SMTL ID : 1dqn.1

CRYSTAL STRUCTURE OF GIARDIA GUANINE PHOSPHORIBOSYLTRANSFERASE COMPLEXED WITH A TRANSITION STATE ANALOGUE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: D.125, E.126 Ligands: IMU.3, POP.4 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.125, A:E.126, H2O.7, H2O.8 MG.2: 2 residues within 4Å: Chain A: D.187 Ligands: POP.4 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.187, H2O.2, H2O.9, H2O.9

2 x IMU: PHOSPHORIC ACID MONO-[5-(2-AMINO-4-OXO-4,5-DIHYDRO-3H-PYRROLO[3,2-D]PYRIMIDIN-7-YL)-3,4-DIHYDROXY-PYRROLIDIN-2-YLMETHYL] ESTER(Non-covalent)

IMU.3: 15 residues within 4Å: Chain A: D.125, E.126, Y.127, V.128, D.129, S.130, G.131, H.132, T.133, W.180, L.181, L.186, D.187 Ligands: MG.1, POP.4 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:D.129, A:D.129, A:D.129, A:S.130, A:S.130, A:S.130, A:G.131, A:H.132, A:T.133, A:T.133, A:L.181, A:L.181, A:L.181 Water bridges: A:D.125, A:E.126, A:S.130, A:S.130, A:I.134, A:D.187 pi-Stacking: A:W.180 IMU.5: 14 residues within 4Å: Chain B: D.125, E.126, Y.127, V.128, D.129, S.130, G.131, H.132, T.133, W.180, L.181, L.186, D.187 Ligands: POP.6 21 PLIP interactions: 21 interactions with chain B Hydrogen bonds: B:D.125, B:E.126, B:D.129, B:D.129, B:S.130, B:S.130, B:S.130, B:G.131, B:H.132, B:T.133, B:T.133, B:L.181, B:L.181, B:L.181 Water bridges: B:T.70, B:Y.127, B:Y.127, B:D.187, B:D.187 Salt bridges: B:D.187 pi-Stacking: B:W.180

2 x POP: PYROPHOSPHATE 2-(Non-covalent)

POP.4: 8 residues within 4Å: Chain A: L.69, T.70, G.71, D.187, R.193 Ligands: MG.1, MG.2, IMU.3 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:T.70, A:G.71 Water bridges: A:A.72, A:D.187 Salt bridges: A:R.193 POP.6: 6 residues within 4Å: Chain B: L.69, T.70, G.71, D.187, R.193 Ligands: IMU.5 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:T.70, B:T.70, B:G.71 Water bridges: B:A.72, B:D.187, B:D.187, B:R.193, B:R.193 Salt bridges: B:R.193

1 x IPA: ISOPROPYL ALCOHOL(Non-functional Binders)

IPA.7: 6 residues within 4Å: Chain B: F.18, D.20, R.21, V.24, E.26, V.29 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.29 Hydrogen bonds: B:F.18, B:R.21 Water bridges: B:D.20

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shi, W. et al., Crystal structures of Giardia lamblia guanine phosphoribosyltransferase at 1.75 A(,). Biochemistry (2000)

Release Date

2000-07-26

Peptides

GUANINE PHOSPHORIBOSYLTRANSFERASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

GUANINE PHOSPHORIBOSYLTRANSFERASE

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