HUMAN MITOCHONDRIAL TOPOISOMERASE I

3D structure of human dna topoisomerase i (70 kda) as a reference was obtained by X-ray crystallography (PDB ID: 1K4T)
(PROC.NAT.ACAD.SCI.USA,V. 99,15387,2002).
 
This model is human mitochondrial topoisomerase I constructed by FAMS Ligand&Complex based on 1K4T.

HEADER HUMAN MITOCHONDRIAL TOPOISOMERASE I 04-NOV-03
REMARK  CHAIN_A gb_AAH44646.1(38-602)
HETNAM     TTC (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY-
HETNAM   2 TTC  1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3,
HETNAM   3 TTC  14(4H,12H)-DIONE
HETNAM     TTG 2-(1-DIMETHYLAMINOMETHYL-2-HYDROXY-8-HYDROXYMETHYL-9-
HETNAM   2 TTG  OXO-9,11-DIHYDRO-INDOLIZINO[1,2-B]QUINOLIN-7-YL)-2-
HETNAM   3 TTG  HYDROXY-BUTYRIC ACID
HETNAM     PG4 TETRAETHYLENE GLYCOL
HETNAM      HG MERCURY (II) ION

Figure legend:
ligand is shown by cpk or stick.