SMTL ID : 8a39.2 (1 other biounit)

Crystal Structure of PaaX from Escherichia coli W

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 4 residues within 4Å: Chain A: A.197, E.200, T.201, Q.204 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.200 Water bridges: A:Q.204 GOL.2: 5 residues within 4Å: Chain A: A.253, H.254, W.255, H.258, T.259 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:H.254, A:T.259 Water bridges: A:T.259 GOL.5: 4 residues within 4Å: Chain B: A.197, E.200, T.201, Q.204 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.200 Water bridges: B:Q.204 GOL.6: 5 residues within 4Å: Chain B: A.253, H.254, W.255, H.258, T.259 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:H.254, B:H.258, B:T.259, B:T.259

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 7 residues within 4Å: Chain A: W.39, L.40, R.58, R.74, R.77, R.78, S.79 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:S.79, A:S.79 Water bridges: A:R.58, A:S.79 Salt bridges: A:R.58, A:R.74 SO4.4: 6 residues within 4Å: Chain A: D.5, I.8, G.49, E.223, R.224, H.227 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.5, A:D.5 Salt bridges: A:H.227 SO4.7: 7 residues within 4Å: Chain B: W.39, L.40, R.58, R.74, R.77, R.78, S.79 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.79, B:S.79 Water bridges: B:R.58, B:S.79 Salt bridges: B:R.58, B:R.74 SO4.8: 6 residues within 4Å: Chain B: D.5, I.8, G.49, E.223, R.224, H.227 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.5 Salt bridges: B:H.227

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hernandez-Rocamora, V.M. et al., Structural characterization of PaaX, the main repressor of the phenylacetate degradation pathway in Escherichia coli W: A novel fold of transcription regulator proteins. Int.J.Biol.Macromol. (2024)

Release Date

2023-07-05

Peptides

DNA-binding transcriptional repressor of phenylacetic acid degradation, aryl-CoA responsive: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
BP1

B
BP1

DNA-binding transcriptional repressor of phenylacetic acid degradation, aryl-CoA responsive

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