title: A single nucleotide deletion in exon 2 produces a novel null allele, HLA-DRB1*01:33N.
abstract: A single nucleotide deletion in codon 12 of the human leukocyte antigen HLA-DRB1*01 results in a novel null allele, DRB1*01:33N.
authors.affiliation: Department of Pathology, University of Chicago Medical Center, Chicago, IL, USA.
authors.forename: A
authors.initials: A
authors.lastname: Zimmerman
authors.forename: L S
authors.initials: LS
authors.lastname: Spruit
authors.forename: W
authors.initials: W
authors.lastname: Herczyk
authors.forename: S R
authors.initials: SR
authors.lastname: Marino
mesh_terms: D000483:Alleles; D001483:Base Sequence; D005091:Exons / Q000235:genetics*; D059811:HLA-DRB1 Chains / Q000235:genetics*; D006801:Humans; D017384:Sequence Deletion
chemical_list: D059811:HLA-DRB1 Chains