atosiban   Click here for help

GtoPdb Ligand ID: 2213

Synonyms: Antocin® | d[D-Tyr(Et)2,Thr4,Orn8]vasotocin | d[D-Tyr(Et)2,Thr4]OVT | ORF22164 | RWJ 22164 | Tractocile®
Approved drug
atosiban is an approved drug (EMA (2000))
Comment: A synthetic analogue of oxytocin. There is some ambiguity over the exact stereochemistry of atosiban. Another representation is CID 68613.
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2D Structure
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SMILES / InChI / InChIKey
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Canonical SMILES NCCCC(C(=O)NCC(=O)N)NC(=O)C1CCCN1C(=O)C1CSSCCC(=O)NC(Cc2ccc(cc2)OCC)C(=O)NC(C(=O)NC(C(=O)NC(C(=O)N1)CC(=O)N)C(O)C)C(CC)C
Isomeric SMILES NCCC[C@@H](C(=O)NCC(=O)N)NC(=O)[C@@H]1CCCN1C(=O)[C@@H]1CSSCCC(=O)N[C@H](Cc2ccc(cc2)OCC)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CC(=O)N)[C@H](O)C)[C@H](CC)C
InChI InChI=1S/C43H67N11O12S2/c1-5-23(3)35-41(63)53-36(24(4)55)42(64)50-29(20-32(45)56)38(60)51-30(43(65)54-17-8-10-31(54)40(62)49-27(9-7-16-44)37(59)47-21-33(46)57)22-68-67-18-15-34(58)48-28(39(61)52-35)19-25-11-13-26(14-12-25)66-6-2/h11-14,23-24,27-31,35-36,55H,5-10,15-22,44H2,1-4H3,(H2,45,56)(H2,46,57)(H,47,59)(H,48,58)(H,49,62)(H,50,64)(H,51,60)(H,52,61)(H,53,63)/t23-,24+,27-,28+,29-,30-,31-,35-,36-/m0/s1
InChI Key VWXRQYYUEIYXCZ-OBIMUBPZSA-N
Selectivity at GPCRs
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
V1A receptor Hs Antagonist Antagonist 8.3 – 8.5 pKi - 1-2,5-6
pKi 8.3 – 8.5 [1-2,5-6]
OT receptor Rn Antagonist Antagonist 7.1 pKi - 2
pKi 7.1 [2]
OT receptor Hs Antagonist Antagonist 6.0 – 7.6 pKi - 1-2,4-6
pKi 6.0 – 7.6 [1-2,4-6]
V1B receptor Hs Antagonist Antagonist 6.2 – 6.6 pKi - 2,6
pKi 6.2 – 6.6 [2,6]
V2 receptor Hs Antagonist Antagonist 5.5 – 6.0 pKi - 2,6
pKi 5.5 – 6.0 [2,6]