has role antioxidant metabolite monocarboxylic acid pentacyclic triterpenoid anti-inflammatory drug antineoplastic agent EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor celastrol (2R,4aS,6aS,12bR,14aS,14bR)-1,2,3,4,4a,5,6,6a,11,12b,13,14,14a,14b-tetradecahydro-10-hydroxy-2,4a,6a,9,12b,14a-hexamethyl-11-oxo-2-picenecarboxylic acid (2R,4aS,6aS,12bR,14aS,14bR)-10-hydroxy-2,4a,6a,9,12b,14a-hexamethyl-11-oxo-1,2,3,4,4a,5,6,6a,11,12b,13,14,14a,14b-tetradecahydropicene-2-carboxylic acid 3-hydroxy-9beta,13alpha-dimethyl-2-oxo-24,25,26-trinoroleana-1(10),3,5,7-tetraen-29-oic acid 450.60960 A pentacyclic triterpenoid that is 24,25,26-trinoroleana-1(10),3,5,7-tetraen-29-oic acid bearing an oxo substituent at position 2, a hydroxy substituent at position 3 and two methyl groups at positions 9 and 13. An antioxidant and anti-inflammatory agent. Potently inhibits lipid peroxidation in mitochondria and inhibits TNF-alpha-induced NFkappaB activation. Also shown to inhibit topoisomerase II activity in vitro (IC50 = 7.41 muM). C29H38O4 CAS:34157-83-0 CHEBI:63959 D:A-Friedo-24-noroleana-1(10),3,5,7-tetraen-29-oic acid, 3-hydroxy-2-oxo-, (20alpha)- HMDB:HMDB02385 InChI=1S/C29H38O4/c1-17-18-7-8-21-27(4,19(18)15-20(30)23(17)31)12-14-29(6)22-16-26(3,24(32)33)10-9-25(22,2)11-13-28(21,29)5/h7-8,15,22,31H,9-14,16H2,1-6H3,(H,32,33)/t22-,25-,26-,27+,28-,29+/m1/s1 KQJSQWZMSAGSHN-JJWQIEBTSA-N PMID:11809076 PMID:15593077 PMID:20934245 PMID:20954803 PMID:21134410 PMID:21414301 PMID:21425580 PMID:21466843 PMID:21569548 PMID:21666907 PMID:21850367 PMID:21865725 PMID:21866552 PMID:22087583 PMID:22206928 PMID:22334592 Patent:KR20100097843 Patent:US2011263693 Reaxys:2194425 Tripterine [H][C@@]12C[C@@](C)(CC[C@]1(C)CC[C@]1(C)C3=CC=C4C(C)=C(O)C(=O)C=C4[C@]3(C)CC[C@@]21C)C(O)=O chebi_ontology Hsp90 inhibitor