SMTL ID : 1pbb.1

CRYSTAL STRUCTURES OF WILD-TYPE P-HYDROXYBENZOATE HYDROXYLASE COMPLEXED WITH 4-AMINOBENZOATE, 2,4-DIHYDROXYBENZOATE AND 2-HYDROXY-4-AMINOBENZOATE AND OF THE TRY222ALA MUTANT, COMPLEXED WITH 2-HYDROXY-4-AMINOBENZOATE. EVIDENCE FOR A PROTON CHANNEL AND A NEW BINDING MODE OF THE FLAVIN RING

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.1: 26 residues within 4Å: Chain A: I.8, G.9, G.11, P.12, S.13, L.31, E.32, R.33, Q.34, R.42, R.44, A.45, Q.102, V.127, C.158, D.159, G.160, G.163, I.164, Y.222, G.285, D.286, P.293, G.298, L.299 Ligands: DOB.2 31 PLIP interactions: 31 interactions with chain A Hydrophobic interactions: A:R.44 Hydrogen bonds: A:A.10, A:S.13, A:S.13, A:S.13, A:R.33, A:R.33, A:R.42, A:R.42, A:R.44, A:Q.102, A:Q.102, A:I.164, A:D.286 Water bridges: A:G.11, A:G.14, A:R.33, A:R.44, A:V.47, A:V.127, A:V.127, A:V.127, A:G.160, A:F.161, A:D.286, A:D.286, A:A.287, A:A.302 Salt bridges: A:R.42, A:R.44 pi-Cation interactions: A:R.33 FAD.3: 26 residues within 4Å: Chain B: I.8, G.9, G.11, P.12, S.13, L.31, E.32, R.33, Q.34, R.42, R.44, A.45, Q.102, V.127, C.158, D.159, G.160, G.163, I.164, Y.222, G.285, D.286, P.293, G.298, L.299 Ligands: DOB.4 32 PLIP interactions: 32 interactions with chain B Hydrophobic interactions: B:R.44 Hydrogen bonds: B:A.10, B:S.13, B:S.13, B:S.13, B:R.33, B:R.33, B:R.42, B:R.42, B:R.44, B:Q.102, B:Q.102, B:I.164, B:Y.222, B:D.286 Water bridges: B:G.11, B:G.14, B:R.33, B:R.44, B:V.47, B:V.127, B:V.127, B:V.127, B:G.160, B:F.161, B:D.286, B:D.286, B:A.287, B:A.302 Salt bridges: B:R.42, B:R.44 pi-Cation interactions: B:R.33

2 x DOB: 2,4-DIHYDROXYBENZOIC ACID(Non-covalent)

DOB.2: 13 residues within 4Å: Chain A: R.44, V.47, W.185, L.199, Y.201, L.210, S.212, R.214, Y.222, P.293, T.294, A.296 Ligands: FAD.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:V.47, A:W.185, A:L.199 Hydrogen bonds: A:S.212, A:S.212, A:Y.222, A:Y.222, A:P.293 Water bridges: A:G.46, A:G.46 Salt bridges: A:R.214 DOB.4: 13 residues within 4Å: Chain B: R.44, V.47, W.185, L.199, Y.201, L.210, S.212, R.214, Y.222, P.293, T.294, A.296 Ligands: FAD.3 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:V.47, B:W.185, B:L.199 Hydrogen bonds: B:Y.201, B:S.212, B:S.212, B:Y.222, B:P.293 Water bridges: B:G.46, B:G.46 Salt bridges: B:R.214

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schreuder, H.A. et al., Crystal structures of wild-type p-hydroxybenzoate hydroxylase complexed with 4-aminobenzoate,2,4-dihydroxybenzoate, and 2-hydroxy-4-aminobenzoate and of the Tyr222Ala mutant complexed with 2-hydroxy-4-aminobenzoate. Evidence for a proton channel and a new binding mode of the flavin ring. Biochemistry (1994)

Release Date

1994-09-30

Peptides

P-HYDROXYBENZOATE HYDROXYLASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

P-HYDROXYBENZOATE HYDROXYLASE

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