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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
E [auth A]d1ksxa_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
F [auth B]d1ksxb_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
G [auth E]d1ksxe_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
H [auth F]d1ksxf_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
Id1ksxi_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
Jd1ksxj_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
K [auth M]d1ksxm_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)
L [auth N]d1ksxn_ Alpha and beta proteins (a+b) Origin of replication-binding domain, RBD-like Origin of replication-binding domain, RBD-like Replication initiation protein E1 Replication initiation protein E1 (Bovine papillomavirus ) [TaxId: 10571 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
E [auth A]SCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
F [auth B]SCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
G [auth E]SCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
H [auth F]SCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
ISCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
JSCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
K [auth M]SCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)
L [auth N]SCOP2B SuperfamilyOrigin of replication-binding domain RBD-like8032862 3001937 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
E [auth A]PPV_E1_Ce1ksxA1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
F [auth B]PPV_E1_Ce1ksxB1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
G [auth E]PPV_E1_Ce1ksxE1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
H [auth F]PPV_E1_Ce1ksxF1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
IPPV_E1_Ce1ksxI1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
JPPV_E1_Ce1ksxJ1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
K [auth M]PPV_E1_Ce1ksxM1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)
L [auth N]PPV_E1_Ce1ksxN1 A: a+b two layersX: Alpha-beta plaitsH: Origin of replication-binding domainsT: Origin of replication-binding domainsF: PPV_E1_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF20450Papillomavirus E1, DNA-binding domain (PPV_E1_DBD)Papillomavirus E1, DNA-binding domainThis is the DNA-binding domain (DBD) of Papillomavirus E1 protein, a DNA helicase that is required for initiation of viral DNA replication. This protein forms a complex with the E2 protein Pfam:PF00508 at the origin of replication (ori) [1,2]. This d ...This is the DNA-binding domain (DBD) of Papillomavirus E1 protein, a DNA helicase that is required for initiation of viral DNA replication. This protein forms a complex with the E2 protein Pfam:PF00508 at the origin of replication (ori) [1,2]. This domain is found in the central region of E1 and binds DNA at specific sites of viral origin, and also binds cooperatively with E2-DBD. This domain comprises a five-stranded antiparallel beta-sheet flanked by alpha helices on each side [2]. This domain binds originally as a dimer in which each monomer binds to one half-site of the palindromic E1 binding site, and promotes the assembly of the hexameric helicase on the ori [2]. E1 has a domain architecture and function similar to SV40 T-antigen [1].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth C],
B [auth G],
C [auth K],
D [auth O]
E1 Recognition Sequence---
REPLICATION PROTEIN E1

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR046935DNA helicase E1, DNA-binding domain superfamily, papillomavirusHomologous Superfamily
IPR046832DNA helicase E1, DNA-binding domain, papillomavirusDomain
IPR001177DNA helicase E1, C-terminal, PapillomavirusDomain
IPR014000DNA helicase E1, N-terminal, PapillomavirusDomain
IPR037102Zinc finger, large T-antigen D1 domain superfamilyHomologous Superfamily
IPR016393Replication protein E1, papillomavirusFamily
IPR014015Helicase, superfamily 3, DNA virusDomain
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily