Metastin (45-54)

Metastin (45-54) is a 10 amino acid peptide that corresponds to the bioactive C-terminal 45-54 amino acids of metastin, a metastasis suppressor gene product. It acts as a potent agonist of GPR54 (OT7T175, AXOR12), with approximately 8-fold higher binding affinity than metastin (Ki values of 0.042 and 0.34 nM, respectively, for displacement of metastin (40-54)). Metastin (45-54) induces calcium mobilization in GPR54-transfected cells (EC50 = 0.18-1.1 nM). It inhibits the migration of GPR54-transfected CHO cells at concentrations of 10-100 nM, equaling the potency of full length metastin.Formal Name: L-tyrosyl-L-asparaginyl-L-tryptophyl-L-asparaginyl-L-seryl-L-phenylalanylglycyl-L-leucyl-L-arginyl-L-phenylalaninamide. CAS Number: 374675-21-5. Synonyms: Kisspeptin-10 (human), Kp-10 (human). Molecular Formula: C63H83N17O14. Formula Weight: 1302.5. Purity: >98%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 15 mg/ml, DMSO: 15 mg/ml, DMSO:PBS(pH 7.2) (1:2): 0.33 mg/ml. lambdamax: 278 nm. SMILES: O=C(N[C@@H](CC(N)=O)C(N[C@@H](CO)C(N[C@H](C(NCC(N[C@@H](CC(C)C)C(N[C@@H](CCCNC(N)=N)C(N[C@H](C(N)=O)CC1=CC=CC=C1)=O)=O)=O)=O)CC2=CC=CC=C2)=O)=O)[C@@H](NC([C@H](CC(N)=O)NC([C@@H](N)CC3=CC=C(O)C=C3)=O)=O)CC4=CNC5=CC=CC=C45. InChi Code: InChI=1S/C63H83N17O14/c1-34(2)24-45(58(90)74-43(18-11-23-70-63(68)69)57(89)75-44(54(67)86)26-35-12-5-3-6-13-35)73-53(85)32-72-56(88)46(27-36-14-7-4-8-15-36)77-62(94)50(33-81)80-61(93)49(30-52(66)84)79-59(91)47(28-38-31-71-42-17-10-9-16-40(38)42)78-60. InChi Key: RITKWYDZSSQNJI-INXYWQKQSA-N.