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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: Gephyrin

UniprotKB/SwissProt ID: Q9NQX3 (Q9NQX3)

Gene Name: GPHN

Organism: Homo sapiens (Human)

Function: Microtubule-associated protein involved in membrane protein-cytoskeleton interactions. It is thought to anchor the inhibitory glycine receptor (GLYR) to subsynaptic microtubules (By similarity). Acts as a major instructive molecule at inhibitory synapses, where it also clusters GABA type A receptors (PubMed:25025157, PubMed:26613940) Also has a catalytic activity and catalyzes two steps in the biosynthesis of the molybdenum cofactor. In the first step, molybdopterin is adenylated. Subsequently, molybdate is inserted into adenylated molybdopterin and AMP is released

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Postsynaptic cell membrane. Cell membrane. Cytoplasm, cytosol. Cytoplasm, cytoskeleton. Cell projection, dendrite. Postsynaptic density

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR036425 MoaB/Mog-like_dom_sf
IPR001453 MoaB/Mog_dom
IPR008284 MoCF_biosynth_CS
IPR038987 MoeA-like
IPR005111 MoeA_C_domain_IV
IPR036688 MoeA_C_domain_IV_sf
IPR005110 MoeA_linker/N
IPR036135 MoeA_linker/N_sf

The S-nitrosylation sites of Q9NQX3

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 154 LPGSKKGSQE C FQFILPALPH    37478858
2 293 SCPTPKVQSR C SSKENILRAS    37478858
3 419 MRVTTGAPIP C GADAVVQVED