1VAS
ATOMIC MODEL OF A PYRIMIDINE DIMER SPECIFIC EXCISION REPAIR ENZYME COMPLEXED WITH A DNA SUBSTRATE: STRUCTURAL BASIS FOR DAMAGED DNA RECOGNITION
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
C [auth A] | d1vasa_ | All alpha proteins | T4 endonuclease V | T4 endonuclease V | T4 endonuclease V | T4 endonuclease V | (Tequatrovirus T4 ) [TaxId: 10665 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
C [auth A] | SCOP2B Superfamily | T4 endonuclease V | 8036751 | 3001328 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
C [auth A] | Pyr_excise | e1vasA1 | A: alpha arrays | X: T4 endonuclease V (From Topology) | H: T4 endonuclease V (From Topology) | T: T4 endonuclease V | F: Pyr_excise | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
C [auth A] | 1.10.440.10 | Mainly Alpha | Orthogonal Bundle | Endonuclease V | T4 endonuclease V | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
C [auth A] | PF03013 | Pyrimidine dimer DNA glycosylase (Pyr_excise) | Pyrimidine dimer DNA glycosylase | Pyrimidine dimer DNA glycosylases excise pyrimidine dimers by hydrolysis of the glycosylic bond of the 5' pyrimidine, followed by the intra-pyrimidine phosphodiester bond. Pyrimidine dimers are the major UV-lesions of DNA. | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
C [auth A] | IPR024796 | T4 endonuclease V | Homologous Superfamily |
C [auth A] | IPR004260 | Pyrimidine dimer DNA glycosylase | Family |
C [auth A] | IPR021143 | Pyrimidine dimer DNA glycosylase, endonuclease V type | Family |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
Chains | Enzyme Name | Description | Catalytic Residues |
---|---|---|---|
deoxyribonuclease (pyrimidine dimer) M-CSA #162 | Endonuclease V removes pyrimidine dimers in DNA induced by UV radiation. The enzyme first associates with the DNA and locates the damaged site by a scanning mechanism. It catalyses 2 reactions to remove DNA pyrimidine dimers: (1)cleavage of glycosidic bond by pyrimidine dimer glycosylase activity, which hydrolyses the N-glycosyl bond of the 5'-thymidine in the thymine dimer site and (2)incision of the phosphodiester bond at the apyrimidinic site via a beta-elimination reaction by the apurinic/apyrimidinic(AP) endonuclease activity. | Defined by 4 residues: THR:C-1 [auth A-2]ARG:C-21 [auth A-22]GLN:C-22 [auth A-23]ARG:C-25 [auth A-26] | EC: 3.2.2.17 (UniProt) EC: 4.2.99.18 (UniProt) |