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Proteins/UNIPROT:P48739
Catalyzes the transfer of phosphatidylinositol and phosphatidylcholine between membranes. 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..
Function from UniProtKB (P48739), read 2026-09-23. CC BY 4.0.
Curated compounds routed: 0
72 statements
72 statements · 4 reference databases · Subject: PITPNB · Sources: Bgee, Hetionet, Reactome, Rhea
3 reactions
a 1,2-diacyl-sn-glycero-3-phosphocholinea 1,2-diacyl-sn-glycero-3-phosphocholine
Transported by ANO9 or PLSCR1 or VDAC1 or VDAC2 or PITPNB or PLTP or MTTP or PITPNA or SERINC3 or ANO4 or ANO6 or TMEM41B and 14 more alternatives
Reaction pageReversibleBalance undeterminable
Rhea RHEA:38571CC BY 4.0Reference data
3 names
Resolves to: PITPNB
a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol)a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol)
Transported by PITPNM1 or VDAC2 or PITPNB or PLTP or PITPNA or CLPTM1L or PITPNM2 or PITPNC1
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:38691CC BY 4.0Reference data
an N-(acyl)-sphingosylphosphocholinean N-(acyl)-sphingosylphosphocholine
Transported by PITPNB
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:43776CC BY 4.0Reference data