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gosicalcetide   Click here for help

GtoPdb Ligand ID: 14380

Synonyms: N-acetyl-S-(L-cystein-S-yl)-D-cysteinyl-D-arginyl-D-arginyl-(2R)-2-aminobutanoyl-D-arginyl-D-alanyl-D-argininamide
Compound class: Peptide
Comment: The chemical structure for gosicalcetide was obtained from WHO INN proposed list 134 (Feb 2026) in which it is described as a calcium sensing receptor (CaSR) agonist. It is one of the claims in patent WO2022257958 (Beijing Tuojie Biomedical Technology) [1]. This may be the INN for their CaSR clinical lead BJTJ-0002.
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2D Structure
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SMILES / InChI / InChIKey
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Canonical SMILES CC[C@H](C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](C)C(=O)N[C@H](CCCNC(=N)N)C(=O)N)NC(=O)[C@@H](CCCNC(=N)N)NC(=O)[C@@H](CCCNC(=N)N)NC(=O)[C@@H](CSSC[C@@H](C(=O)O)N)NC(=O)C
Isomeric SMILES [C@@H](C(N[C@@H](C(N[C@@H](C(N[C@@H](C(N[C@@H](C(N[C@H](CCCNC(=N)N)C(N)=O)=O)C)=O)CCCNC(=N)N)=O)CC)=O)CCCNC(=N)N)=O)(NC([C@@H](CSSC[C@@H](C(O)=O)N)NC(C)=O)=O)CCCNC(=N)N
InChI InChI=1S/C39H75N21O10S2/c1-4-22(30(64)58-24(10-6-14-51-37(44)45)31(65)54-19(2)29(63)57-23(28(41)62)9-5-13-50-36(42)43)56-32(66)25(11-7-15-52-38(46)47)59-33(67)26(12-8-16-53-39(48)49)60-34(68)27(55-20(3)61)18-72-71-17-21(40)35(69)70/h19,21-27H,4-18,40H2,1-3H3,(H2,41,62)(H,54,65)(H,55,61)(H,56,66)(H,57,63)(H,58,64)(H,59,67)(H,60,68)(H,69,70)(H4,42,43,50)(H4,44,45,51)(H4,46,47,52)(H4,48,49,53)/t19-,21+,22-,23-,24-,25-,26-,27-/m1/s1
InChI Key BLKUIBIIUQCYJP-SCMFJFGHSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Summary of Clinical Use Click here for help
BJTJ-0002 is a clinical candidate for the treatment of secondary hyperparathyroidism.