< 1 EU per 1ug of protein (determined by LAL method)
Biological Activity Comment
Specific activity is > 1,500nmol/min/mg, and is defined as the amount of enzyme that cleaves 1nmole of suc-AAPF-pNA per minute at 37C in Tris-HCl pH 8.0 using chymotrypsin.
Optimal working dilution should be determined by the investigator.
限制
仅限研究用
状态
Liquid
浓度
1 mg/mL
缓冲液
20 mM Tris-HCl buffer ( pH 8.0) containing 20 mM NaCl, 0.5 mM DTT, 10 % glycerol
储存条件
4 °C,-20 °C,-80 °C
储存方法
Can be stored at +2C to +8C for 1 week. For long term storage, aliquot and store at -20C to -80C. Avoid repeated freezing and thawing cycles.
抗原
PPIB
(Cyclophilin B (PPIB))
别名
Cyclophilin B/PPIB
背景
Cyclophilin B (also known as PPIB, peptidylpropyl isomerase B) is a cyclosporine-binding protein and is mainly located within the endoplasmic reticulum. It is associated with the secretory pathway and released in biological fluids. This protein can bind to cells derived from T- and B-lymphocytes, and may regulate cyclosporine A-mediated immunosuppression. Recombinant human cyclophilin B was expressed in E. coli and purified by using conventional chromatography techniques