Human Latent Activin A / INHBA Protein, His Tag

Activin and inhibin are two closely related protein complexes that have almost directly opposite biological effects. Activin enhances FSH biosynthesis and secretion, and participates in the regulation of the menstrual cycle. Many other functions have been found to be exerted by activin, including roles in cell proliferation, differentiation, apoptosis, metabolism, homeostasis, immune response, wound repair, and endocrine function. Conversely inhibin down regulates FSH synthesis and inhibits FSH secretion.Activins are nonglycosylated homodimers or heterodimers of various β subunits (βA, βB, βC, and βE in mammals), while Inhibins are heterodimers of a unique α subunit and one of the β subunits. Activin A is a widely expressed homodimer of two βA chains. The βA subunit can also heterodimerize with a βB or βC subunit to form Activin AB and Activin AC, respectively. The 14 kDa mature human βA chain shares 100% amino acid sequence identity with bovine, feline, mouse, porcine, and rat βA.

Product Specifications

Background

Specifications

This protein carries a polyhistidine tag at the N-terminus. The protein has a calculated MW of 45.9 kDa. The protein migrates as 15 kDa and 40-45 kDa under reducing (R) condition, and 24 kDa, 40-45 kDa and 60 kDa under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.

Accession Number

P08476-1

Expression Region

Ser 21 - Ser 426

Host

HEK293

Target

Activin A

Conjugation

Unconjugated

Tag

N-6xHis

Source

Human

Stability

-20°C to -70°C for 12 months in lyophilized state; -70°C for 3 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Endotoxin

1.0 EU per μg

Purity

95%

Bioactivity

Immobilized Human Latent Activin A, His Tag (Cat. No. ACA-H424x) at 10 μg/mL (100 μL/well) can bind Human ACVR2A, Fc Tag (Cat. No. ACA-H5269) with a linear range of 0.6-20 ng/mL (QC tested).