Relaxins are known endocrine and autocrine/paracrine hormones, belonging to the insulin gene superfamily. In the human there are three non allelic relaxin genes, RLN1, RLN2 and RLN3. RLN1 and RLN2 share high sequence homology. Relaxin is produced by the ovary, and targets the mammalian reproductive system to ripen the cervix, elongate the pubic symphysis and inhibit uterine contraction. It may have additional roles in enhancing sperm motility, regulating blood pressure, controlling heart rate and releasing oxytocin and vasopressin. The protein encoded by this gene is a member of the relaxin family. The active form of the encoded protein consists of an A chain and a B chain but their cleavage sites are not definitely described yet. It may play a role in neuropeptide signaling processes.
Function:
May play a role in neuropeptide signaling processes. Ligand for LGR7, relaxin-3 receptor-1 (GPCR135) and relaxin-3 receptor-2 (GPCR142).
Subunit:
Heterodimer of a B chain and an A chain linked by two disulfide bonds.
Subcellular Location:
Secreted.
Similarity:
Belongs to the insulin family.
SWISS:
Q8WXF3
Gene ID:
117579
Database links:
Entrez Gene: 117579 Human
Omim: 606855 Human
SwissProt: Q8WXF3 Human
Unigene: 352155 Human
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