PDB Entry (5ezy)
PDB ID: 5ezy Resolution: 2.05 Å Exp. Method: X-RAY DIFFRACTION
PMID: 28585532 DOI: 10.1038/ncomms15787
Protein
Protein Name: Tubulin beta-2B chain
Uniprot ID/ACC: Q6B856 (TBB2B_BOVIN) Organism: Bos taurus (Bovine)
Gene Symbol: TUBB2B Gene ID: 281555
Protein Class: CELL CYCLE
Ligand
Ligand Name:   taccalonolide AJ
Canonical SMILES:   O1[C@H]([C@]123)[C@@H](C)[C@H]4[C@H]([C@@]2(C)[C@](C(O3)=O)(C)O)[C@H](O)[C@H]5[C@H]6[C@H]([C@H](OC(=O)C)[C@@H]([C@]45C)OC(=O)C)[C@]7(C)[C@@H](C(=O)[C@@H]6O)C[C@H]8[C@H](O8)[C@@H]7OC(=O)C
Standard InChI:   InChI=1S/C34H44O14/c1-10-17-20(32(7)33(8,42)29(41)48-34(32)26(10)47-34)23(40)18-16-19(25(43-11(2)35)28(31(17,18)6)45-13(4)37)30(5)14(21(38)22(16)39)9-15-24(46-15)27(30)44-12(3)36/h10,14-20,22-28,39-40,42H,9H2,1-8H3/t10-,14+,15-,16-,17-,18+,19+,20-,22+,23+,24-,25-,26-,27-,28-,30-,31+,32-,33+,34+/m0/s1
HET Code:   TAJ PubChem:   56926890
DrugBank:   - ChEMBL:   CHEMBL2408398
Molecular Formula:   C34H44O14 Mol. Weight:   676.27313 logP:   0.053
HBD:   3 HBA:   14
#Rotatable Bonds:   3 TPSA:   208.02
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Epoxide Opening ASP 226 D 58.22 5.76 Epoxide
Binding Affinity
-