Activin A Protein, Human,specification,price,image-Bio-Equip in China

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Product Specification

Species	Human
Synonyms	Activin A蛋白；INHBA蛋白;Inhibin beta A chain; INHBA; Activin A
Accession	P08476
Amino Acid Sequence	Gly311-Ser426
Expression System	HEK293
Molecular Weight	15 KDa, reducing conditions
Purity	>95% by SDS-PAGE
Endotoxin	<1EU/μg
Conjugation	Unconjugated
Tag	No Tag
Physical Appearance	Lyophilized Powder
Storage Buffer	Lyophilized from a 0.2 μm filtered solution of 4mM HCl.
Reconstitution	Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100 μg/ml. Dissolve the lyophilized protein in ddH2O. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Stability & Storage	Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.

Background

Activin and inhibin are two closely related protein complexes that have almost directly opposite biological effects. Activins, members of the TGF-beta superfamily, are disulfide-linked dimeric proteins originally purified from gonadal fluids as proteins that stimulated pituitary follicle stimulating hormone (FSH) release. Inhibins/activins are involved in regulating a number of diverse functions such as hypothalamic and pituitary hormone secretion, gonadal hormone secretion, germ cell development and maturation, erythroid differentiation, insulin secretion, nerve cell survival, embryonic axial development or bone growth, depending on their subunit composition. Activins are homodimers or heterodimers of the various beta subunit isoforms, while inhibins are heterodimers of a unique alpha subunit and one of the various beta subunits.