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last update : 08-03-2019
Symbol PBGS
Location 22q13.2
Name P blood group system
Corresponding gene A4GALT
Other symbol(s) P1, PK-P
Main clinical features
  • including the PK-P and P1 antigens on RBC membranes and the negative P phenotype lacking any antigen
  • Genetic determination not applicable
    Related entries including NOR polyagglutination syndrome : Polyagglutination is the occurrence of red cell agglutination by virtually all human sera, but not by autologous serum or sera from newborns
    Function/system disorder hematology
    Type other
    Gene product
    Name alpha (1,4) galactosyltransferase distinct non functional alleles without any predominant allele
    Gene mutationChromosome rearrangementEffectComments
    insertion-deletion     Three-base deletion and one responsible for the P phenotype