87081-36-5

87081-36-5 structure

Name: Leptomycin A
Chemical Name: leptomycin A
CAS Number: 87081-36-5
Molecular Formula: C₃₂H₄₆O₆
Molecular Weight: 526.70400
Catalog: API Antibiotics Other antibiotics
Create Date: 2018-05-09 08:00:00
Modify Date: 2025-08-27 17:14:10
Leptomycin A, a Streptomyces metabolite, is an inhibitor of CRM1 (exportin 1) that blocks CRM1 interaction with nuclear export signals, preventing the nuclear export of a broad range of proteins. Leptomycin A suppresses HIV-1 replication. Less potent than Leptomycin B[1][2].

Name	leptomycin A
Synonyms	(2E,10E,12E,16E,18E)-6-hydroxy-3,5,7,9,11,15,17-heptamethyl-19-(3-methyl-6-oxo-2,3-dihydropyran-2-yl)-8-oxononadeca-2,10,12,16,18-pentaenoic acid 2,10,12,16,18-Nonadecapentaenoic acid,19-(3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl)-3,5,7,9,11,15,17-heptamethyl-6-hydroxy-8-oxo C32H46O6 2,10,12,16,18-Nonadecapentaenoic acid,19-(3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl)-6-hydroxy-3,5,7,9,11,15,17-heptamethyl-8-oxo Leptomycin A Jildamycin

Description	Leptomycin A, a Streptomyces metabolite, is an inhibitor of CRM1 (exportin 1) that blocks CRM1 interaction with nuclear export signals, preventing the nuclear export of a broad range of proteins. Leptomycin A suppresses HIV-1 replication. Less potent than Leptomycin B[1][2].
Related Catalog	Signaling Pathways >> Anti-infection >> HIV Research Areas >> Infection Signaling Pathways >> Membrane Transporter/Ion Channel >> CRM1
Target	CRM1[1][2].
References	[1]. Kudo, N., et al. Leptomycin B inhibition of signal-mediated nuclear export by direct binding to CRM1. Exp. Cell Res. 242(2), 540-547 (1998). [2]. Wolff B, et al. Leptomycin B is an inhibitor of nuclear export: inhibition of nucleo-cytoplasmic translocation of the human immunodeficiency virus type 1 (HIV-1) Rev protein and Rev-dependent mRNA. Chem Biol. 1997 Feb;4(2):139-47.

CHEMICAL NAME :: 2,10,12,16,18-Nonadecapentaenoic acid, 19-(3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl)- 3,5,7,9,11,15,17-heptamethyl-6-hydroxy-8-oxo-

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: 38,1573,1985