Human BAP31 Antibody

Catalog #: AF5574 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
AF5574
AF5574-SP

Detection of Human BAP31 by Western Blot.

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Human BAP31 Antibody Summary

Species Reactivity

Human

Specificity

Detects human BAP31 in direct ELISAs and Western blots.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant human BAP31
Gly165-Glu246
Accession # P51572

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Label

Unconjugated

Applications

Recommended Concentration

Sample

Western Blot

1 µg/mL

See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot

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Detection of Human BAP31 by Western Blot. Western blot shows lysates of Nalm-6 human Pre-B acute lymphocytic leukemia cell line, human heart tissue and human cortex tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human BAP31 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5574) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for BAP31 at approximately 31 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: BAP31

BAP31 (BCR-associated protein of 31 kDa) is a 29 kDa member of the BCAP29/BCAP31 family of proteins. It is ubiquitously expressed, resides in the ER and serves multiple functions. It is known to act as a cargo receptor for ER export of transmembrane (TM) proteins, and serve as a component of the ER quality control compartment, cycling between the peripheral and juxtanuclear ER. Human BAP31 is a 246 amino acid (aa), 3-TM domain containing protein. Amino acids 1‑6 are lumenal, 124‑246 are cytoplasmic, and 7‑27, 44‑64 and 103‑123 constitute TM segments. BAP31 forms homodimers and heterodimers with BAP29. Cleavage between Asp164Gly165 and Asp238Gly239 generates 20 kDa and 27 kDa fragments, respectively. There is an alternate start site 67 aa upstream from the standard start site. Over aa 165‑246, human BAP31 shares 82% aa identity with mouse BAP31.

Long Name

B-cell Receptor-associated Protein 31

Entrez Gene IDs

10134 (Human); 27061 (Mouse); 293852 (Rat)

Alternate Names

6C6-Ag; BAP31; Bap31,6C6-AG; BAP31DXS1357ECDM; BCAP31; B-cell receptor-associated protein 31; BCR-associated protein 31; BCR-associated protein Bap31,6C6-AG tumor-associated antigen; p28 Bap31,6C6-Ag; p28; Protein CDM