SMTL ID : 2imd.1

Structure of SeMet 2-hydroxychromene-2-carboxylate isomerase (HCCA isomerase)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-dimer

Ligands

4 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 8 residues within 4Å: Chain A: L.39, K.43, S.52, N.53, R.54 Ligands: GSH.3, TOH.4, 2C2.5 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.53, A:R.54 Water bridges: A:N.53 Salt bridges: A:K.43 PO4.2: 4 residues within 4Å: Chain A: R.20, W.70, F.185 Chain B: F.185 3 PLIP interactions: 3 interactions with chain A Water bridges: A:F.185, A:F.185 Salt bridges: A:R.20 PO4.7: 8 residues within 4Å: Chain B: L.39, K.43, S.52, N.53, R.54 Ligands: GSH.9, TOH.10, 2C2.11 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.53, B:R.54 Water bridges: B:N.53 Salt bridges: B:K.43 PO4.8: 4 residues within 4Å: Chain A: F.185 Chain B: R.20, W.70, F.185 3 PLIP interactions: 3 interactions with chain B Water bridges: B:F.185, B:F.185 Salt bridges: B:R.20

2 x GSH: GLUTATHIONE(Non-covalent)

GSH.3: 16 residues within 4Å: Chain A: S.11, F.13, L.39, N.48, F.166, G.167, V.168, W.179, G.180, N.181, D.182 Chain B: K.59, R.183 Ligands: PO4.1, TOH.4, 2C2.5 14 PLIP interactions: 3 interactions with chain B, 11 interactions with chain A Hydrogen bonds: B:R.183, A:V.168, A:V.168, A:N.181, A:D.182, A:D.182, A:D.182 Salt bridges: B:K.59, B:R.183 Hydrophobic interactions: A:F.13, A:W.179 Water bridges: A:N.53, A:N.53, A:N.181 GSH.9: 16 residues within 4Å: Chain A: K.59, R.183 Chain B: S.11, F.13, L.39, N.48, F.166, G.167, V.168, W.179, G.180, N.181, D.182 Ligands: PO4.7, TOH.10, 2C2.11 14 PLIP interactions: 11 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.13, B:W.179 Hydrogen bonds: B:V.168, B:V.168, B:N.181, B:D.182, B:D.182, B:D.182, A:R.183 Water bridges: B:N.53, B:N.53, B:N.181 Salt bridges: A:K.59, A:R.183

2 x TOH: (3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC ACID(Non-covalent)

TOH.4: 15 residues within 4Å: Chain A: L.10, P.12, F.13, L.39, K.43, S.52, N.53, R.54, L.60, L.63, F.80, Y.84 Ligands: PO4.1, GSH.3, 2C2.5 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.10, A:P.12, A:F.13, A:L.60, A:L.63, A:Y.84 Hydrogen bonds: A:N.53, A:R.54 Salt bridges: A:K.43, A:R.54 TOH.10: 15 residues within 4Å: Chain B: L.10, P.12, F.13, L.39, K.43, S.52, N.53, R.54, L.60, L.63, F.80, Y.84 Ligands: PO4.7, GSH.9, 2C2.11 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:L.10, B:P.12, B:F.13, B:L.60, B:L.63, B:Y.84 Hydrogen bonds: B:N.53, B:R.54 Salt bridges: B:K.43, B:R.54

2 x 2C2: (2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC ACID(Non-covalent)

2C2.5: 12 residues within 4Å: Chain A: L.10, P.12, F.13, L.39, S.52, N.53, R.54, L.60, Y.84 Ligands: PO4.1, GSH.3, TOH.4 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:P.12, A:F.13, A:L.39, A:L.60 Hydrogen bonds: A:N.53, A:R.54, A:R.54 Salt bridges: A:K.43, A:R.54 2C2.11: 12 residues within 4Å: Chain B: L.10, P.12, F.13, L.39, S.52, N.53, R.54, L.60, Y.84 Ligands: PO4.7, GSH.9, TOH.10 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:P.12, B:F.13, B:L.39, B:L.60 Hydrogen bonds: B:N.53, B:R.54, B:R.54 Salt bridges: B:K.43, B:R.54

2 x CXS: 3-CYCLOHEXYL-1-PROPYLSULFONIC ACID(Non-covalent)

CXS.6: 6 residues within 4Å: Chain A: Y.95, S.96, G.97, Q.101, W.135, F.143 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.95, A:F.143 Hydrogen bonds: A:Y.95, A:G.97, A:Q.101, A:Q.101 Water bridges: A:A.98, A:A.98 CXS.12: 6 residues within 4Å: Chain B: Y.95, S.96, G.97, Q.101, W.135, F.143 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Y.95, B:F.143 Hydrogen bonds: B:Y.95, B:G.97, B:Q.101, B:Q.101 Water bridges: B:A.98, B:A.98

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Thompson, L.C. et al., 2-Hydroxychromene-2-carboxylic Acid Isomerase: A Kappa Class Glutathione Transferase from Pseudomonas putida. Biochemistry (2007)

Release Date

2007-06-12

Peptides

2-hydroxychromene-2-carboxylate isomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

2-hydroxychromene-2-carboxylate isomerase

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