23567-23-9

23567-23-9 structure

Name: Procyanidin B3
Chemical Name: procyanidin B3
CAS Number: 23567-23-9
Molecular Formula: C₃₀H₂₆O₁₂
Molecular Weight: 578.520
Catalog: Biochemical Natural product
Create Date: 2018-09-18 18:34:43
Modify Date: 2026-06-30 08:57:12
Procyanidin B3 is a natural product, acts as a specific HAT inhibitor, binds to the other site of p300 instead of the active site, selectively inhibits p300-mediated androgen receptor acetylation. Procyanidin B3 has no effect on HDAC or HMT (histone methyltransferase)[1].

Name	procyanidin B3
Synonyms	3,3',4,4'-Tetrahydro-2α,2'α-bis(3,4-dihydroxyphenyl)-4α,8'-bi[2H-1-benzopyran]-3β,3'β,5,5',7,7'-hexol (2R,2'R,3R,3'R,4R)-2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-2H,2'H-4,8'-bichromene-3,3',5,5',7,7'-hexol procyanidin B3 from bley (2R,3S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol (2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-[4,8'-bichroman]-3,3',5,5',7,7'-hexaol [4,8''-Biflavan]-3,3',3'',3''',4',4''',5,5'',7,7''-decol stereoisomer Procyanidol B3 Proanthocyanidin UNII-L88HKE854X CATECHIN-(4ALPHA-)-CATECHIN B3 (2R,2'R,3S,3'S,4α)-3,3',4,4'-Tetrahydro-2α,2'α-bis(3,4-dihydroxyphenyl)-4,8'-bi[2H-1-benzopyran]-3,3',5,5',7,7'-hexol RS-533 (2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-4,8'-bichroman-3,3',5,5',7,7'-hexol RS533 [4,8'-Bi-2H-1-benzopyran]-3,3',5,5',7,7'-hexol, 2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-, (2R,2'R,3S,3'S,4S) Proanthocyanidin B3 PROCYANIDIN B3 //BP CATECHIN-(4ALPHA-)-CATECHIN (2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-[4,8'-bi-2H-1-benzopyran]-3,3',5,5',7,7'-hexol 4,8"-Bi-[(+)-epicatechin] (2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-[4,8'-bichromane]-3,3',5,5',7,7'-hexaol PROCYANIDIN B3 Procyanidin B2 Procyanidin B-3 Procyanidin B3, 10 mM in DMSO 2,3-trans-proanthocyanidin

Description	Procyanidin B3 is a natural product, acts as a specific HAT inhibitor, binds to the other site of p300 instead of the active site, selectively inhibits p300-mediated androgen receptor acetylation. Procyanidin B3 has no effect on HDAC or HMT (histone methyltransferase)[1].
Related Catalog	Research Areas >> Cancer Signaling Pathways >> Epigenetics >> Histone Acetyltransferase
Target	p300[1]
References	[1]. Choi KC, et al. Procyanidin B3, an inhibitor of histone acetyltransferase, enhances the action of antagonist for prostate cancer cells via inhibition of p300-dependent acetylation of androgen receptor. Biochem J. 2011 Jan 1;433(1):235-44.