SMTL ID : 1ru2.1

CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E.COLI HPPK(V83G/DEL84-89) WITH MGAMPCPP AND 6-HYDROXYMETHYLPTERIN AT 1.48 ANGSTROM RESOLUTION (ORTHORHOMBIC FORM)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.48 Å

Oligo State

monomer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: E.77, D.89, D.91 Ligands: MG.2, APC.4 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.89, A:D.91, H2O.1, H2O.2 MG.2: 6 residues within 4Å: Chain A: D.89, D.91, R.115 Ligands: MG.1, APC.4, HHR.5 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.89, A:D.91, H2O.2

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 5 residues within 4Å: Chain A: P.108, K.113, F.131, P.132, D.133 Ligand excluded by PLIP

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

APC.4: 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, HHR.5 11 PLIP interactions: 11 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.91, A:R.115, A:R.115 Salt bridges: A:H.109, A:R.115

1 x HHR: 6-HYDROXYMETHYLPTERIN(Non-covalent)

HHR.5: 9 residues within 4Å: Chain A: T.42, P.43, P.44, Y.53, N.55, D.89, F.117 Ligands: MG.2, APC.4 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:T.42, A:P.43, A:N.55, A:N.55 Water bridges: 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
A

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

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