Tricyclic peptide MS-271

(2S)-2-[[(2S)-2-[[(1S,4S,7R,13S,19R,22S,25R,28S,31R,36S,39S,45S,51S,54S,60S)-60-(2-amino-2-oxoethyl)-4-benzyl-25-[(2S)-butan-2-yl]-39-(hydroxymethyl)-19-[(4-hydroxyphenyl)methyl]-7,22-dimethyl-51-(2-methylpropyl)-2,5,8,11,14,17,20,23,26,29,38,41,44,47,50,53,56,59,62-nonadecaoxo-28,45-di(propan-2-yl)-33,34,64,65-tetrathia-3,6,9,12,15,18,21,24,27,30,37,40,43,46,49,52,55,58,61-nonadecazatricyclo[34.21.5.413,54]hexahexacontane-31-carbonyl]amino]-3-phenylpropanoyl]amino]-3-(1H-indol-3-yl)propanoic acid

MS-271; Siamycin I; Cys-Leu-Gly-Val-Gly-Ser-Cys-Asn-Asn-Phe-Ala-Gly-Cys-Gly-Tyr-Ala-Ile-Val-Cys-Phe-Trp

NH2(1)-C(2)LGVGSC(3)ND(1)FAGC(2)GYAIVC(3)FW

Store at -20°C

InChI=1S/C97H131N23O26S4/c1-11-50(8)80-96(144)119-79(49(6)7)95(143)117-71(93(141)112-63(32-54-22-16-13-17-23-54)87(135)115-66(97(145)146)34-56-37-99-59-25-19-18-24-58(56)59)46-150-149-45-70-92(140)113-64(35-72(98)123)88(136)114-65-36-73(124)108-69(91(139)110-60(30-47(2)3)83(131)101-41-77(128)118-78(48(4)5)94(142)103-40-75(126)107-67(42-121)90(138)116-70)44-148-147-43-68(109-76(127)38-100-81(129)51(9)104-86(134)62(111-89(65)137)31-53-20-14-12-15-21-53)84(132)102-39-74(125)106-61(33-55-26-28-57(122)29-27-55)85(133)105-52(10)82(130)120-80/h12-29,37,47-52,60-71,78-80,99,121-122H,11,30-36,38-46H2,1-10H3,(H2,98,123)(H,100,129)(H,101,131)(H,102,132)(H,103,142)(H,104,134)(H,105,133)(H,106,125)(H,107,126)(H,108,124)(H,109,127)(H,110,139)(H,111,137)(H,112,141)(H,113,140)(H,114,136)(H,115,135)(H,116,138)(H,117,143)(H,118,128)(H,119,144)(H,120,130)(H,145,146)/t50-,51+,52-,60-,61+,62-,63-,64-,65-,66-,67-,68+,69+,70+,71-,78-,79-,80+/m0/s1

TXYRKTDGDMHVHR-POXCZHPVSA-N

CCC(C)C1C(=O)NC(C(=O)NC(CSSCC2C(=O)NC(C(=O)NC3CC(=O)NC(CSSCC(C(=O)NCC(=O)NC(C(=O)NC(C(=O)N1)C)CC4=CC=C(C=C4)O)NC(=O)CNC(=O)C(NC(=O)C(NC3=O)CC5=CC=CC=C5)C)C(=O)NC(C(=O)NCC(=O)NC(C(=O)NCC(=O)NC(C(=O)N2)CO)C(C)C)CC(C)C)CC(=O)N)C(=O)NC(CC6=CC=CC=C6)C(=O)NC(CC7=CNC8=CC=CC=C87)C(=O)O)C(C)C