SMTL ID : 3hlx.1

Crystal Structure of PqqC Active Site Mutant Y175F in Complex with PQQ

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

homo-dimer

Ligands

2 x PQQ: PYRROLOQUINOLINE QUINONE(Non-covalent)

PQQ.1: 20 residues within 4Å: Chain A: Y.23, H.24, R.50, Y.53, Q.54, I.57, K.60, H.84, Y.128, S.144, T.146, E.147, I.153, H.154, R.157, F.175, R.179, K.214, L.218 Ligands: CL.4 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:Y.53, A:I.57 Hydrogen bonds: A:Y.23, A:Y.23, A:R.50, A:Y.53, A:Q.54, A:R.80, A:K.214, A:K.214 Water bridges: A:K.60, A:D.61, A:R.179 Salt bridges: A:H.24, A:R.50, A:K.60, A:H.154, A:R.157, A:K.214, A:K.214 PQQ.5: 20 residues within 4Å: Chain B: Y.23, H.24, R.50, Y.53, Q.54, I.57, K.60, H.84, Y.128, S.144, T.146, E.147, I.153, H.154, R.157, F.175, R.179, K.214, L.218 Ligands: CL.8 22 PLIP interactions: 22 interactions with chain B Hydrophobic interactions: B:I.57 Hydrogen bonds: B:Y.23, B:Y.23, B:R.50, B:Y.53, B:Y.53, B:Y.53, B:Q.54, B:R.80, B:Y.128, B:T.146 Water bridges: B:K.60, B:D.61, B:R.179 Salt bridges: B:H.24, B:R.50, B:K.60, B:H.154, B:R.157, B:K.214, B:K.214 pi-Stacking: B:Y.53

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 7 residues within 4Å: Chain A: K.76, W.77, Q.79, R.80, R.185, D.186, H.189 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.80, A:D.186, A:H.189 Water bridges: A:R.185 GOL.3: 7 residues within 4Å: Chain A: R.233 Chain B: P.28, Y.29, A.32, T.226, A.230, L.231 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.233, A:R.233, B:T.226 GOL.6: 6 residues within 4Å: Chain B: K.76, W.77, R.80, R.185, D.186, H.189 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.80, B:R.80 GOL.7: 6 residues within 4Å: Chain A: P.28, Y.29, A.32, T.226, A.230 Chain B: R.233 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.233, B:R.233

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 5 residues within 4Å: Chain A: A.150, H.154, R.179, A.183 Ligands: PQQ.1 Ligand excluded by PLIP CL.8: 5 residues within 4Å: Chain B: A.150, H.154, R.179, A.183 Ligands: PQQ.5 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Puehringer, S. et al., Structural studies of mutant forms of the PQQ-forming enzyme PqqC in the presence of product and substrate. Proteins (2010)

Release Date

2010-05-12

Peptides

Pyrroloquinoline-quinone synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

Pyrroloquinoline-quinone synthase

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