Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1b28a_ All alpha proteins Ribbon-helix-helix Ribbon-helix-helix Arc/Mnt-like phage repressors Arc repressor (Lederbergvirus P22 ) [TaxId: 10754 ], SCOPe (2.08)
Bd1b28b_ All alpha proteins Ribbon-helix-helix Ribbon-helix-helix Arc/Mnt-like phage repressors Arc repressor (Lederbergvirus P22 ) [TaxId: 10754 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyRibbon-helix-helix 8037416 3000295 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyRibbon-helix-helix 8037416 3000295 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AArce1b28A1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: ArcECOD (1.6)
BArce1b28B1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: ArcECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.1220.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant Met repressor-likeCATH (4.3.0)
B1.10.1220.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant Met repressor-likeCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF03869Arc-like DNA binding domain (Arc)Arc-like DNA binding domainArc repressor act by he cooperative binding of two Arc repressor dimers to a 21-base-pair operator site. Each Arc dimer uses an antiparallel beta-sheet to recognise bases in the major groove [1].Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
PROTEIN (REGULATORY PROTEIN ARC) -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR013321Arc-type ribbon-helix-helixHomologous Superfamily
A, B
IPR010985Ribbon-helix-helixHomologous Superfamily
A, B
IPR005569Arc-like DNA binding domainDomain