SMTL ID : 1otw.1

Crystal structure of PqqC in complex with PQQ and a putative H2O2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x PQQ: PYRROLOQUINOLINE QUINONE(Non-covalent)

PQQ.1: 21 residues within 4Å: Chain A: Y.24, H.25, R.51, Y.54, Q.55, I.58, K.61, R.81, H.85, Y.129, S.145, T.147, E.148, I.154, H.155, R.158, Y.176, R.180, K.215, L.219 Ligands: PEO.2 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:Y.54, A:I.58 Hydrogen bonds: A:Y.24, A:Y.24, A:R.51, A:Y.54, A:Y.54, A:Q.55, A:R.81, A:Y.129, A:T.147, A:K.215, A:K.215 Water bridges: A:K.61, A:D.62, A:R.180 Salt bridges: A:H.25, A:R.51, A:K.61, A:H.155, A:R.158, A:K.215, A:K.215 PQQ.3: 20 residues within 4Å: Chain B: Y.24, H.25, R.51, Y.54, Q.55, K.61, R.81, H.85, Y.129, S.145, T.147, E.148, I.154, H.155, R.158, Y.176, R.180, K.215, L.219 Ligands: PEO.4 20 PLIP interactions: 20 interactions with chain B Hydrogen bonds: B:Y.24, B:Y.24, B:R.51, B:Y.54, B:Q.55, B:R.81, B:Y.176, B:K.215, B:K.215 Water bridges: B:K.61, B:K.61 Salt bridges: B:H.25, B:R.51, B:K.61, B:H.155, B:R.158, B:K.215, B:K.215 pi-Stacking: B:Y.54, B:Y.54

2 x PEO: HYDROGEN PEROXIDE(Non-functional Binders)

PEO.2: 5 residues within 4Å: Chain A: A.151, H.155, R.180, A.184 Ligands: PQQ.1 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.180 PEO.4: 5 residues within 4Å: Chain B: A.151, H.155, R.180, A.184 Ligands: PQQ.3 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.180

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Magnusson, O.T. et al., Quinone biogenesis: Structure and mechanism of PqqC, the final catalyst in the production of pyrroloquinoline quinone. Proc.Natl.Acad.Sci.USA (2004)

Release Date

2004-05-11

Peptides

Coenzyme PQQ synthesis protein C: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Coenzyme PQQ synthesis protein C