(3S)-3-[(2S)-2-[(2S)-2-{[(1R,4S,7S,10S,13S,16S,19S,22S,25R,28S,31R,36R,39S,42S,45S)-31-amino-7-(4-aminobutyl)-39-benzyl-4-(2-carboxyethyl)-10-(carboxymethyl)-19,22,28-tris(hydroxymethyl)-42-[(4-hydroxyphenyl)methyl]-16-(2-methylpropyl)-13-[2-(methylsulfanyl)ethyl]-3,6,9,12,15,18,21,24,27,30,38,41,44,47-tetradecaoxo-45-(propan-2-yl)-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-methylpentanamido]-3-{[(1S,2S)-1-{[(1S,2S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-methylbutyl]carbamoyl}-2-methylbutyl]carbamoyl}propanoic acid

• ChemBase ID: 156728
• Molecular Formular: C109H159N25O32S5
• Molecular Mass: 2491.90206
• Monoisotopic Mass: 2490.01865305
• SMILES: CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@H](C)CC)C(=O)N[C@@H](Cc1c[nH]c2c1cccc2)C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](Cc1cnc[nH]1)NC(=O)[C@@H]1CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H]2CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)Cc1ccccc1)Cc1ccc(cc1)O)C(C)C)NC(=O)[C@@H](NC(=O)[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC2=O)CO)CO)CC(C)C)CCSC)CC(=O)O)CCCCN)CCC(=O)O)CO)N
• Canonical SMILES: NCCCC[C@H]1NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCSC)NC(=O)[C@@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@@H]2CSSC[C@H](NC(=O)[C@@H](NC1=O)CCC(=O)O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](Cc1ccc(cc1)O)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N2)CO)N)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)O)Cc1c[nH]c2c1cccc2)[C@@H](CC)C)[C@H](CC)C)CC(=O)O)CC(C)C)Cc1cnc[nH]1)CO
• InChI: InChI=1S/C109H159N25O32S5/c1-12-56(9)87(107(163)125-76(109(165)166)39-60-43-113-65-24-18-17-23-63(60)65)134-108(164)88(57(10)13-2)133-99(155)75(42-85(143)144)123-94(150)70(36-54(5)6)118-97(153)73(40-61-44-112-52-114-61)121-103(159)80-49-169-168-48-64(111)89(145)126-77(45-135)102(158)131-81-50-170-171-51-82(105(161)132-86(55(7)8)106(162)124-72(38-59-26-28-62(138)29-27-59)95(151)120-71(96(152)130-80)37-58-21-15-14-16-22-58)129-91(147)67(30-31-83(139)140)116-90(146)66(25-19-20-33-110)115-98(154)74(41-84(141)142)122-92(148)68(32-34-167-11)117-93(149)69(35-53(3)4)119-100(156)78(46-136)127-101(157)79(47-137)128-104(81)160/h14-18,21-24,26-29,43-44,52-57,64,66-82,86-88,113,135-138H,12-13,19-20,25,30-42,45-51,110-111H2,1-11H3,(H,112,114)(H,115,154)(H,116,146)(H,117,149)(H,118,153)(H,119,156)(H,120,151)(H,121,159)(H,122,148)(H,123,150)(H,124,162)(H,125,163)(H,126,145)(H,127,157)(H,128,160)(H,129,147)(H,130,152)(H,131,158)(H,132,161)(H,133,155)(H,134,164)(H,139,140)(H,141,142)(H,143,144)(H,165,166)/t56-,57-,64-,66-,67-,68-,69-,70-,71-,72-,73-,74-,75-,76-,77-,78-,79-,80-,81-,82-,86-,87-,88-/m0/s1
• InChIKey: ZUBDGKVDJUIMQQ-ZTNLKOGPSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (3S)-3-[(2S)-2-[(2S)-2-{[(1R,4S,7S,10S,13S,16S,19S,22S,25R,28S,31R,36R,39S,42S,45S)-31-amino-7-(4-aminobutyl)-39-benzyl-4-(2-carboxyethyl)-10-(carboxymethyl)-19,22,28-tris(hydroxymethyl)-42-[(4-hydroxyphenyl)methyl]-16-(2-methylpropyl)-13-[2-(methylsulfanyl)ethyl]-3,6,9,12,15,18,21,24,27,30,38,41,44,47-tetradecaoxo-45-(propan-2-yl)-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-methylpentanamido]-3-{[(1S,2S)-1-{[(1S,2S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-methylbutyl]carbamoyl}-2-methylbutyl]carbamoyl}propanoic acid
• IUPAC Traditional name: (3S)-3-[(2S)-2-[(2S)-2-{[(1R,4S,7S,10S,13S,16S,19S,22S,25R,28S,31R,36R,39S,42S,45S)-31-amino-7-(4-aminobutyl)-39-benzyl-4-(2-carboxyethyl)-10-(carboxymethyl)-19,22,28-tris(hydroxymethyl)-42-[(4-hydroxyphenyl)methyl]-45-isopropyl-16-(2-methylpropyl)-13-[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-methylpentanamido]-3-{[(1S,2S)-1-{[(1S,2S)-1-{[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]carbamoyl}-2-methylbutyl]carbamoyl}-2-methylbutyl]carbamoyl}propanoic acid
• Synonyms: ET-1; Endothelin 1

Database IDs

• CAS Number: 117399-94-7
• MDL Number: MFCD00133305
• PubChem SID: 162250865; 24868658
• PubChem CID: 16212950

CALCULATED PROPERTIES

• Acid pKa: 3.0047917
• H Acceptors: 35
• H Donor: 32
• LogD (pH = 5.5): -13.957718
• LogD (pH = 7.4): -17.035076
• Log P: -11.606949
• Molar Refractivity: 624.115 cm^3
• Polarizability: 245.92288 Å^3
• Polar Surface Area: 908.63 Å^2
• Rotatable Bonds: 47
• Lipinski's Rule of Five: false

PROPERTIES

Safety Information

• RTECS: KE9446500
• 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 ... EDN1(1906)

Product Information

• Purity: ≥97.0% (HPLC)
• Empirical Formula (Hill Notation): C109H159N25O32S5

DETAILS

Sigma Aldrich - 45187

Amino Acid Sequence
Cys-Ser-Cys-Ser-Ser-Leu-Met-Asp-Lys-Glu-Cys-Val-Tyr-Phe-Cys-His-Leu-Asp-Ile-Ile-Trp [Disulfide Bridges: 1-15; 3-11]
Other Notes
A synthetic peptide with the sequence of human and porcine Endothelin 1.
Review. Endothelins as regulators of vascular tone in man1
Biochem/physiol Actions
Potent agonist for ETA and ETB endothelin receptors. Induces the production of hypoxia-inducible factor 1α, and, thus, the production of VEGF.