Deltorphin I

Deltorphin I
Names
IUPAC names
(3S)-3-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-(4-hydroxyphenyl)propanamido]propanamido]-3-phenylpropanamido]-3-{[(1S)-1-{[(1S)-1-[(carbamoylmethyl)carbamoyl]-2-methylpropyl]carbamoyl}-2-methylpropyl]carbamoyl}propanoic acid
or
L-tyrosyl-D-alanyl-L-phenylalanyl-L-α-aspartyl-L-valyl-L-valylglycinamide
Other names
[D-Ala2]Deltorphin I; Deltorphin C
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
  • InChI=1S/C37H52N8O10/c1-19(2)30(36(54)40-18-28(39)47)45-37(55)31(20(3)4)44-35(53)27(17-29(48)49)43-34(52)26(16-22-9-7-6-8-10-22)42-32(50)21(5)41-33(51)25(38)15-23-11-13-24(46)14-12-23/h6-14,19-21,25-27,30-31,46H,15-18,38H2,1-5H3,(H2,39,47)(H,40,54)(H,41,51)(H,42,50)(H,43,52)(H,44,53)(H,45,55)(H,48,49)/t21-,25+,26+,27+,30+,31+/m1/s1
    Key: CJAORFIPPWIGPG-QXYJMILXSA-N
  • InChI=1/C37H52N8O10/c1-19(2)30(36(54)40-18-28(39)47)45-37(55)31(20(3)4)44-35(53)27(17-29(48)49)43-34(52)26(16-22-9-7-6-8-10-22)42-32(50)21(5)41-33(51)25(38)15-23-11-13-24(46)14-12-23/h6-14,19-21,25-27,30-31,46H,15-18,38H2,1-5H3,(H2,39,47)(H,40,54)(H,41,51)(H,42,50)(H,43,52)(H,44,53)(H,45,55)(H,48,49)/t21-,25+,26+,27+,30+,31+/m1/s1
    Key: CJAORFIPPWIGPG-QXYJMILXBS
  • O=C(N)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H](NC(=O)[C@@H](N)Cc1ccc(O)cc1)C)Cc2ccccc2)CC(=O)O)C(C)C)C(C)C
Properties
C37H52N8O10
Molar mass 768.856 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Deltorphin I, also known as [D-Ala2]deltorphin I or deltorphin C, is a naturally occurring, exogenous opioid heptapeptide and hence, exorphin, with the amino acid sequence Tyr-D-Ala-Phe-Asp-Val-Val-Gly-NH2. While not known to be endogenous to humans or other mammals, deltorphin I, along with the other deltorphins and the dermorphins, is produced naturally in the skin of species of Phyllomedusa, a genus of frogs native to South and Central America. Deltorphin possesses very high affinity and selectivity as an agonist for the δ-opioid receptor, and on account of its unusually high blood-brain-barrier penetration rate, produces centrally-mediated analgesic effects in animals even when administered peripherally.

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