SMTL ID : 3kuh.1

Crystal structure of E. coli HPPK(H115A) in complex with AMPCPP and HP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

monomer

Ligands

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

APC.1: 19 residues within 4Å: Chain A: L.70, Q.74, R.82, R.84, W.89, R.92, D.95, L.96, D.97, I.98, R.110, L.111, T.112, V.113, Y.116, R.121 Ligands: PH2.2, MG.3, MG.4 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:Q.74, A:R.82, A:R.82, A:R.92, A:R.92, A:I.98, A:T.112, A:T.112, A:Y.116 Water bridges: A:R.88, A:T.112, A:R.121 Salt bridges: A:R.121

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

PH2.2: 12 residues within 4Å: Chain A: T.42, P.43, P.44, L.45, Y.53, N.55, W.89, R.92, D.95, F.123 Ligands: APC.1, MG.4 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:T.42, A:T.42, A:L.45, A:L.45, A:N.55, A:N.55, A:R.92, A:R.92 Water bridges: A:R.121, A:R.121 pi-Stacking: A:Y.53, A:F.123 pi-Cation interactions: A:Y.53, A:F.123

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: D.95, D.97 Ligands: APC.1, MG.4 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.4: 5 residues within 4Å: Chain A: D.95, D.97 Ligands: APC.1, PH2.2, MG.3 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.95, A:D.97, H2O.1

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

CL.5: 5 residues within 4Å: Chain A: P.114, K.119, F.137, P.138, D.139 Ligand excluded by PLIP

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

ACT.6: 4 residues within 4Å: Chain A: E.30, S.31, H.32, E.61 3 PLIP interactions: 3 interactions with chain A Water bridges: A:S.31, A:S.31 Salt bridges: A:H.32

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, Y. et al., Roles of residues E77 and H115 in E. coli HPPK. To be Published

Release Date

2010-11-24

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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