U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ABSOLUTE
Molecular Formula C32H43ClN2O9
Molecular Weight 635.145
Optical Activity UNSPECIFIED
Defined Stereocenters 7 / 7
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of ANSAMITOMICIN P-3

SMILES

[H][C@@]12C[C@@](O)(NC(=O)O1)[C@H](OC)\C=C\C=C(C)\CC3=CC(OC)=C(Cl)C(=C3)N(C)C(=O)C[C@H](OC(=O)C(C)C)[C@]4(C)O[C@H]4[C@@H]2C

InChI

InChIKey=OPQNCARIZFLNLF-JBHFWYGFSA-N
InChI=1S/C32H43ClN2O9/c1-17(2)29(37)43-25-15-26(36)35(6)21-13-20(14-22(40-7)27(21)33)12-18(3)10-9-11-24(41-8)32(39)16-23(42-30(38)34-32)19(4)28-31(25,5)44-28/h9-11,13-14,17,19,23-25,28,39H,12,15-16H2,1-8H3,(H,34,38)/b11-9+,18-10+/t19-,23+,24-,25+,28+,31+,32+/m1/s1

HIDE SMILES / InChI

Molecular Formula C32H43ClN2O9
Molecular Weight 635.145
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 7 / 7
E/Z Centers 0
Optical Activity UNSPECIFIED

Ansamitocin P3, a structural analogue of maytansine, was isolated from Nocardia. Structurally maytansine and ansamitocin P3 are polyketide macrolactams differing in the acyl groups at the C3 position. Ansamitocin P-3 inhibited the polymerization of tubulin and depolymerized the once polymerized tubulin. Ansamitocin P3 exerts antitumour properties.

Originator

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
1.3 µM [Kd]
Conditions
PubMed

PubMed

TitleDatePubMed
Antitubulin activities of ansamitocins and maytansinoids.
1981 Sep 1
Patents

Sample Use Guides

mice: 10 ug (LD50 30-50 ug)
Route of Administration: Intravenous
Ansamitocin P3 potently inhibited the proliferation of MCF-7, HeLa, EMT-6/AR1 and MDA-MB-231 cells in culture with a half-maximal inhibitory concentration of 20±3, 50±0.5, 140±17, and 150±1.1 pM, respectively.
Substance Class Chemical
Created
by admin
on Fri Dec 15 17:34:15 UTC 2023
Edited
by admin
on Fri Dec 15 17:34:15 UTC 2023
Record UNII
7SUK7876BG
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
ANSAMITOMICIN P-3
Common Name English
ANSAMITOCIN P 3
Common Name English
ANSAMITOSIN P 3
Common Name English
MAYTANSINE, 2'-DE(ACETYLMETHYLAMINO)-2'-METHYL-
Systematic Name English
MAYTANSINOL ISOBUTYRATE
Common Name English
ANTIBIOTIC C 15003P3
Code English
NSC-292222
Code English
Classification Tree Code System Code
NCI_THESAURUS C67477
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
Code System Code Type Description
NSC
292222
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY
FDA UNII
7SUK7876BG
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY
CHEBI
29515
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY
EPA CompTox
DTXSID801316919
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY
PUBCHEM
5282049
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY
NCI_THESAURUS
C97710
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY
CAS
66584-72-3
Created by admin on Fri Dec 15 17:34:15 UTC 2023 , Edited by admin on Fri Dec 15 17:34:15 UTC 2023
PRIMARY