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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: Fumarate hydratase, mitochondrial

UniprotKB/SwissProt ID: P97807 (P97807)

Gene Name: Fh

Organism: Mus musculus (Mouse)

Function: Catalyzes the reversible stereospecific interconversion of fumarate to L-malate (PubMed:23643539). Experiments in different species have demonstrated that specific isoforms of this protein act in defined pathways and favor one direction over the other (Probable) Catalyzes the hydration of fumarate to L-malate in the tricarboxylic acid (TCA) cycle to facilitate a transition step in the production of energy in the form of NADH Catalyzes the dehydration of L-malate to fumarate (PubMed:23643539). Fumarate metabolism in the cytosol plays a role during urea cycle and arginine metabolism; fumarate being a by-product of the urea cycle and amino-acid catabolism (PubMed:23643539). Also plays a role in DNA repair by promoting non-homologous end-joining (NHEJ) (By similarity). In response to DNA damage and phosphorylation by PRKDC, translocates to the nucleus and accumulates at DNA double-strand breaks (DSBs): acts by catalyzing formation of fumarate, an inhibitor of KDM2B histone demethylase activity, resulting in enhanced dimethylation of histone H3 'Lys-36' (H3K36me2) (By similarity)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Mitochondrion. Cytoplasm, cytosol. Nucleus. Chromosome

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR005677 Fum_hydII
IPR024083 Fumarase/histidase_N
IPR018951 Fumarase_C_C
IPR020557 Fumarate_lyase_CS
IPR000362 Fumarate_lyase_fam
IPR022761 Fumarate_lyase_N
IPR008948 L-Aspartase-like

The S-nitrosylation sites of P97807

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 330 ELSGAMNTAA C SLMKIANDIR  CHHHHHHHHH H HHHHCCCCCC  2.73% 21278135
2 431 GDASVSFTDN C VVGIQANTER  CHHHHHHHHH H HHHHCCCCCC  2.67%