API reference
Calcitonin salmon
- CAS number
- 135506-95-5
- Molecular formula
- C145H240N44O48S2
- Molecular weight
- 3,431.9 g/mol
About this molecule
Calcitonin is a 32-membered heterodetic cyclic peptide comprising the sequence Cys-Ser-Asn-Leu-Ser-Thr-Cys-Val-Leu-Gly-Lys-Leu-Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr-Asn-Thr-Gly-Ser-Gly-Thr-Pro-NH2 cyclised by a disulfide bridge between the two Cys residues at positions 1 and 7. It has a role as a metabolite and a bone density conservation agent. It is a polypeptide, a heterodetic cyclic peptide and a peptide hormone.
Source: ChEBI, via PubChem.
Identifiers
- IUPAC name
- (4S)-4-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[2-[[(2S)-2-[[(2S)-2-[[(4R,7S,10S,13S,16S,19S,22R)-22-amino-16-(2-amino-2-oxoethyl)-7-[(1R)-1-hydroxyethyl]-10,19-bis(hydroxymethyl)-13-(2-methylpropyl)-6,9,12,15,18,21-hexaoxo-1,2-dithia-5,8,11,14,17,20-hexazacyclotricosane-4-carbonyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-3-hydroxypropanoyl]amino]-5-oxopentanoyl]amino]-5-[[(2S)-1-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-1-[[(2S)-5-amino-1-[[(2S,3R)-1-[[(2S)-1-[(2S)-2-[[(2S)-1-[[(2S,3R)-1-[[(2S)-4-amino-1-[[(2S,3R)-1-[[2-[[(2S)-1-[[2-[[(2S,3R)-1-[(2S)-2-carbamoylpyrrolidin-1-yl]-3-hydroxy-1-oxobutan-2-yl]amino]-2-oxoethyl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-5-carbamimidamido-1-oxopentan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-5-oxopentanoic acid
- InChIKey
- BBBFJLBPOGFECG-VJVYQDLKSA-N
- SMILES
- C[C@H]([C@H]1C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CO)CC(C)C)CC(=O)N)CO)N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC2=CN=CN2)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC3=CC=C(C=C3)O)C(=O)N4CCC[C@H]4C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N5CCC[C@H]5C(=O)N)O
- Other CAS numbers recorded
- 47931-85-1
- PubChem CID
- 16220016
Also known as
Calcitonin (salmon) · Salmon calcitonin · CALCITONIN, SALMON · Calcitonin-salmon · Calcimar · Tonocalcin · Calcitonin,salmon · Forcaltonin
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