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Sep. 10, 2014:
A total of 174 experimentally verified S-nitrosylation sites on 94 S-nitrosylated proteins from individualized human colorectal cancer tissues using a label-free quantitation strategy.

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Protein Name: DNA ligase 3

UniprotKB/SwissProt ID: P49916 (P49916)

Gene Name: LIG3

Organism: Homo sapiens (Human)

Function: Isoform 3 functions as a heterodimer with DNA-repair protein XRCC1 in the nucleus and can correct defective DNA strand-break repair and sister chromatid exchange following treatment with ionizing radiation and alkylating agents. Isoform 1 is targeted to mitochondria, where it functions as a DNA ligase in mitochondrial base-excision DNA repair (PubMed:10207110, PubMed:24674627)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Mitochondrion. Mitochondrion. Nucleus. Nucleus

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR050191 ATP-dep_DNA_ligase
IPR001357 BRCT_dom
IPR036420 BRCT_dom_sf
IPR000977 DNA_ligase_ATP-dep
IPR012309 DNA_ligase_ATP-dep_C
IPR012310 DNA_ligase_ATP-dep_cent
IPR016059 DNA_ligase_ATP-dep_CS
IPR012308 DNA_ligase_ATP-dep_N
IPR036599 DNA_ligase_N_sf
IPR031916 LIG3_BRCT
IPR012340 NA-bd_OB-fold
IPR001510 Znf_PARP
IPR036957 Znf_PARP_sf

The S-nitrosylation sites of P49916

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 336 IVKLFSRIFN C NPDDMARDLE   
2 929 EKRKAADETL C QTKVLLDIFT   
3 94 GPCEMAEQRF C VDYAKRGTAG