Neurotensin

Neurotensin is a 13 amino acid neuropeptide that is implicated in the regulation of luteinizing hormone and prolactin release and has significant interaction with the dopaminergic system. Neurotensin was first isolated from extracts of bovine hypothalamus based on its ability to cause a visible vasodilation in the exposed cutaneous regions of anesthetized rats.

neurotensin
Identifiers
Aliasespro-neurotensin/neuromedinneurotensin/neuromedin NNTNTS(151-163)
External IDsGeneCards:
Orthologs
SpeciesHumanMouse
Entrez

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Ensembl

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UniProt

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RefSeq (mRNA)

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RefSeq (protein)

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Location (UCSC)n/an/a
PubMed searchn/an/a
Wikidata
View/Edit Human
Neurotensin/neuromedin N precursor
Identifiers
SymbolPro-NT_NN
PfamPF07421
InterProIPR008055
OPM superfamily257
OPM protein2oyv
Available protein structures:
Pfam  structures / ECOD  
PDBRCSB PDB; PDBe; PDBj
PDBsumstructure summary
Neurotensin
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
UNII
  • 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)/t43-,48-,49-,50-,51-,52-,53-,54-,55-,56-,57-,58-,59-,63-/m0/s1 N
    Key: PCJGZPGTCUMMOT-ISULXFBGSA-N N
  • InChI=1/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)/t43-,48-,49-,50-,51-,52-,53-,54-,55-,56-,57-,58-,59-,63-/m0/s1
  • CC[C@H](C)[C@@H](/C(=N/[C@@H](CC(C)C)C(=O)O)/O)/N=C(/[C@H](Cc1ccc(cc1)O)/N=C(/[C@@H]2CCCN2C(=O)[C@H](CCCNC(=N)N)/N=C(/[C@H](CCCNC(=N)N)/N=C(/[C@@H]3CCCN3C(=O)[C@H](CCCCN)/N=C(/[C@H](CC(=N)O)/N=C(/[C@H](CCC(=O)O)/N=C(/[C@H](Cc4ccc(cc4)O)/N=C(\[C@H](CC(C)C)/N=C(\[C@@H]5CCC(=N5)O)/O)/O)\O)\O)\O)\O)\O)\O)\O
Properties
C78H121N21O20
Molar mass 1672.92
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Neurotensin is distributed throughout the central nervous system, with highest levels in the hypothalamus, amygdala and nucleus accumbens. It induces a variety of effects, including analgesia, hypothermia and increased locomotor activity. It is also involved in regulation of dopamine pathways. In the periphery, neurotensin is found in enteroendocrine cells of the small intestine, where it leads to secretion and smooth muscle contraction.

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