SMTL ID : 1xs4.1 (2 other biounits)

dCTP deaminase from Escherichia coli- E138A mutant enzyme in complex with dCTP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.53 Å

Oligo State

homo-trimer

Ligands

3 x MG: MAGNESIUM ION(Non-functional Binders)

MG.1: 1 residues within 4Å: Ligands: DCP.4 No protein-ligand interaction detected (PLIP) MG.3: 1 residues within 4Å: Ligands: DCP.6 No protein-ligand interaction detected (PLIP) MG.5: 1 residues within 4Å: Ligands: DCP.2 No protein-ligand interaction detected (PLIP)

3 x DCP: 2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

DCP.2: 19 residues within 4Å: Chain A: 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 Chain C: R.110, S.111, S.112, R.115 Ligands: MG.5 27 PLIP interactions: 22 interactions with chain A, 5 interactions with chain C Hydrophobic interactions: A:W.131 Hydrogen bonds: A:A.124, A:R.126, A:D.128, A:D.128, A:V.136, A:Y.171, A:K.178, A:Q.182, C:S.111, C:S.111, C:S.112 Water bridges: A:R.126, A:R.126, A:R.126, A:R.126, A:R.126, A:R.126, A:R.126, A:R.174, A:R.174 Salt bridges: A:R.126, A:R.174, A:K.178, A:K.178, C:R.110, C:R.110 DCP.4: 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 23 PLIP interactions: 18 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:W.131 Hydrogen bonds: B:A.124, B:R.126, B:D.128, B:D.128, B:V.136, B:Y.171, B:K.178, B:Q.182, A:S.111, A:S.111, A:S.112 Water bridges: B:R.126, B:R.126, B:R.126, B:R.174, B:R.174 Salt bridges: B:R.126, B:R.174, B:K.178, B:K.178, A:R.110, A:R.110 DCP.6: 19 residues within 4Å: Chain B: R.110, S.111, S.112, R.115 Chain C: A.124, R.126, I.127, D.128, W.131, I.135, V.136, Y.171, R.174, D.176, A.177, K.178, Y.179, Q.182 Ligands: MG.3 21 PLIP interactions: 16 interactions with chain C, 5 interactions with chain B Hydrophobic interactions: C:W.131 Hydrogen bonds: C:A.124, C:R.126, C:D.128, C:D.128, C:V.136, C:Y.171, C:K.178, C:Q.182, B:S.111, B:S.111, B:S.112 Water bridges: C:R.126, C:R.126, C:R.126 Salt bridges: C:R.126, C:R.174, C:K.178, C:K.178, B:R.110, B:R.110

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
A

B
B

C
C

Deoxycytidine triphosphate deaminase

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