (HTH_3)Helix-turn-helixThis large family of DNA binding helix-turn helix proteins includes Cro Swiss:P03036 and CI Swiss:P03034. Within the protein Swiss:Q5F9C2, the full protein fold incorporates a helix-turn-helix motif, but the function of this member is unlikely to be ...This large family of DNA binding helix-turn helix proteins includes Cro Swiss:P03036 and CI Swiss:P03034. Within the protein Swiss:Q5F9C2, the full protein fold incorporates a helix-turn-helix motif, but the function of this member is unlikely to be that of a DNA-binding regulator, the function of most other members, so is not necessarily characteristic of the whole family [1].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
HTH-type transcriptional regulator DdrOC - -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR001387Cro/C1-type helix-turn-helix domainDomain
A, B
IPR010982Lambda repressor-like, DNA-binding domain superfamilyHomologous Superfamily