SMTL ID : 1p18.1

Hypoxanthine Phosphoribosyltransferase from Trypanosoma cruzi, K68R mutant, ternary substrates complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

4 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: E.111, D.112 Ligands: PRP.4 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.111, A:D.112, H2O.3, H2O.3 MG.2: 2 residues within 4Å: Chain A: D.171 Ligands: PRP.4 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.171, H2O.3, H2O.3, H2O.3 MG.5: 2 residues within 4Å: Chain B: D.171 Ligands: PRP.8 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:D.171, H2O.5, H2O.5, H2O.5 MG.6: 3 residues within 4Å: Chain B: E.111, D.112 Ligands: PRP.8 No protein-ligand interaction detected (PLIP)

2 x 7HP: 7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE(Non-covalent)

7HP.3: 9 residues within 4Å: Chain A: I.113, D.115, K.143, A.163, F.164, V.165, L.170, D.171 Ligands: PRP.4 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.115, A:K.143, A:K.143, A:V.165, A:V.165 Water bridges: A:D.171 7HP.7: 9 residues within 4Å: Chain B: Y.82, D.115, K.143, A.163, F.164, V.165, L.170, D.171 Ligands: PRP.8 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Y.82, B:K.143, B:K.143, B:V.165, B:V.165 Water bridges: B:D.171

2 x PRP: 1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose(Non-covalent)

PRP.4: 15 residues within 4Å: Chain A: L.51, R.52, G.53, E.111, D.112, I.113, V.114, D.115, T.116, A.117, D.171, R.177 Ligands: MG.1, MG.2, 7HP.3 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:R.52, A:G.53, A:D.115, A:D.115, A:D.115, A:T.116, A:A.117 Water bridges: A:R.52, A:T.119, A:T.119, A:D.171, A:D.171, A:R.177 Salt bridges: A:R.52, A:R.177 PRP.8: 20 residues within 4Å: Chain B: L.51, R.52, G.53, S.80, S.81, Y.82, E.111, D.112, I.113, V.114, D.115, T.116, A.117, L.118, T.119, D.171, R.177 Ligands: MG.5, MG.6, 7HP.7 22 PLIP interactions: 22 interactions with chain B Hydrogen bonds: B:R.52, B:G.53, B:S.81, B:Y.82, B:D.115, B:T.116, B:A.117, B:L.118, B:T.119, B:T.119 Water bridges: B:R.52, B:R.52, B:S.54, B:G.83, B:T.116, B:T.116, B:T.119, B:T.119, B:D.171, B:R.177 Salt bridges: B:R.52, B:R.177

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Canyuk, B. et al., Interactions at the dimer interface influence the relative efficiencies for purine nucleotide synthesis and pyrophosphorolysis in a phosphoribosyltransferase. J.Mol.Biol. (2004)

Release Date

2004-05-18

Peptides

hypoxanthine phosphoribosyltransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

hypoxanthine phosphoribosyltransferase

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