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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: C-1-tetrahydrofolate synthase, cytoplasmic

UniprotKB/SwissProt ID: P11586 (P11586)

Gene Name: MTHFD1

Organism: Homo sapiens (Human)

Function: Trifunctional enzyme that catalyzes the interconversion of three forms of one-carbon-substituted tetrahydrofolate: (6R)-5,10-methylene-5,6,7,8-tetrahydrofolate, 5,10-methenyltetrahydrofolate and (6S)-10-formyltetrahydrofolate (PubMed:10828945, PubMed:18767138, PubMed:1881876). These derivatives of tetrahydrofolate are differentially required in nucleotide and amino acid biosynthesis, (6S)-10-formyltetrahydrofolate being required for purine biosynthesis while (6R)-5,10-methylene-5,6,7,8-tetrahydrofolate is used for serine and methionine biosynthesis for instance (PubMed:18767138, PubMed:25633902)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR046346 Aminoacid_DH-like_N_sf
IPR000559 Formate_THF_ligase
IPR020628 Formate_THF_ligase_CS
IPR036291 NAD(P)-bd_dom_sf
IPR027417 P-loop_NTPase
IPR000672 THF_DH/CycHdrlase
IPR020630 THF_DH/CycHdrlase_cat_dom
IPR020867 THF_DH/CycHdrlase_CS
IPR020631 THF_DH/CycHdrlase_NAD-bd_dom

The S-nitrosylation sites of P11586

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 147 RGDLNDCFIP C TPKGCLELIK   
2 152 DCFIPCTPKG C LELIKETGVP   
3 195 LLWNNATVTT C HSKTAHLDEE   
4 236 WIKPGAIVID C GINYVPDDKK   
5 326 VPSDIDISRS C KPKPIGKLAR   
6 408 GAHLYQNVFA C VRQPSQGPTF   
7 691 FNIKCRYSGL C PHVVVLVATV   
8 785 REHGAFDAVK C THWAEGGKGA   
9 863 TKQGFGNLPI C MAKTHLSLSH