SMTL ID : 1i0l.1

ANALYSIS OF AN INVARIANT ASPARTIC ACID IN HPRTS-ASPARAGINE MUTANT

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.72 Å

Oligo State

homo-dimer

Ligands

3 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 2 residues within 4Å: Chain A: D.171 Ligands: PRP.6 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.171, H2O.2150, H2O.2150, H2O.2150 MG.2: 2 residues within 4Å: Chain B: D.171 Ligands: PRP.7 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:D.171, H2O.2151, H2O.2151, H2O.2151 MG.3: 3 residues within 4Å: Chain B: E.111, D.112 Ligands: PRP.7 No protein-ligand interaction detected (PLIP)

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

7HP.4: 8 residues within 4Å: Chain A: I.113, K.143, A.163, F.164, V.165, L.170, D.171 Ligands: PRP.6 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:K.143, A:K.143, A:V.165, A:V.165 pi-Stacking: A:F.164 Water bridges: A:N.115, A:N.115, A:D.171 7HP.5: 9 residues within 4Å: Chain B: Y.82, N.115, K.143, A.163, F.164, V.165, L.170, D.171 Ligands: PRP.7 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:Y.82, B:N.115, B:K.143, B:K.143, B:V.165, B:V.165 Water bridges: B:D.171

2 x PRP: ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID(Non-covalent)

PRP.6: 12 residues within 4Å: Chain A: L.51, K.52, G.53, E.111, D.112, I.113, N.115, T.116, D.171, R.177 Ligands: MG.1, 7HP.4 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:K.52, A:G.53, A:I.113, A:N.115, A:T.116, A:T.116 Salt bridges: A:R.177 Water bridges: A:N.115, A:L.118, A:D.171, A:R.177, A:R.177, A:R.177, A:R.177 PRP.7: 21 residues within 4Å: Chain B: L.51, K.52, G.53, V.79, S.80, S.81, Y.82, E.111, D.112, I.113, V.114, N.115, T.116, A.117, L.118, T.119, D.171, R.177 Ligands: MG.2, MG.3, 7HP.5 22 PLIP interactions: 22 interactions with chain B Hydrogen bonds: B:K.52, B:G.53, B:S.81, B:Y.82, B:D.112, B:N.115, B:T.116, B:A.117, B:L.118, B:T.119, B:T.119 Salt bridges: B:R.177 Water bridges: B:S.54, B:T.116, B:T.116, B:T.119, B:T.119, B:D.171, B:D.174, B:R.177, B:R.177, B:R.177

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Canyuk, B. et al., The role for an invariant aspartic acid in hypoxanthine phosphoribosyltransferases is examined using saturation mutagenesis, functional analysis, and X-ray crystallography. Biochemistry (2001)

Release Date

2002-05-29

Peptides

HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE