SMTL ID : 1ru1.2 (1 other biounit)

CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E. COLI HPPK(V83G/DEL84-89) WITH MGAMPCPP AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN AT 1.40 ANGSTROM RESOLUTION (MONOCLINIC FORM)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

monomer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: D.89, D.91 Ligands: MG.2, APC.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.89, A:D.91, H2O.1, H2O.6 MG.2: 5 residues within 4Å: Chain A: D.89, D.91 Ligands: MG.1, APC.3, PH2.4 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.89, A:D.91, H2O.1

1 x APC: DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER(Non-covalent)

APC.3: 16 residues within 4Å: Chain A: L.70, Q.74, D.89, L.90, D.91, I.92, R.104, L.105, T.106, V.107, H.109, Y.110, R.115 Ligands: MG.1, MG.2, PH2.4 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:Q.74, A:I.92, A:T.106, A:T.106, A:Y.110 Water bridges: A:D.89, A:D.89, A:T.106 Salt bridges: A:H.109, A:R.115

1 x PH2: 2-AMINO-6-HYDROXYMETHYL-7,8-DIHYDRO-3H-PTERIDIN-4-ONE(Non-covalent)

PH2.4: 10 residues within 4Å: Chain A: T.42, P.43, P.44, L.45, Y.53, N.55, D.89, F.117 Ligands: MG.2, APC.3 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:T.42, A:P.43, A:L.45, A:N.55, A:N.55 Water bridges: A:G.46, A:D.89, A:R.115, A:R.115 pi-Stacking: A:Y.53, A:F.117 pi-Cation interactions: A:Y.53, A:F.117

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Blaszczyk, J. et al., Essential Roles of a Dynamic Loop in the Catalysis of 6-Hydroxymethyl-7,8-dihydropterin Pyrophosphokinase. Biochemistry (2004)

Release Date

2004-02-24

Peptides

2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase

Related Entries With Identical Sequence