SMTL ID : 1yah.1

Crystal Structure of Human Liver Carboxylesterase complexed to Etyl Acetate; A Fatty Acid Ethyl Ester Analogue

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-trimer

Ligands

3 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 3 residues within 4Å: Chain A: N.59, T.61 Ligands: SIA.2 No protein-ligand interaction detected (PLIP) NAG.8: 4 residues within 4Å: Chain B: L.14, N.59 Chain C: D.240 Ligands: SIA.9 1 PLIP interactions: 1 interactions with chain B Water bridges: B:N.59 NAG.13: 4 residues within 4Å: Chain A: D.240 Chain C: L.14, N.59 Ligands: SIA.3 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:N.59 Water bridges: C:N.59, C:T.61

3 x SIA: N-acetyl-alpha-neuraminic acid(Non-covalent)

SIA.2: 8 residues within 4Å: Chain A: L.31, G.32, N.59, S.62, Y.63, Y.98 Chain B: T.257 Ligands: NAG.1 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:L.31, A:N.59, A:N.59, A:S.62 Water bridges: A:S.62 SIA.3: 12 residues within 4Å: Chain A: D.162, K.242, T.258, S.259 Chain C: L.31, G.32, K.58, N.59, S.62, P.64, Y.98 Ligands: NAG.13 7 PLIP interactions: 3 interactions with chain A, 4 interactions with chain C Hydrogen bonds: A:K.242, A:S.259, C:N.59, C:S.62, C:S.62 Salt bridges: A:K.242 Water bridges: C:Y.98 SIA.9: 9 residues within 4Å: Chain B: G.32, K.58, N.59, S.62, Y.63, P.64, Y.98 Chain C: K.242 Ligands: NAG.8 5 PLIP interactions: 2 interactions with chain C, 3 interactions with chain B Water bridges: C:K.242, C:K.242, B:S.62 Hydrogen bonds: B:N.59, B:N.59

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

SO4.4: 4 residues within 4Å: Chain A: A.260, H.264, R.267 Chain C: L.40 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.268 Salt bridges: A:H.264, A:R.267 SO4.5: 6 residues within 4Å: Chain A: R.44, R.267, Q.268, K.269 Chain B: H.264, Q.268 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.267 Salt bridges: A:R.44, B:H.264 SO4.10: 4 residues within 4Å: Chain A: L.40 Chain B: H.264, R.267, Q.268 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Q.268 Water bridges: B:A.260, A:L.40 Salt bridges: B:H.264, B:R.267 SO4.14: 6 residues within 4Å: Chain A: H.264 Chain C: R.44, E.94, K.269, T.270, E.271 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain A Hydrogen bonds: C:R.44, C:E.271 Salt bridges: A:H.264 SO4.15: 3 residues within 4Å: Chain C: H.264, R.267, Q.268 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:Q.268 Salt bridges: C:H.264, C:R.267 SO4.16: 4 residues within 4Å: Chain B: T.270 Chain C: H.264, C.265, Q.268 No protein-ligand interaction detected (PLIP)

6 x EEE: ETHYL ACETATE(Non-covalent)

EEE.6: 3 residues within 4Å: Chain A: G.123, S.201, L.284 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.284 Salt bridges: A:H.447 EEE.7: 2 residues within 4Å: Chain A: L.347, K.393 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.393 EEE.11: 4 residues within 4Å: Chain B: G.122, G.123, S.201, H.447 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:S.201 Water bridges: B:G.122 Salt bridges: B:H.447 EEE.12: 2 residues within 4Å: Chain B: L.347, K.393 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:K.393 EEE.17: 3 residues within 4Å: Chain C: G.122, G.123, S.201 2 PLIP interactions: 2 interactions with chain C Water bridges: C:G.122 Salt bridges: C:H.447 EEE.18: 2 residues within 4Å: Chain C: L.347, K.393 2 PLIP interactions: 2 interactions with chain C Water bridges: C:K.393 Salt bridges: C:K.393

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fleming, C.D. et al., Structural insights into drug processing by human carboxylesterase 1: tamoxifen, mevastatin, and inhibition by benzil. J.Mol.Biol. (2005)

Release Date

2005-08-02

Peptides

CES1 protein: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

CES1 protein

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