Relaxin

Relaxin is a protein hormone of about 6000 Da, first described in 1926 by Frederick Hisaw.

Relaxin 1
Identifiers
SymbolRLN1
Alt. symbolsH1
NCBI gene6013
HGNC10026
OMIM179730
RefSeqNM_006911
UniProtP04808
Other data
LocusChr. 9 qter-q12
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StructuresSwiss-model
DomainsInterPro
Relaxin 2
Identifiers
SymbolRLN2
Alt. symbolsH2, RLXH2, bA12D24.1.1, bA12D24.1.2
NCBI gene6019
HGNC10027
OMIM179740
PDB6RLX
RefSeqNM_134441
UniProtP04090
Other data
LocusChr. 9 qter-q12
Search for
StructuresSwiss-model
DomainsInterPro
Relaxin 3
Identifiers
SymbolRLN3
Alt. symbolsZINS4, RXN3, H3
NCBI gene117579
HGNC17135
OMIM606855
RefSeqNM_080864
UniProtQ8WXF3
Other data
LocusChr. 19 p13.3
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StructuresSwiss-model
DomainsInterPro

The relaxin family peptide hormones belong to the insulin superfamily and consists of seven peptides of high structural but low sequence similarity; relaxin-1 (RLN1), 2 (RLN2) and 3 (RLN3), and the insulin-like (INSL) peptides, INSL3, INSL4, INSL5 and INSL6. The functions of relaxin-3, INSL4, INSL5, and INSL6 remain uncharacterised.

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