(2S)-2-[(2S)-2-{2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-4-carbamoyl-2-{[(2S)-5-oxopyrrolidin-2-yl]formamido}butanamido]pentanamido]-4-methylpentanamido]acetamido}-3-carbamoylpropanamido]-N-[(1S)-1-{[(1S)-1-{[(1S)-1-[({[(1S)-1-{[(1S)-1-{[(1S)-1-carbamoyl-3-(methylsulfanyl)propyl]carbamoyl}-3-methylbutyl]carbamoyl}-2-(1H-imidazol-5-yl)ethyl]carbamoyl}methyl)carbamoyl]-2-methylpropyl]carbamoyl}ethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]pentanediamide

• ChemBase ID: 155153
• Molecular Formular: C71H110N24O18S
• Molecular Mass: 1619.8481
• Monoisotopic Mass: 1618.8150638
• SMILES: C[C@@H](C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)N[C@@H](Cc1cnc[nH]1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N)NC(=O)[C@H](Cc1c[nH]c2c1cccc2)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](CC(=O)N)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@@H]1CCC(=O)N1
• Canonical SMILES: CSCC[C@@H](C(=O)N)NC(=O)[C@@H](NC(=O)[C@H](Cc1[nH]cnc1)NC(=O)CNC(=O)[C@H](C(C)C)NC(=O)[C@@H](NC(=O)[C@H](Cc1c[nH]c2c1cccc2)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H]1CCC(=O)N1)CCC(=O)N)CCCNC(=N)N)CC(C)C)CC(=O)N)CCC(=O)N)C)CC(C)C
• InChI: InChI=1S/C71H110N24O18S/c1-34(2)24-47(92-62(105)43(14-11-22-79-71(76)77)89-64(107)45(15-18-52(72)96)90-63(106)44-17-20-55(99)85-44)61(104)81-31-56(100)87-51(28-54(74)98)69(112)91-46(16-19-53(73)97)65(108)94-49(26-38-29-80-41-13-10-9-12-40(38)41)66(109)84-37(7)60(103)95-58(36(5)6)70(113)82-32-57(101)86-50(27-39-30-78-33-83-39)68(111)93-48(25-35(3)4)67(110)88-42(59(75)102)21-23-114-8/h9-10,12-13,29-30,33-37,42-51,58,80H,11,14-28,31-32H2,1-8H3,(H2,72,96)(H2,73,97)(H2,74,98)(H2,75,102)(H,78,83)(H,81,104)(H,82,113)(H,84,109)(H,85,99)(H,86,101)(H,87,100)(H,88,110)(H,89,107)(H,90,106)(H,91,112)(H,92,105)(H,93,111)(H,94,108)(H,95,103)(H4,76,77,79)/t37-,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,58-/m0/s1
• InChIKey: QXZBMSIDSOZZHK-DOPDSADYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (2S)-2-[(2S)-2-{2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-4-carbamoyl-2-{[(2S)-5-oxopyrrolidin-2-yl]formamido}butanamido]pentanamido]-4-methylpentanamido]acetamido}-3-carbamoylpropanamido]-N-[(1S)-1-{[(1S)-1-{[(1S)-1-[({[(1S)-1-{[(1S)-1-{[(1S)-1-carbamoyl-3-(methylsulfanyl)propyl]carbamoyl}-3-methylbutyl]carbamoyl}-2-(1H-imidazol-5-yl)ethyl]carbamoyl}methyl)carbamoyl]-2-methylpropyl]carbamoyl}ethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]pentanediamide
• IUPAC Traditional name: (2S)-2-[(2S)-2-{2-[(2S)-2-[(2S)-5-carbamimidamido-2-[(2S)-4-carbamoyl-2-{[(2S)-5-oxopyrrolidin-2-yl]formamido}butanamido]pentanamido]-4-methylpentanamido]acetamido}-3-carbamoylpropanamido]-N-[(1S)-1-{[(1S)-1-{[(1S)-1-[({[(1S)-1-{[(1S)-1-{[(1S)-1-carbamoyl-3-(methylsulfanyl)propyl]carbamoyl}-3-methylbutyl]carbamoyl}-2-(3H-imidazol-4-yl)ethyl]carbamoyl}methyl)carbamoyl]-2-methylpropyl]carbamoyl}ethyl]carbamoyl}-2-(1H-indol-3-yl)ethyl]pentanediamide
• Synonyms: pGlu-Gln-Arg-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-NH2; Bombesin acetate salt hydrate

Database IDs

• MDL Number: MFCD00167514
• Beilstein Number: 9611365
• PubChem SID: 162249291; 24891763
• PubChem CID: 16201612

CALCULATED PROPERTIES

• Acid pKa: 10.993571
• H Acceptors: 22
• H Donor: 23
• LogD (pH = 5.5): -12.399084
• LogD (pH = 7.4): -11.917642
• Log P: -10.019509
• Molar Refractivity: 418.9957 cm^3
• Polarizability: 160.03325 Å^3
• Polar Surface Area: 686.13 Å^2
• Rotatable Bonds: 51
• Lipinski's Rule of Five: false

PROPERTIES

Physical Property

• Solubility: 0.05 M acetic acid: soluble20 mg/mL, clear, colorless

Safety Information

• RTECS: BD3480000
• 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 ... GRP(2922); human ... GRPR(2925)

Product Information

• Purity: ≥80% peptide basis; ≥97% (HPLC); ≥97.0% (HPLC)
• Impurities: ≤6% acetate; ≤9% water
• Empirical Formula (Hill Notation): C71H110N24O18S · xC2H4O2 · yH2O

DETAILS

Sigma Aldrich - B4272

Amino Acid Sequence
Glp-Gln-Arg-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-NH2
Biochem/physiol Actions
Tetradecapeptide originally isolated from the skin of the frog Bombina bombina. Bombesin acts at specific brain nuclei to inhibit food intake. It also increases blood glucose levels.

Sigma Aldrich - 15560

Amino Acid Sequence
Glp-Gln-Arg-Leu-Gly-Asn-Gln-Trp-Ala-Val-Gly-His-Leu-Met-NH2
Other Notes
Mitogen which acts through the inositol lipid pathway1,2