MLCK inhibitor peptide 18

MLCK inhibitor peptide 18 is a cell-permeable inhibitor of myosin light chain kinase (MLCK; IC50 = 50 nM), and displays 4000-fold selectivity over cam kinase ii and does not inhibit PKA. It prevents defects in transepithelial barrier resistance induced by bacteria or TNF-α plus IFN-γ. MLCK inhibitor peptide 18 prevents sperm chromatin-induced cortical reorganization in mouse oocytes and decreases phagocytosis of C3bi-opsonized and non-opsonized myelin by primary mouse microglia.

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CAT#	R0854
CAS	224579-74-2
Synonyms/Alias	Myosin Light Chain Kinase Inhibitor Peptide 18
M.F/Formula	C60H105N23O11
M.W/Mr.	1324.64
Sequence	RKKYKYRRK-NH2
Labeling Target	Myosin
Appearance	Crystalline solid
Purity	≥95%
Activity	Inhibitor
Areas of Interest	Immunology & Inflammation Cell Biology

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Storage	-20°C
Long-term Storage Conditions	-20 °C
InChI	InChI=1S/C60H105N23O11/c61-27-5-1-13-41(49(66)86)76-51(88)45(17-10-32-74-59(69)70)79-53(90)46(18-11-33-75-60(71)72)81-57(94)48(35-37-21-25-39(85)26-22-37)83-55(92)44(16-4-8-30-64)80-56(93)47(34-36-19-23-38(84)24-20-36)82-54(91)43(15-3-7-29-63)78-52(89)42(14-2-6-28-62)77-50(87)40(65)12-9-31-73-58(67)68/h19-26,40-48,84-85H,1-18,27-35,61-65H2,(H2,66,86)(H,76,88)(H,77,87)(H,78,89)(H,79,90)(H,80,93)(H,81,94)(H,82,91)(H,83,92)(H4,67,68,73)(H4,69,70,74)(H4,71,72,75)/t40-,41-,42-,43-,44-,45-,46-,47-,48-/m0/s1
InChI Key	JPOKAKNGULMYHZ-UILVTTEASA-N
Isomeric SMILES	C1=CC(=CC=C1C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC2=CC=C(C=C2)O)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](CCCCN)C(=O)N)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCN=C(N)N)N)O