SMTL ID : 4z5z.1

The 2.5-angstrom crystal structure of Mg(2+)-bound PqqB from Pseudomonas Putida

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.54 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.20, C.22, C.25, N.273 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:C.20, A:C.22, A:C.25 ZN.4: 4 residues within 4Å: Chain B: C.20, C.22, C.25, N.273 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:C.20, B:C.22, B:C.25

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: G.12, D.93, H.270 Ligands: MLT.3 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.93, A:H.270 MG.5: 4 residues within 4Å: Chain B: G.12, D.93, H.270 Ligands: MLT.6 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.93, B:H.270

2 x MLT: D-MALATE(Non-covalent)

MLT.3: 9 residues within 4Å: Chain A: A.11, G.12, Q.91, D.93, M.243, H.245, H.270, N.272 Ligands: MG.2 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:A.11 Hydrogen bonds: A:G.12, A:G.12 Salt bridges: A:H.245, A:H.270 Water bridges: B:R.102 MLT.6: 9 residues within 4Å: Chain B: A.11, G.12, Q.91, D.93, M.243, H.245, H.270, N.272 Ligands: MG.5 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Water bridges: A:R.102, A:E.103 Hydrophobic interactions: B:A.11 Hydrogen bonds: B:G.12, B:G.12 Salt bridges: B:H.245, B:H.270

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tu, X. et al., Crystal structures reveal metal-binding plasticity at the active site of PqqB. To Be Published

Release Date

2016-04-13

Peptides

Coenzyme PQQ synthesis protein B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Coenzyme PQQ synthesis protein B

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