evidence was obtained for the expression of additional class i antigens besides the hla-a , b , c locus products : for some haplotypes , up to six class i genes may be active in mitogenically activated pbls.no differences in molecular weight and isoelectric point of the class i heavy chains were observed between the antigens recognized by w6/32 , the anti-heavy chain reagent , and anti beta 2m reagents .
C0019629
class i antigens
C0017355
class i genes