Protein Name:
Ras-related GTP-binding protein B
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UniprotKB/SwissProt ID: Q63487 (Q63487)
Gene Name:
RragB
Organism: Rattus norvegicus (Rat)
Function: Guanine nucleotide-binding protein that plays a crucial role in the cellular response to amino acid availability through regulation of the mTORC1 signaling cascade. Forms heterodimeric Rag complexes with RagC/RRAGC or RagD/RRAGD and cycles between an inactive GDP-bound and an active GTP-bound form: RagB/RRAGB is in its active form when GTP-bound RagB/RRAGB forms a complex with GDP-bound RagC/RRAGC (or RagD/RRAGD) and in an inactive form when GDP-bound RagB/RRAGB heterodimerizes with GTP-bound RagC/RRAGC (or RagD/RRAGD). In its GTP-bound active form, promotes the recruitment of mTORC1 to the lysosomes and its subsequent activation by the GTPase RHEB. Involved in the RCC1/Ran-GTPase pathway
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm. Lysosome membrane
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of Q63487
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
280 |
ATFLVISHYQ C KEQRDAHRFE |
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