中文名称:HLA-DPB1 抗原(重组蛋白)
英文名称: HLA-DPB1 Antigen (Recombinant Protein)
别 名: major histocompatibility complex, class II, DP beta 1; DPB1; HLA-DP; HLA-DPB; HLA-DP1B
储 存: 冷冻(-20℃)
相关类别: 抗原
概 述:
Fusion protein corresponding to a region derived from 29-257 amino acids of human HLA-DPB1 |
Full name: |
major histocompatibility complex, class II, DP beta 1 |
Synonyms: |
DPB1; HLA-DP; HLA-DPB; HLA-DP1B |
Swissprot: |
P04440 |
Gene Accession: |
BC015000 |
Purity: |
>85%, as determined by Coomassie blue stained SDS-PAGE |
Expression system: |
Escherichia coli |
Tags: |
His tag C-Terminus, GST tag N-Terminus |
Background: |
HLA-DPB belongs to the HLA class II beta chain paralogues. This class II molecule is a heterodimer consisting of an alpha (DPA) and a beta chain (DPB), 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 beta chain is approximately 26-28 kDa and its gene contains 6 exons. Exon one encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, exon 4 encodes the transmembrane domain and exon 5 encodes 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. |