Lucinactant contains the peptide sinapultide (KL4 acetate, KLLLLKLLLLKLLLLKLLLLK), dipalmitoylphosphatidylcholine, 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoglycerol (as the sodium salt), and palmitic acid.
CAT No: 10-101-341
CAS No: 1802925-00-3
Synonyms/Alias: L-Lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysine, acetate; Sinapultide acetate
Chemical Name: acetic acid;(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]hexanoic acid
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M.F/Formula | C128H242N26O24 |
M.W/Mr. | 2529.5 |
Sequence | One Letter Code: KLLLLKLLLLKLLLLKLLLLK Three Letter Code: H-Lys-Leu-Leu-Leu-Leu-Lys-Leu-Leu-Leu-Leu-Lys-Leu-Leu-Leu-Leu-Lys-Leu-Leu-Leu-Leu-Lys-OH.CH3CO2H |
Biological Activity | Lucinactant contains two phospholipids and a high concentration of sinapultide (also known as KL-4), a synthetic peptide designed to have similar activity to surfactant protein B. |
InChI | InChI=1S/C126H238N26O22.C2H4O2/c1-69(2)53-90(137-106(153)85(132)43-33-38-48-127)114(161)145-98(61-77(17)18)122(169)149-99(62-78(19)20)118(165)141-91(54-70(3)4)110(157)133-86(44-34-39-49-128)107(154)138-95(58-74(11)12)115(162)146-103(66-82(27)28)123(170)150-100(63-79(21)22)119(166)142-92(55-71(5)6)111(158)134-87(45-35-40-50-129)108(155)139-96(59-75(13)14)116(163)147-104(67-83(29)30)124(171)151-101(64-80(23)24)120(167)143-93(56-72(7)8)112(159)135-88(46-36-41-51-130)109(156)140-97(60-76(15)16)117(164)148-105(68-84(31)32)125(172)152-102(65-81(25)26)121(168)144-94(57-73(9)10)113(160)136-89(126(173)174)47-37-42-52-131;1-2(3)4/h69-105H,33-68,127-132H2,1-32H3,(H,133,157)(H,134,158)(H,135,159)(H,136,160)(H,137,153)(H,138,154)(H,139,155)(H,140,156)(H,141,165)(H,142,166)(H,143,167)(H,144,168)(H,145,161)(H,146,162)(H,147,163)(H,148,164)(H,149,169)(H,150,170)(H,151,171)(H,152,172)(H,173,174);1H3,(H,3,4)/t85-,86-,87-,88-,89-,90-,91-,92-,93-,94-,95-,96-,97-,98-,99-,100-,101-,102-,103-,104-,105-;/m0./s1 |
InChI Key | OSPNFKYGOFXGBX-YWWKUQGPSA-N |
Canonical SMILES | CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)O)NC(=O)C(CCCCN)N.CC(=O)O |
Isomeric SMILES | CC(C)C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCCCN)N.CC(=O)O |
3. Autoinhibition and phosphorylation-induced activation of phospholipase C-γ isozymes
4. Cell-based adhesion assays for isolation of snake venom’s integrin antagonists
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