HLA-DPB1 Protein, Human (His)
Based on 1 Customer Validation
HLA-DPB belongs to the HLA class II β-chain paralog. HLA-DPB1 Protein, Human (His) is a recombinant human HLA-DPB1 protein expressed by E. coli and tagged with N-His.
- Species: Human
- Source: E. coli
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Biological Activity
HLA-DPB belongs to the HLA class II β-chain paralog. HLA-DPB1 Protein, Human (His) is a recombinant human HLA-DPB1 protein expressed by E. coli and tagged with N-His.
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.
Technical Parameters
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Species Human
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Source E. coli
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Tag N-His
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Accession
P04440 (R30-R223)
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Molecular Construction
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N-term
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His
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HLA-DPB1 (R30-R223)
Accession # P04440 -
C-term
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Protein Length
Extracellular Domain
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Synonyms
HLA-DPB1; MHC Class II Molecule; Prev. HLA-DP1B; MHC-Class II Antigen; HLA Class II Histocompatibility Antigen, DP Beta 1 Chain; MHC Class II Protein; MHC Class II Antigen DPB1; HLA Class II Antigen; HLA Class II Histocompatibility Antigen, DP(W4) Beta Ch
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AA Sequence
RATPENYLFQGRQECYAFNGTQRFLERYIYNREEFARFDSDVGEFRAVTELGRPAAEYWNSQKDILEEKRAVPDRMCRHNYELGGPMTLQRRVQPRVNVSPSKKGPLQHHNLLVCHVTDFYPGSIQVRWFLNGQEETAGVVSTNLIRNGDWTFQILVMLEMTPQQGDVYTCQVEHTSLDSPVTVEWKAQSDSAR
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Predicted Molecular Mass
26.8 kDa
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Purity
≥ 90%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
Lyophilized from a 0.22 μm filtered solution of 10 mM Tris-HCl, 1 mM EDTA, 6% trehalose, pH 8.0.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US; may vary elsewhere.
Documentation
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Data Sheet (235 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)