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Antibody detects endogenous levels of DNA Ligase IV only when phosphorylated at Thr650.
The protein encoded by this gene is a DNA ligase that joins single-strand breaks in a double-stranded polydeoxynucleotide in an ATP-dependent reaction. This protein is essential for V(D)J recombination and DNA double-strand break (DSB) repair through nonhomologous end joining (NHEJ). This protein forms a complex with the X-ray repair cross complementing protein 4 (XRCC4), and further interacts with the DNA-dependent protein kinase (DNA-PK). Both XRCC4 and DNA-PK are known to be required for NHEJ. The crystal structure of the complex formed by this protein and XRCC4 has been resolved. Defects in this gene are the cause of LIG4 syndrome. Alternatively spliced transcript variants encoding the same protein have been observed.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: DNA joinase; DNA ligase 4; DNA ligase IV; DNA repair enzyme; ligase IV, DNA, ATP-dependent; Polydeoxyribonucleotide synthase [ATP] 4; polynucleotide ligase; sealase
基因别名: 5830471N16Rik; LIG4; LIG4S; tiny
UniProt ID: (Human) P49917, (Mouse) Q8BTF7
Entrez Gene ID: (Human) 3981, (Mouse) 319583