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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: Sodium channel protein type 7 subunit alpha

UniprotKB/SwissProt ID: Q01118 (Q01118)

Gene Name: SCN7A

Organism: Homo sapiens (Human)

Function: Sodium leak channel functioning as an osmosensor regulating sodium ion levels in various tissues and organs. While most sodium channels are voltage-gated, SCN7A is not and lets sodium flow through membrane along its concentration gradient (PubMed:26537257, PubMed:35301303). In glial cells of the central nervous system, senses body-fluid sodium levels and controls salt intake behavior as well as voluntary water intake through activation of nearby neurons to maintain appropriate sodium levels in the body (By similarity). By mediating sodium influx into keratinocytes, also plays a role in skin barrier homeostasis (PubMed:26537257)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cell membrane

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR005821 Ion_trans_dom
IPR001696 Na_channel_asu
IPR044564 Na_chnl_inactivation_gate
IPR010526 Na_trans_assoc_dom
IPR043203 VGCC_Ca_Na
IPR027359 Volt_channel_dom_sf

The S-nitrosylation sites of Q01118

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 734 FLALVSSFSS C KDVTAEENNE