SMTL ID : 3ilo.1

Crystal structure of E. coli HPPK(D97A) in complex with MgAMPCPP and 6-hydroxymethyl-7,8-dihydropterin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.10 Å

Oligo State

monomer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

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

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

APC.2: 18 residues within 4Å: Chain A: L.70, Q.74, R.82, R.84, R.92, D.95, L.96, A.97, I.98, R.110, L.111, T.112, V.113, H.115, Y.116, R.121 Ligands: MG.1, PH2.3 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:Q.74, A:R.82, A:R.82, A:R.84, A:R.92, A:R.92, A:I.98, A:T.112, A:T.112, A:Y.116 Water bridges: A:R.84, A:R.84, A:R.88, A:R.88, A:R.121, A:R.121 Salt bridges: A:H.115, A:R.121

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

PH2.3: 10 residues within 4Å: Chain A: T.42, P.43, P.44, L.45, Y.53, N.55, W.89, R.92, F.123 Ligands: APC.2 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:W.89, A:R.92, A:R.92 Water bridges: A:R.121 pi-Stacking: A:Y.53, A:F.123 pi-Cation interactions: A:Y.53, A:F.123

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

CL.4: 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.5: 4 residues within 4Å: Chain A: E.30, S.31, H.32, E.61 2 PLIP interactions: 2 interactions with chain A Water bridges: A:S.31 Salt bridges: A:H.32

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, Y. et al., Structural and functional roles of residues D95 and D97 in E. coli HPPK. To be Published

Release Date

2010-08-11

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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