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Details of TopicalPdb ID 1305

PRIMARY INFORMATION
ID1305
PMID3624899
Year1987
SequenceSYSMEHFRWGKPV
NameAlpha-MSH (melanocyte-stimulating hormone)
Length13
N-Terminal ModificationFree
C-Terminal ModificationFree
Linear/ CyclicLinear
ChiralityL
Chemical ModificationNone
Origin of PeptideProteolytic cleavage product from ACTH which in turn is the cleavage product of POMC
Nature of Peptide/CargoStimulates melanogenesis
MechanismNot mentioned
Cargo Sequence/StructureNone
Name of cargo
Not applicable
AssayElectron microscopy and Light microscopy
EnhancerPEG ointment base vehicle was used
Properties of enhancerNot mentioned
ConcentrationPEG ointment base(26% PEG 400 and 74% PEG 3350 ) was liquified on heating.The melanotropins were dissolved in this vehicle and 0.5 ml aliquots, the amount to be applied daily to each animal, were divided before the vehicle resolidified.
Incubation time7 days
Tissue permeability (value with units)Concentrations (10-7 M-10-15 M) induced the emergent hairs to become brown at the sites of application.
Tissue Sampledorsal trunk of mice (C57BL/6JA y)
Ex vivo/In vivo/In vitroin vitro
SECONDARY INFORMATION
STRUCTURE
Predicted Structure
SMILESN[C@@H](CO)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CO)C(=O)N
[C@@H](CCSC)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](Cc1nc[nH]c1)C(=O)N[C@@H](Cc1ccccc1)C
(=O)N[C@@H](CCCNC(=[NH2])N)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C
(=O)NCC(=O)N[C@@H](CCCC[NH3])C(=O)N1CCC[C@H]1C(=O)N[C@@H](C(C)C)C=O