SMTL ID : 1cyy.2 (2 other biounits)

CRYSTAL STRUCTURE OF THE 30 KDA FRAGMENT OF E. COLI DNA TOPOISOMERASE I. HEXAGONAL FORM

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-tetramer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: H.152 Chain C: H.256 Chain D: E.250 4 PLIP interactions: 1 interactions with chain C, 1 interactions with chain A, 2 interactions with chain D Metal complexes: C:H.256, A:H.152, D:E.250, D:E.250 ZN.2: 3 residues within 4Å: Chain A: H.256 Chain B: E.250 Chain C: H.152 4 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A, 1 interactions with chain C Metal complexes: B:E.250, B:E.250, A:H.256, C:H.152

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Feinberg, H. et al., Conformational changes in E. coli DNA topoisomerase I. Nat.Struct.Biol. (1999)

Release Date

2000-03-08

Peptides

DNA TOPOISOMERASE I: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

DNA TOPOISOMERASE I

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