SMTL ID : 4hrq.1

Identification of Function and Mechanistic Insights of Guanine Deaminase from Nitrosomonas europaea: Role of the C-terminal Loop in Catalysis

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x AZG: 5-AMINO-1H-[1,2,3]TRIAZOLO[4,5-D]PYRIMIDIN-7-OL(Non-covalent)

AZG.1: 9 residues within 4Å: Chain A: F.50, N.68, H.79, A.80, E.81, C.114, D.144, E.145 Ligands: ZN.2 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:N.68, A:A.80, A:D.144 Water bridges: A:C.114 Salt bridges: A:E.145 pi-Stacking: A:F.50, A:F.50, A:H.79, A:H.79 pi-Cation interactions: A:F.50 AZG.3: 13 residues within 4Å: Chain B: F.50, N.68, H.79, A.80, E.81, C.114, F.143, D.144, E.145, N.188, A.189, R.190 Ligands: ZN.4 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:N.68, B:A.80, B:D.144, B:A.189, B:A.189 Water bridges: B:E.81, B:C.114 Salt bridges: B:E.145 pi-Stacking: B:F.50, B:F.50, B:H.79, B:H.79 pi-Cation interactions: B:F.50

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: H.79, E.81, C.114, C.117 Ligands: AZG.1 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.79, A:C.114, A:C.117, H2O.1 ZN.4: 6 residues within 4Å: Chain B: H.79, E.81, C.114, M.116, C.117 Ligands: AZG.3 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.79, B:C.114, B:C.117, H2O.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bitra, A. et al., Identification of function and mechanistic insights of guanine deaminase from Nitrosomonas europaea: role of the C-terminal loop in catalysis. Biochemistry (2013)

Release Date

2013-06-19

Peptides

Cytidine and deoxycytidylate deaminase zinc-binding region: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cytidine and deoxycytidylate deaminase zinc-binding region

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