SMTL ID : 1so3.1 (1 other biounit)

Crystal structure of H136A mutant of 3-keto-L-gulonate 6-phosphate decarboxylase with bound L-threonohydroxamate 4-phosphate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: E.33, D.62, K.64 Ligands: TX4.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.33, A:D.62, H2O.10, H2O.10 MG.3: 4 residues within 4Å: Chain B: E.33, D.62, K.64 Ligands: TX4.4 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.33, B:D.62, H2O.17, H2O.20

2 x TX4: L-THREONOHYDROXAMATE 4-PHOSPHATE(Non-covalent)

TX4.2: 15 residues within 4Å: Chain A: A.9, D.11, E.33, D.62, K.64, E.112, T.169, G.170, G.171, I.189, A.190, G.191, R.192 Chain B: D.67 Ligands: MG.1 19 PLIP interactions: 18 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:D.11, A:K.64, A:K.64, A:R.139, A:T.169, A:T.169, A:G.171, A:G.191, A:R.192, B:D.67 Water bridges: A:T.36, A:T.36, A:R.137, A:R.139, A:L.172, A:L.172, A:R.192, A:S.193 Salt bridges: A:R.192 TX4.4: 15 residues within 4Å: Chain A: D.67 Chain B: A.9, D.11, E.33, D.62, K.64, E.112, T.169, G.170, G.171, I.189, A.190, G.191, R.192 Ligands: MG.3 16 PLIP interactions: 15 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:D.11, B:K.64, B:K.64, B:R.139, B:T.169, B:G.171, B:G.191, B:R.192 Water bridges: B:T.36, B:T.169, B:T.169, B:R.192, B:R.192, B:S.193, A:D.67 Salt bridges: B:R.192

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wise, E.L. et al., Evolution of Enzymatic Activities in the Orotidine 5'-Monophosphate Decarboxylase Suprafamily: Crystallographic Evidence for a Proton Relay System in the Active Site of 3-Keto-l-gulonate 6-Phosphate Decarboxylase(,). Biochemistry (2004)

Release Date

2004-06-08

Peptides

3-keto-L-gulonate 6-phosphate decarboxylase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

3-keto-L-gulonate 6-phosphate decarboxylase

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