SMTL ID : 3hd2.1

Crystal structure of E. coli HPPK(Q50A) in complex with MgAMPCPP and pterin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.10 Å

Oligo State

monomer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: D.95, D.97 Ligands: MG.2, APC.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.95, A:D.97, H2O.1, H2O.1 MG.2: 4 residues within 4Å: Chain A: D.95, D.97 Ligands: MG.1, APC.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.95, A:D.97, H2O.1, H2O.1

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

APC.3: 15 residues within 4Å: Chain A: L.70, Q.74, R.92, D.95, D.97, I.98, R.110, L.111, T.112, V.113, H.115, Y.116, R.121 Ligands: MG.1, MG.2 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:Q.74, A:R.92, A:R.92, A:I.98, A:T.112, A:T.112, A:Y.116, A:Y.116 Water bridges: A:D.95, A:D.95 Salt bridges: A:H.115, A:R.121

1 x PE0: PTERINE(Non-covalent)

PE0.4: 7 residues within 4Å: Chain A: T.42, P.43, L.45, Y.53, N.55, F.123 Ligands: ACT.5 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:T.42, A:T.42, A:N.55, A:N.55 Water bridges: A:L.45, A:L.45, A:R.121 pi-Stacking: A:Y.53, A:F.123 pi-Cation interactions: A:Y.53, A:F.123

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.5: 5 residues within 4Å: Chain A: T.42, Y.53, N.55, F.123 Ligands: PE0.4 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Y.53, A:F.123 Hydrogen bonds: A:T.42, A:N.55

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

CL.6: 1 residues within 4Å: Chain A: N.107 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Blaszczyk, J. et al., Role of loop coupling in enzymatic catalysis and conformational dynamics. To be Published

Release Date

2010-05-19

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