Protein: Endonuclease V (P68739)
Organism: Escherichia coli (strain K12)
Function: DNA repair enzyme involved in the repair of deaminated bases. Selectively cleaves double-stranded DNA at the second phosphodiester bond 3' to a deoxyinosine leaving behind the intact lesion on the nicked DNA. Has a wide substrate spectrum. In addition to deoxyinosine- containing DNA, the enzyme cleaves DNA containing urea residues, AP sites, base mismatches, insertion/deletion mismatches, flaps, and pseudo-Y structures. Participates in the excision repair of hypoxanthine and xanthine (deaminated adenine and guanine) in DNA. It thereby reduces the mutagenic effects of nitrous acid by attacking lesions caused by nitrosative deamination. Also active on inosines in single- and double-stranded RNA. May cleave tRNA(Arg2), which contains inosine at the wobble position
Subcellular location: Cytoplasm
Sequence: MDLASLRAQQIELASSVIREDRLDKDPPDLIAGADVGFEQGGEVTRAAMVLLKYPSLELVEYKVARIATTMPYIPGFLSFREYPALLAAWEMLSQKPDLVFVDGHGISHPRRLGVASHFGLLVDVPTIGVAKKRLCGKFEPLSSEPGALAPLMDKGEQLAWVWRSKARCNPLFIATGHRVSVDSALAWVQRCMKGYRLPEPTRWADAVASERPAFVRYTANQP
InterPro domains: - IPR007581: Endonuclease V (family) [2-216]
Interaction partners: - Uroporphyrinogen decarboxylase
- Endonuclease 4
- dITP/XTP pyrophosphatase
- Exodeoxyribonuclease III
- Formamidopyrimidine-DNA glycosylase
- Uncharacterized protein YjaG
- DNA-3-methyladenine glycosylase 2
- UvrABC system protein A
Gene Ontology annotations:
Molecular Function (MF): GO:0003674 (molecular function), GO:0005488 (binding), GO:0003824 (catalytic activity), GO:0140640 (catalytic activity, acting on a nucleic acid), GO:0016787 (hydrolase activity), GO:0005515 (protein binding), GO:0016788 (hydrolase activity, acting on ester bonds), GO:0140097 (catalytic activity, acting on DNA), GO:0004518 (nuclease activity), GO:0004536 (deoxyribonuclease activity), GO:0004520 (DNA endonuclease activity), GO:0004519 (endonuclease activity), GO:0016893 (endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters), GO:0016888 (endodeoxyribonuclease activity, producing 5'-phosphomonoesters)
Biological Process (BP): GO:0008150 (biological process), GO:0008152 (metabolic process), GO:0009987 (cellular process), GO:0050896 (response to stimulus), GO:0051716 (cellular response to stimulus), GO:0006950 (response to stress), GO:0044237 (cellular metabolic process), GO:0071704 (organic substance metabolic process), GO:0044238 (primary metabolic process), GO:0006807 (nitrogen compound metabolic process), GO:0006725 (cellular aromatic compound metabolic process), GO:1901360 (organic cyclic compound metabolic process), GO:0034641 (cellular nitrogen compound metabolic process), GO:0006139 (nucleobase-containing compound metabolic process), GO:0044260 (cellular macromolecule metabolic process), GO:0043170 (macromolecule metabolic process), GO:0046483 (heterocycle metabolic process), GO:0033554 (cellular response to stress), GO:0006259 (DNA metabolic process), GO:0090304 (nucleic acid metabolic process), GO:0006974 (cellular response to DNA damage stimulus), GO:0006281 (DNA repair)
Cellular Component (CC): GO:0005575 (cellular component), GO:0110165 (cellular anatomical entity), GO:0032991 (protein-containing complex), GO:1902494 (catalytic complex), GO:0005622 (intracellular anatomical structure), GO:0005737 (cytoplasm), GO:0140535 (intracellular protein-containing complex), GO:1905348 (endonuclease complex), GO:1905347 (endodeoxyribonuclease complex)