biological source
human pregnancy urine
sterility
sterile-filtered
form
lyophilized powder
potency
~14,000 I.U. per mg
mol wt
37.9 kDa
packaging
vial of 1,000 IU
drug control
Home Office Schedule 4.2
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... CGB5(93659)
General description
Glycoprotein hormone consisting of a 92-amino acid α-chain which is identical to that of LH, FSH, and TSH; and a distinct 149-amino acid β-chain. Produced by chorionic tissue and responsible for maintaining the corpus luteum during early pregnancy. Also produced by trophoblast cell neoplasms, which are marked by elevated free hCG β-chains and hyperglycosylated hCG.
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