99533-80-9

99533-80-9 structure

Name: K-252a
Chemical Name: K-252a
CAS Number: 99533-80-9
Molecular Formula: C₂₇H₂₁N₃O₅
Molecular Weight: 467.473
Catalog: Signaling Pathways Epigenetics PKC
Create Date: 2017-05-31 18:40:13
Modify Date: 2025-08-25 19:02:18
K-252a, a staurosporine analog isolated from Nocardiopsis sp. soil fungi, inhibits protein kinase, with IC50 values of 470 nM, 140 nM, 270 nM, and 1.7 nM for PKC, PKA, Ca2+/calmodulin-dependent kinase type II, and phosphorylase kinase, respectively[1][2].

Name	K-252a
Synonyms	antibiotick252a PROTEIN KINASE INHIBITOR FROM NORCARDIOP SIS SP. PROTEIN KINASE INHIBITOR K-252A PROTEIN KINASE INHIBITOR K252a K-252A,NOCARDIOPSIS SP K-252a Methyl (15S,16R,18R)-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.1.0.0.0.0.0]octacosa-1,6,8,10,12,20,22,24,26-nonaene-16-carboxylate 6,9-Epoxy-15H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-7-carboxylic acid, 6,7,8,9,16,17-hexahydro-7-hydroxy-6-methyl-15-oxo-, methyl ester, (6S,7R,9R)- antibioticsf2370 sf2370

Description	K-252a, a staurosporine analog isolated from Nocardiopsis sp. soil fungi, inhibits protein kinase, with IC50 values of 470 nM, 140 nM, 270 nM, and 1.7 nM for PKC, PKA, Ca2+/calmodulin-dependent kinase type II, and phosphorylase kinase, respectively[1][2].
Related Catalog	Signaling Pathways >> Epigenetics >> PKC Signaling Pathways >> Neuronal Signaling >> CaMK Research Areas >> Infection Signaling Pathways >> Protein Tyrosine Kinase/RTK >> PKA Signaling Pathways >> Stem Cell/Wnt >> PKA Signaling Pathways >> TGF-beta/Smad >> PKC
Target	IC50: 470 nM (PKC), 140 nM (PKA), 270 nM (Ca2+/calmodulin-dependent kinase type II), 1.7 nM (phosphorylase kinase)[1][2].
References	[1]. Yasuzawa, T., et al. The structures of the novel protein kinase C inhibitors K-252a, b, c AND d Journal of Antibiotics 39(8), 1072-1078 (1986). [2]. Davis, P.D., et al. Inhibitors of protein kinase C. 1.1 2,3-bisarylmaleimides Journal of Medicinal Chemistry 35, 177-184 (1992).

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 38,1437,1985

Symbol	GHS08
Signal Word	Danger
Hazard Statements	H360D-H371
Precautionary Statements	P201-P260-P308 + P311
Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi: Irritant;
Safety Phrases	22-24/25
RIDADR	NONH for all modes of transport
RTECS	NZ0550000