(Major Histocompatibility Complex, Class II, DP alpha 1 (HLA-DPA1))
HLA-DPA1 belongs to the HLA class II alpha chain paralogues. This class II molecule is a heterodimer consisting of an alpha (DPA) and a beta (DPB) chain, both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells (APC: B lymphocytes, dendritic cells, macrophages). The alpha chain is approximately 33-35 kDa and its gene contains 5 exons. Exon one encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, exon 4 encodes the transmembrane domain and the cytoplasmic tail. Within the DP molecule both the alpha chain and the beta chain contain the polymorphisms specifying the peptide binding specificities, resulting in up to 4 different molecules. [provided by RefSeq, Jul 2008].
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Aliases for HLA-DPA1 抗体
major histocompatibility complex, class II, DP alpha 1 (HLA-DPA1) 抗体 DP(W3) 抗体 DP(W4) 抗体 HLA-DP1A 抗体 HLADP 抗体 HLASB 抗体 PLT1 抗体