SMTL ID : 1m08.1

Crystal structure of the unbound nuclease domain of ColE7

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.99, H.100, H.124, H.128 Ligands: PO4.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.99, A:H.124, A:H.128 ZN.3: 5 residues within 4Å: Chain B: H.99, H.100, H.124, H.128 Ligands: PO4.4 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.99, B:H.124, B:H.128

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 8 residues within 4Å: Chain A: R.2, L.98, H.99, H.100, H.124, H.128 Chain B: K.131 Ligands: ZN.1 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:L.98, A:L.98, A:H.100 Water bridges: A:R.2, A:R.2, A:R.2 Salt bridges: A:R.2, A:H.99, A:H.100, A:H.124, A:H.128, B:K.131 PO4.4: 8 residues within 4Å: Chain A: K.131 Chain B: R.2, L.98, H.99, H.100, H.124, H.128 Ligands: ZN.3 12 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:L.98, B:H.100 Water bridges: B:R.2, B:R.2, B:R.2, A:K.131 Salt bridges: B:R.2, B:H.99, B:H.100, B:H.124, B:H.128, A:K.131

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cheng, Y.S. et al., The Crystal Structure of the Nuclease Domain of Colicin E7 Suggests a Mechanism for Binding to Double-stranded DNA by the H-N-H Endonucleases. J.mol.biol. (2002)

Release Date

2002-12-11

Peptides

Colicin E7: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Colicin E7