Protein Name:
Phosphatidylinositol transfer protein beta isoform
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UniprotKB/SwissProt ID: P48739 (P48739)
Gene Name:
PITPNB
Organism: Homo sapiens (Human)
Function: Catalyzes the transfer of phosphatidylinositol and phosphatidylcholine between membranes (PubMed:10531358, PubMed:18636990, PubMed:20332109). Also catalyzes the transfer of sphingomyelin (By similarity). Required for COPI-mediated retrograde transport from the Golgi to the endoplasmic reticulum; phosphatidylinositol and phosphatidylcholine transfer activity is essential for this function (PubMed:20332109)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Golgi apparatus. Golgi apparatus membrane. Endoplasmic reticulum membrane
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of P48739
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
13 |
LIKEFRVVLP C SVQEYQVGQL |
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| 2 |
187 |
WKKELANSPD C PQMCAYKLVT |
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| 3 |
191 |
LANSPDCPQM C AYKLVTIKFK |
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| 4 |
94 |
HEKAWNAYPY C RTIVTNEYMK |
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