Beta-2 Microglobulin (B2M)

Availability	Discontinued; Replaced with 126-15
Product Name	Beta-2 Microglobulin
Source	Human Urine
Catalogue Number	126-11
Purity	> 98% (SDS-PAGE)
Form	Lyophilized
Protein	Reported in mg/vial (E^0.1%_{280 nm}=1.65)
Formulation	Lyophilized from 0.02 M ammonium bicarbonate. May contain traces of buffer salts.
Appearance	White powder
Reconstitution	Phosphate buffered saline, pH >7.0
Related Products	GB2-80A - anti-Human B2M polyclonal antibody 126-12 - B2M antigen from human urine - Liquid 431-11 - Myoglobin antigen from human heart
Storage	2-8°C
Recertification	5 years
Infectious Disease Testing	Negative or non-reactive at the donor level for anti-HIV 1 and 2, anti-HCV, HBsAg, and syphilis by FDA approved methods.
Molecular Weight	~12,000
Synonyms	B2M, BMG
UNSPSC code	51131907
Gene	B2M, CDABP0092, HDCMA22P
Gene ID	567
Accession No	P61769
References	Nature Medicine volume 21, pages 932–937 (2015)