HLA-B35 (B35) is an HLA-B serotype.
The serotype identifies the more common HLA-B*35 gene products.
[1] B35 is one of the largest B serotype groups, it currently has 97 known nucleotide variants and 86 polypeptide isoforms.
(For terminology help see: HLA-serotype tutorial).
This variant is particularly susceptible to HIV infection.