3-[2-(2-{[31-amino-39-benzyl-22,42-bis(carbamoylmethyl)-4,7-bis(2-carboxyethyl)-10,19-bis(carboxymethyl)-13,28-bis(1-hydroxyethyl)-45-(2-methylpropyl)-16-[2-(methylsulfanyl)ethyl]-3,6,9,12,15,18,21,24,27,30,38,41,44,47-tetradecaoxo-33,34,49,50-tetrathia-2,5,8,11,14,17,20,23,26,29,37,40,43,46-tetradecaazabicyclo[23.22.4]henpentacontan-36-yl]formamido}-3-(1H-imidazol-5-yl)propanamido)-4-carbamoylbutanamido]-3-({1-[(1-{[1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-methylbutyl)carbamoyl]-2-methylpropyl}carbamoyl)propanoic acid

• ChemBase ID: 131667
• Molecular Formular: C103H147N27O37S5
• Molecular Mass: 2515.75298
• Monoisotopic Mass: 2513.90547378
• SMILES: CCC(C)C(C(=O)NC(Cc1c[nH]c2c1cccc2)C(=O)O)NC(=O)C(C(C)C)NC(=O)C(CC(=O)O)NC(=O)C(CCC(=O)N)NC(=O)C(Cc1cnc[nH]1)NC(=O)C1CSSCC(C(=O)NC(C(=O)NC2CSSCC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)N1)Cc1ccccc1)CC(=O)N)CC(C)C)NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC2=O)CC(=O)N)CC(=O)O)CCSC)C(C)O)CC(=O)O)CCC(=O)O)CCC(=O)O)C(C)O)N
• Canonical SMILES: CSCCC1NC(=O)C(CC(=O)O)NC(=O)C(CC(=O)N)NC(=O)C2CSSCC(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC1=O)C(O)C)CC(=O)O)CCC(=O)O)CCC(=O)O)C(=O)NC(CC(C)C)C(=O)NC(CC(=O)N)C(=O)NC(C(=O)NC(CSSCC(C(=O)NC(C(=O)N2)C(O)C)N)C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)O)Cc1c[nH]c2c1cccc2)C(CC)C)C(C)C)CC(=O)O)CCC(=O)N)Cc1[nH]cnc1)Cc1ccccc1
• InChI: InChI=1S/C103H147N27O37S5/c1-10-46(6)80(100(163)123-67(103(166)167)30-50-37-109-54-19-15-14-18-52(50)54)128-99(162)79(45(4)5)127-95(158)66(36-78(144)145)120-85(148)55(20-23-71(105)133)112-90(153)61(31-51-38-108-43-110-51)117-97(160)69-40-170-169-39-53(104)83(146)129-81(47(7)131)102(165)126-70-42-172-171-41-68(96(159)115-59(28-44(2)3)88(151)118-62(32-72(106)134)91(154)116-60(89(152)125-69)29-49-16-12-11-13-17-49)124-86(149)57(22-25-75(138)139)111-84(147)56(21-24-74(136)137)113-94(157)65(35-77(142)143)122-101(164)82(48(8)132)130-87(150)58(26-27-168-9)114-93(156)64(34-76(140)141)121-92(155)63(33-73(107)135)119-98(70)161/h11-19,37-38,43-48,53,55-70,79-82,109,131-132H,10,20-36,39-42,104H2,1-9H3,(H2,105,133)(H2,106,134)(H2,107,135)(H,108,110)(H,111,147)(H,112,153)(H,113,157)(H,114,156)(H,115,159)(H,116,154)(H,117,160)(H,118,151)(H,119,161)(H,120,148)(H,121,155)(H,122,164)(H,123,163)(H,124,149)(H,125,152)(H,126,165)(H,127,158)(H,128,162)(H,129,146)(H,130,150)(H,136,137)(H,138,139)(H,140,141)(H,142,143)(H,144,145)(H,166,167)
• InChIKey: LXPHPKVWHQLBBA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 3-[2-(2-{[31-amino-39-benzyl-22,42-bis(carbamoylmethyl)-4,7-bis(2-carboxyethyl)-10,19-bis(carboxymethyl)-13,28-bis(1-hydroxyethyl)-45-(2-methylpropyl)-16-[2-(methylsulfanyl)ethyl]-3,6,9,12,15,18,21,24,27,30,38,41,44,47-tetradecaoxo-33,34,49,50-tetrathia-2,5,8,11,14,17,20,23,26,29,37,40,43,46-tetradecaazabicyclo[23.22.4]henpentacontan-36-yl]formamido}-3-(1H-imidazol-5-yl)propanamido)-4-carbamoylbutanamido]-3-({1-[(1-{[1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-methylbutyl)carbamoyl]-2-methylpropyl}carbamoyl)propanoic acid
• IUPAC Traditional name: 3-[2-(2-{[31-amino-39-benzyl-22,42-bis(carbamoylmethyl)-4,7-bis(2-carboxyethyl)-10,19-bis(carboxymethyl)-13,28-bis(1-hydroxyethyl)-45-(2-methylpropyl)-16-[2-(methylsulfanyl)ethyl]-3,6,9,12,15,18,21,24,27,30,38,41,44,47-tetradecaoxo-33,34,49,50-tetrathia-2,5,8,11,14,17,20,23,26,29,37,40,43,46-tetradecaazabicyclo[23.22.4]henpentacontan-36-yl]formamido}-3-(3H-imidazol-4-yl)propanamido)-4-carbamoylbutanamido]-3-({1-[(1-{[1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-methylbutyl)carbamoyl]-2-methylpropyl}carbamoyl)propanoic acid
• Synonyms: SRTX-c; Sarafotoxin S6c

Database IDs

• CAS Number: 121695-87-2
• MDL Number: MFCD00161501
• PubChem SID: 162225944; 24899710
• PubChem CID: 16132429

CALCULATED PROPERTIES

• Acid pKa: 2.8225758
• H Acceptors: 39
• H Donor: 34
• LogD (pH = 5.5): -24.122797
• LogD (pH = 7.4): -31.278822
• Log P: -16.129152
• Molar Refractivity: 605.3802 cm^3
• Polarizability: 238.75833 Å^3
• Polar Surface Area: 1046.02 Å^2
• Rotatable Bonds: 48
• Lipinski's Rule of Five: false

PROPERTIES

Safety Information

• German water hazard class: 3
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• Storage Temperature: -20°C

Pharmacology Properties

• Gene Information: human ... EDNRB(1910)mouse ... EDNRB(13618)rat ... EDNRB(50672); human ... OXT(5020)

Product Information

• Purity: ≥97% (HPLC)

DETAILS

Sigma Aldrich - S172

Amino Acid Sequence
Cys-Thr-Cys-Asn-Asp-Met-Thr-Asp-Glu-Glu-Cys-Leu-Asn-Phe-Cys-His-Gln-Asp-Val-Ile-Trp [Disulfide Bridges: 1-15, 3-11]

Sigma Aldrich - S6545

Amino Acid Sequence
Cys-Thr-Cys-Asn-Asp-Met-Thr-Asp-Glu-Glu-Cys-Leu-Asn-Phe-Cys-His-Gln-Asp-Val-Ile-Trp [Disulfide Bridges: 1-15, 3-11]
Biochem/physiol Actions
ETB agonist; toxin with strong vasoconstrictor activity