SMTL ID : 1jep.4 (4 other biounits)

Chalcone Isomerase Complexed with 4'-hydroxyflavanone

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 5 residues within 4Å: Chain A: G.125, D.126, A.127, E.128 Chain B: L.78 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:D.126, A:A.127 Water bridges: A:E.128, B:R.82, B:R.82 SO4.2: 2 residues within 4Å: Chain A: F.44, R.99 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.99 SO4.3: 4 residues within 4Å: Chain A: A.196, V.197, S.198 Ligands: DFL.4 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.195, A:V.197, A:S.198, A:S.198 SO4.5: 5 residues within 4Å: Chain A: L.78 Chain B: G.125, D.126, A.127, E.128 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:D.126, B:D.126, B:A.127 Water bridges: B:E.128, A:R.82, A:R.82 SO4.6: 5 residues within 4Å: Chain B: T.190, A.196, V.197, S.198 Ligands: DFL.7 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:T.190, B:V.197, B:S.198 Salt bridges: B:R.36

2 x DFL: 2-(4-HYDROXY-PHENYL)-CHROMAN-4-ONE(Non-covalent)

DFL.4: 13 residues within 4Å: Chain A: R.36, L.38, F.47, T.48, I.50, L.101, E.105, Y.106, K.109, N.113, T.190, M.191 Ligands: SO4.3 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:R.36, A:R.36, A:F.47, A:T.48, A:I.50, A:Y.106, A:Y.106, A:K.109 DFL.7: 11 residues within 4Å: Chain B: R.36, T.48, I.50, L.101, E.105, Y.106, K.109, N.113, T.190, M.191 Ligands: SO4.6 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:R.36, B:Y.106, B:Y.106, B:K.109 Hydrogen bonds: B:Y.106

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jez, J.M. et al., Reaction mechanism of chalcone isomerase. pH dependence, diffusion control, and product binding differences. J.Biol.Chem. (2002)

Release Date

2001-12-12

Peptides

CHALCONE--FLAVONONE ISOMERASE 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CHALCONE--FLAVONONE ISOMERASE 1

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