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Phosphatidylinositol transfer protein, beta
Protein PITPNB PDB 2a1l.png
PDB rendering based on 2a1l.
Available structures
PDB Ortholog search: PDBe, RCSB
Symbols PITPNB ; PI-TP-beta; PtdInsTP; VIB1B
External IDs OMIM606876 MGI1927542 HomoloGene4533 GeneCards: PITPNB Gene
RNA expression pattern
PBB GE PITPNB 202522 at tn.png
More reference expression data
Species Human Mouse
Entrez 23760 56305
Ensembl ENSG00000180957 ENSMUSG00000050017
UniProt P48739 P53811
RefSeq (mRNA) NM_012399 NM_019640
RefSeq (protein) NP_036531 NP_062614
Location (UCSC) Chr 22:
28.25 – 28.32 Mb
Chr 5:
111.33 – 111.39 Mb
PubMed search [1] [2]

Phosphatidylinositol transfer protein beta isoform is a protein that in humans is encoded by the PITPNB gene.[1][2]

The protein encoded by this gene is found in the cytoplasm, where it catalyzes the transfer of phosphatidylinositol and phosphatidylcholine between membranes.[2]


  1. ^ Dunham I, Shimizu N, Roe BA, Chissoe S, Hunt AR, Collins JE, Bruskiewich R, Beare DM, Clamp M, Smink LJ, Ainscough R, Almeida JP, Babbage A, Bagguley C, Bailey J, Barlow K, Bates KN, Beasley O, Bird CP, Blakey S, Bridgeman AM, Buck D, Burgess J, Burrill WD, O'Brien KP, et al. (Dec 1999). "The DNA sequence of human chromosome 22". Nature 402 (6761): 489–95. doi:10.1038/990031. PMID 10591208. 
  2. ^ a b "Entrez Gene: PITPNB phosphatidylinositol transfer protein, beta". 

Further reading[edit]