L-Lysyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-α-glutamyl-L-threonyl-L-glutamine
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L-Lysyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-α-glutamyl-L-threonyl-L-glutamine

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L-Lysyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-α-glutamyl-L-threonyl-L-glutamine is a bioactive peptide known for its anti-aging and skin-firming effects, widely used as a cosmetic ingredient. It helps reduce wrinkles and enhance skin elasticity by promoting collagen production and through other mechanisms.

Category
Cosmetic Peptides
Catalog number
BAT-016691
CAS number
1054611-00-5
Molecular Formula
C42H78N12O14
Molecular Weight
975.16
L-Lysyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-α-glutamyl-L-threonyl-L-glutamine
IUPAC Name
(2S)-5-amino-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]hexanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]-3-hydroxybutanoyl]amino]-5-oxopentanoic acid
Synonyms
L-Glutamine, L-lysyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-α-glutamyl-L-threonyl-; H-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-OH; L-lysyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-alpha-glutamyl-L-threonyl-L-glutamine; H-KLKKTETQ-OH; KLKKTETQ
Appearance
Solid
Purity
≥95%
Density
1.270±0.06 g/cm3
Boiling Point
1447.0±65.0 °C at 760 mmHg
Sequence
KLKKTETQ
Storage
Store at -20 °C
Solubility
Soluble in DMF, DMSO, Ethanol, PBS (pH 7.2)
InChI
InChI=1S/C42H78N12O14/c1-22(2)21-30(52-35(60)25(46)11-5-8-18-43)39(64)49-26(12-6-9-19-44)36(61)48-27(13-7-10-20-45)37(62)53-33(23(3)55)40(65)50-28(15-17-32(58)59)38(63)54-34(24(4)56)41(66)51-29(42(67)68)14-16-31(47)57/h22-30,33-34,55-56H,5-21,43-46H2,1-4H3,(H2,47,57)(H,48,61)(H,49,64)(H,50,65)(H,51,66)(H,52,60)(H,53,62)(H,54,63)(H,58,59)(H,67,68)/t23-,24-,25+,26+,27+,28+,29+,30+,33+,34+/m1/s1
InChI Key
TWFSRAUPLWPVHY-XJFPVSOYSA-N
Canonical SMILES
C[C@H]([C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCCN)N)O
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