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2D Structure
Also known as: Neurotensin, 64088-62-6, 39379-15-2, (d-tyr11)-neurotensin, Mfcd00076685, Ls-15540
Molecular Formula
C78H121N21O20
Molecular Weight
1672.9  g/mol
InChI Key
PCJGZPGTCUMMOT-UHFFFAOYSA-N

A biologically active tridecapeptide isolated from the hypothalamus. It has been shown to induce hypotension in the rat, to stimulate contraction of guinea pig ileum and rat uterus, and to cause relaxation of rat duodenum. There is also evidence that it acts as both a peripheral and a central nervous system neurotransmitter.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
2-[[2-[[2-[[1-[2-[[2-[[1-[6-amino-2-[[4-amino-2-[[4-carboxy-2-[[3-(4-hydroxyphenyl)-2-[[4-methyl-2-[(5-oxopyrrolidine-2-carbonyl)amino]pentanoyl]amino]propanoyl]amino]butanoyl]amino]-4-oxobutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]-4-methylpentanoic acid
2.1.2 InChI
InChI=1S/C78H121N21O20/c1-7-43(6)63(73(115)96-57(76(118)119)37-42(4)5)97-70(112)55(39-45-21-25-47(101)26-22-45)95-72(114)59-18-13-35-99(59)75(117)52(16-11-33-86-78(83)84)90-64(106)48(15-10-32-85-77(81)82)89-71(113)58-17-12-34-98(58)74(116)51(14-8-9-31-79)91-69(111)56(40-60(80)102)94-66(108)50(28-30-62(104)105)88-68(110)54(38-44-19-23-46(100)24-20-44)93-67(109)53(36-41(2)3)92-65(107)49-27-29-61(103)87-49/h19-26,41-43,48-59,63,100-101H,7-18,27-40,79H2,1-6H3,(H2,80,102)(H,87,103)(H,88,110)(H,89,113)(H,90,106)(H,91,111)(H,92,107)(H,93,109)(H,94,108)(H,95,114)(H,96,115)(H,97,112)(H,104,105)(H,118,119)(H4,81,82,85)(H4,83,84,86)
2.1.3 InChI Key
PCJGZPGTCUMMOT-UHFFFAOYSA-N
2.1.4 Canonical SMILES
CCC(C)C(C(=O)NC(CC(C)C)C(=O)O)NC(=O)C(CC1=CC=C(C=C1)O)NC(=O)C2CCCN2C(=O)C(CCCN=C(N)N)NC(=O)C(CCCN=C(N)N)NC(=O)C3CCCN3C(=O)C(CCCCN)NC(=O)C(CC(=O)N)NC(=O)C(CCC(=O)O)NC(=O)C(CC4=CC=C(C=C4)O)NC(=O)C(CC(C)C)NC(=O)C5CCC(=O)N5
2.2 Synonyms
2.2.1 MeSH Synonyms

1. Neurotensin

2.2.2 Depositor-Supplied Synonyms

1. Neurotensin

2. 64088-62-6

3. 39379-15-2

4. (d-tyr11)-neurotensin

5. Mfcd00076685

6. Ls-15540

7. L024105

8. Q419576

9. Pyr-leu-tyr-glu-asn-lys-pro-arg-arg-pro-d-tyr-ile-leu-oh

10. (d-tyr11)-neurotensin (h-dl-pyr-dl-leu-dl-tyr-dl-glu-dl-asn-dl-lys-dl-pro-dl-arg-dl-arg-dl-pro-dl-tyr-dl-xiile-dl-leu-oh)

2.3 Create Date
2008-12-10
3 Chemical and Physical Properties
Molecular Weight 1672.9 g/mol
Molecular Formula C78H121N21O20
XLogP3-3.7
Hydrogen Bond Donor Count21
Hydrogen Bond Acceptor Count23
Rotatable Bond Count50
Exact Mass1671.90967533 g/mol
Monoisotopic Mass1671.90967533 g/mol
Topological Polar Surface Area674 Ų
Heavy Atom Count119
Formal Charge0
Complexity3530
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count14
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1