SMTL ID : 1n8f.1 (1 other biounit)

Crystal structure of E24Q mutant of phenylalanine-regulated 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHP synthase) from Escherichia Coli in complex with Mn2+ and PEP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.1: 6 residues within 4Å: Chain A: C.61, K.97, H.268, E.302, D.326 Ligands: PEP.4 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:C.61, A:H.268, A:E.302, A:D.326, H2O.3 MN.5: 5 residues within 4Å: Chain B: C.61, H.268, E.302, D.326 Ligands: PEP.8 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:C.61, B:H.268, B:E.302, B:D.326, H2O.15

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 2 residues within 4Å: Chain A: R.99, T.100 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:T.100, A:T.100 Water bridges: A:R.99, A:T.101, A:T.101, A:D.326 Salt bridges: A:R.99 SO4.3: 4 residues within 4Å: Chain A: G.191, T.192, I.193, K.194 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:I.193, A:K.194 SO4.6: 2 residues within 4Å: Chain B: R.99, T.100 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:T.100 Water bridges: B:R.99, B:T.100, B:T.101, B:T.101, B:D.326 Salt bridges: B:R.99 SO4.7: 4 residues within 4Å: Chain B: G.191, T.192, I.193, K.194 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:I.193, B:K.194

2 x PEP: PHOSPHOENOLPYRUVATE(Non-functional Binders)

PEP.4: 13 residues within 4Å: Chain A: R.92, Y.94, K.97, P.98, E.143, G.163, A.164, R.165, K.186, R.234, H.268, E.302 Ligands: MN.1 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:P.98 Hydrogen bonds: A:A.164 Water bridges: A:K.97, A:R.165, A:R.165, A:R.165, A:R.165, A:R.234 Salt bridges: A:R.92, A:K.97, A:R.165, A:K.186, A:K.186, A:R.234, A:H.268, A:H.268 PEP.8: 14 residues within 4Å: Chain B: R.92, Y.94, K.97, P.98, E.143, G.163, A.164, R.165, K.186, R.234, H.268, M.300, E.302 Ligands: MN.5 16 PLIP interactions: 16 interactions with chain B Hydrophobic interactions: B:P.98 Hydrogen bonds: B:A.164 Water bridges: B:K.97, B:E.143, B:R.165, B:R.165, B:R.165, B:R.165 Salt bridges: B:R.92, B:K.97, B:R.165, B:K.186, B:K.186, B:R.234, B:H.268, B:H.268

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shumilin, I.A. et al., The High-Resolution Structure of 3-Deoxy-D-arabino-heptulosonate-7-phosphate Synthase Reveals a Twist in the Plane of Bound Phosphoenolpyruvate. Biochemistry (2003)

Release Date

2003-04-22

Peptides

DAHP Synthetase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

DAHP Synthetase

Related Entries With Identical Sequence