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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: Ras-related protein Rab-18

UniprotKB/SwissProt ID: Q9NP72 (Q9NP72)

Gene Name: RAB18

Organism: Homo sapiens (Human)

Function: The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes (PubMed:24891604, PubMed:30970241). Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different sets of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion (PubMed:24891604, PubMed:30970241). RAB18 is required for the localization of ZFYVE1 to lipid droplets and for its function in mediating the formation of endoplasmic reticulum-lipid droplets (ER-LD) contacts (PubMed:30970241). Also required for maintaining endoplasmic reticulum structure (PubMed:24891604). Plays a role in apical endocytosis/recycling (By similarity). Plays a key role in eye and brain development and neurodegeneration (PubMed:21473985)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Endoplasmic reticulum membrane. Golgi apparatus, cis-Golgi network membrane. Lipid droplet. Apical cell membrane

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR027417 P-loop_NTPase
IPR050227 Rab
IPR025662 Sigma_54_int_dom_ATP-bd_1
IPR005225 Small_GTP-bd
IPR001806 Small_GTPase

The S-nitrosylation sites of Q9NP72

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 110 DNWLNELETY C TRNDIVNMLV