SMTL ID : 6dxs.1 (1 other biounit)

Crystal structure of the LigJ hydratase E284Q mutant substrate complex with (3Z)-2-keto-4-carboxy-3-hexenedioate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.7, H.9, H.177, Q.283 Ligands: HJ7.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.7, A:H.9, A:H.177 ZN.3: 5 residues within 4Å: Chain B: H.7, H.9, H.177, Q.283 Ligands: HJ7.4 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.7, B:H.9, B:H.177

2 x HJ7: (2Z)-4-oxobut-2-ene-1,2,4-tricarboxylic acid(Covalent)(Non-covalent)

HJ7.2: 16 residues within 4Å: Chain A: H.7, H.9, T.11, R.70, A.71, S.72, H.177, T.189, Y.193, H.222, Q.283, G.286, A.287, R.289 Chain B: R.233 Ligands: ZN.1 15 PLIP interactions: 12 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:T.189, A:Y.193 Hydrogen bonds: A:A.71, A:S.72, A:S.72, A:S.72, A:Q.283 Salt bridges: A:H.7, A:H.9, A:R.70, A:H.222, A:R.289, B:R.233 Water bridges: B:R.233, B:R.233 HJ7.4: 15 residues within 4Å: Chain A: R.233 Chain B: H.7, H.9, T.11, R.70, A.71, S.72, H.177, T.189, Y.193, H.222, Q.283, A.287, R.289 Ligands: ZN.3 16 PLIP interactions: 14 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:T.189, B:Y.193 Hydrogen bonds: B:A.71, B:S.72, B:S.72, B:H.177, B:Y.193, B:Y.193, B:Q.283, B:R.289 Salt bridges: B:H.7, B:H.9, B:R.70, B:H.222, A:R.233 Water bridges: A:R.233

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hogancamp, T.N. et al., Structure and Reaction Mechanism of the LigJ Hydratase: An Enzyme Critical for the Bacterial Degradation of Lignin in the Protocatechuate 4,5-Cleavage Pathway. Biochemistry (2018)

Release Date

2018-09-26

Peptides

4-oxalomesaconate hydratase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

4-oxalomesaconate hydratase

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