SMTL ID : 1xs6.2 (3 other biounits)

dCTP deaminase from Escherichia coli. E138A mutant enzyme in complex with dUTP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-trimer

Ligands

4 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.1: 2 residues within 4Å: Chain B: R.126 Ligands: DUT.5 No protein-ligand interaction detected (PLIP) MG.2: 1 residues within 4Å: Chain A: D.7 No protein-ligand interaction detected (PLIP) MG.4: 1 residues within 4Å: Ligands: DUT.7 No protein-ligand interaction detected (PLIP) MG.6: 1 residues within 4Å: Ligands: DUT.3 No protein-ligand interaction detected (PLIP)

3 x DUT: DEOXYURIDINE-5'-TRIPHOSPHATE(Non-covalent)

DUT.3: 18 residues within 4Å: Chain A: L.107, A.124, R.126, D.128, W.131, I.135, V.136, Y.171, R.174, A.177, K.178, Y.179, Q.182 Chain C: R.110, S.111, S.112, R.115 Ligands: MG.6 22 PLIP interactions: 5 interactions with chain C, 17 interactions with chain A Hydrogen bonds: C:S.111, C:S.111, C:S.112, A:R.126, A:D.128, A:D.128, A:V.136, A:V.136, A:Y.171, A:K.178, A:Q.182 Salt bridges: C:R.110, C:R.110, A:R.126, A:R.174 Hydrophobic interactions: A:W.131 Water bridges: A:R.126, A:R.126, A:R.126, A:R.126, A:R.126, A:R.126 DUT.5: 19 residues within 4Å: Chain A: G.109, R.110, S.111, S.112, R.115 Chain B: A.124, R.126, D.128, W.131, I.135, V.136, Y.171, R.174, D.176, A.177, K.178, Y.179, Q.182 Ligands: MG.1 28 PLIP interactions: 6 interactions with chain A, 22 interactions with chain B Hydrogen bonds: A:G.109, A:R.110, A:S.111, A:S.111, A:S.112, B:R.126, B:D.128, B:D.128, B:V.136, B:V.136, B:K.178, B:Q.182 Salt bridges: A:R.110, B:R.126, B:R.174, B:K.178, B:K.178 Hydrophobic interactions: B:W.131 Water bridges: B:R.126, B:R.126, B:R.126, B:R.126, B:R.126, B:R.126, B:R.126, B:R.126, B:R.174, B:K.178 DUT.7: 19 residues within 4Å: Chain B: R.110, S.111, S.112, R.115 Chain C: L.107, A.124, R.126, I.127, D.128, W.131, I.135, V.136, Y.171, R.174, A.177, K.178, Y.179, Q.182 Ligands: MG.4 23 PLIP interactions: 5 interactions with chain B, 18 interactions with chain C Hydrogen bonds: B:R.110, B:S.111, B:S.111, B:S.112, C:R.126, C:D.128, C:V.136, C:V.136, C:K.178, C:Q.182 Salt bridges: B:R.110, C:R.126, C:R.174, C:K.178, C:K.178 Hydrophobic interactions: C:I.127, C:W.131 Water bridges: C:R.126, C:R.126, C:R.126, C:R.174, C:R.174, C:R.174

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Johansson, E. et al., Structures of dCTP deaminase from Escherichia coli with bound substrate and product: reaction mechanism and determinants of mono- and bifunctionality for a family of enzymes. J.Biol.Chem. (2005)

Release Date

2004-12-21

Peptides

Deoxycytidine triphosphate deaminase: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

C
F

Deoxycytidine triphosphate deaminase

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