SMTL ID : 1rr8.1

Structural Mechanisms of Camptothecin Resistance by Mutations in Human Topoisomerase I

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

monomer

Ligands

1 x TTG: 2-(1-DIMETHYLAMINOMETHYL-2-HYDROXY-8-HYDROXYMETHYL-9-OXO-9,11-DIHYDRO-INDOLIZINO[1,2-B]QUINOLIN-7-YL)-2-HYDROXY-BUTYRIC ACID(Non-covalent)

TTG.1: 14 residues within 4Å: Chain A: T.10, G.11, G.12 Chain B: C.12, A.13 Chain C: N.152, E.156, R.164, K.332, D.333, T.518, N.522, Y.523 Ligands: TTC.2 7 PLIP interactions: 7 interactions with chain C Hydrogen bonds: C:E.156, C:T.518, C:N.522 Water bridges: C:N.522, C:N.522 Salt bridges: C:E.156, C:K.332

1 x TTC: (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY-1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3,14(4H,12H)-DIONE(Non-covalent)

TTC.2: 12 residues within 4Å: Chain A: T.10, G.11, G.12 Chain B: C.12, A.13 Chain C: E.156, R.164, K.332, D.333, T.518, Y.523 Ligands: TTG.1 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:E.156, C:T.518 Water bridges: C:N.522 Salt bridges: C:E.156, C:K.332

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chrencik, J.E. et al., Mechanisms of camptothecin resistance by human topoisomerase I mutations. J.Mol.Biol. (2004)

Release Date

2004-07-06

Peptides

DNA topoisomerase I: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

C
C

DNA topoisomerase I