SMTL ID : 2ar8.1

The structure of tryptophan 7-halogenase (PrnA)suggests a mechanism for regioselective chlorination

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

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

CL.1: 5 residues within 4Å: Chain A: P.344, S.347, T.348, G.349 Ligands: FAD.3 Ligand excluded by PLIP CL.4: 5 residues within 4Å: Chain B: P.344, S.347, T.348, G.349 Ligands: FAD.6 Ligand excluded by PLIP

2 x CTE: 7-CHLOROTRYPTOPHAN(Non-covalent)

CTE.2: 15 residues within 4Å: Chain A: I.52, P.53, K.79, I.82, H.101, L.102, F.103, E.346, S.347, Y.443, Y.444, E.450, F.454, W.455, N.459 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:F.103, A:W.455 Hydrogen bonds: A:E.346, A:Y.444, A:E.450, A:E.450 Water bridges: A:G.104, A:E.450, A:N.459, A:N.459 pi-Stacking: A:H.101 Halogen bonds: A:S.347 CTE.5: 15 residues within 4Å: Chain B: I.52, P.53, K.79, I.82, H.101, L.102, F.103, E.346, S.347, Y.443, Y.444, E.450, F.454, W.455, N.459 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:F.103, B:W.455 Hydrogen bonds: B:E.346, B:E.346, B:Y.443, B:E.450 Water bridges: B:G.104, B:E.450, B:N.459, B:N.459 pi-Stacking: B:H.101 Halogen bonds: B:S.347

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

FAD.3: 35 residues within 4Å: Chain A: G.12, G.13, G.14, T.15, A.16, E.38, S.39, I.42, P.43, R.44, I.45, V.47, E.49, A.50, A.164, D.185, E.186, V.187, C.217, S.218, G.219, M.220, R.221, L.223, W.274, I.276, I.317, G.336, L.337, F.341, P.344, G.349, I.350, I.353 Ligands: CL.1 28 PLIP interactions: 28 interactions with chain A Hydrophobic interactions: A:I.45, A:V.47, A:W.274, A:I.317, A:F.341, A:P.344 Hydrogen bonds: A:G.13, A:G.13, A:G.14, A:T.15, A:A.16, A:S.39, A:I.42, A:I.45, A:E.49, A:A.50, A:A.50, A:V.187, A:V.187, A:L.337, A:G.349, A:I.350 Water bridges: A:G.17, A:M.220, A:R.221, A:S.338, A:S.347, A:Y.351 FAD.6: 35 residues within 4Å: Chain B: G.12, G.13, G.14, T.15, A.16, E.38, S.39, I.42, P.43, R.44, I.45, V.47, E.49, A.50, A.164, D.185, E.186, V.187, C.217, S.218, G.219, M.220, R.221, L.223, W.274, I.276, I.317, G.336, L.337, F.341, P.344, G.349, I.350, I.353 Ligands: CL.4 30 PLIP interactions: 30 interactions with chain B Hydrophobic interactions: B:I.45, B:V.47, B:W.274, B:I.317, B:F.341, B:P.344 Hydrogen bonds: B:G.13, B:G.13, B:G.14, B:A.16, B:S.39, B:I.42, B:I.45, B:E.49, B:E.49, B:A.50, B:A.50, B:V.187, B:V.187, B:L.337, B:G.349, B:I.350 Water bridges: B:T.15, B:T.15, B:G.17, B:M.220, B:R.221, B:S.338, B:S.347, B:Y.351

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dong, C. et al., Tryptophan 7-halogenase (PrnA) structure suggests a mechanism for regioselective chlorination. Science (2005)

Release Date

2005-10-04

Peptides

tryptophan halogenase PrnA: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

tryptophan halogenase PrnA

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