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Description
Activin A Protein, HumanProduct Specification Species Human Synonyms Activin A protein; INHBA protein; 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 g Conjugation Unconjugated Tag No Tag Physical Appearance Lyophilized Powder Storage Buffer Lyophilized from a 0. 2 m filtered solution of 4mM HCl. Reconstitution Always
Product Specification
| Species | Human |
| Synonyms | Activin A protein; INHBA protein;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.
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