SMTL ID : 1mx1.1

Crystal Structure of Human Liver Carboxylesterase in complex with tacrine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-hexamer

Ligands

1 x NAG- NDG: 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NDG.1: 2 residues within 4Å: Chain C: N.61, T.63 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:N.61, C:T.63 Water bridges: C:S.64

6 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)(Non-functional Binders)

NAG.2: 2 residues within 4Å: Chain A: N.61, T.63 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.61 Water bridges: A:T.63 NAG.5: 3 residues within 4Å: Chain B: L.16, N.61, T.63 No protein-ligand interaction detected (PLIP) NAG.9: 4 residues within 4Å: Chain D: L.16, N.61, T.63, S.64 3 PLIP interactions: 3 interactions with chain D Hydrophobic interactions: D:L.16 Hydrogen bonds: D:N.61 Water bridges: D:T.63 NAG.12: 2 residues within 4Å: Chain E: L.16, N.61 6 PLIP interactions: 4 interactions with chain E, 2 interactions with chain F Hydrogen bonds: E:N.61 Water bridges: E:N.61, E:N.61, E:T.63, F:D.242, F:D.242 NAG.15: 4 residues within 4Å: Chain F: N.61, T.63, S.64 Ligands: NAG.16 2 PLIP interactions: 2 interactions with chain F Hydrogen bonds: F:N.61, F:T.63 NAG.16: 1 residues within 4Å: Ligands: NAG.15 No protein-ligand interaction detected (PLIP)

4 x SIA: N-acetyl-alpha-neuraminic acid(Post Translational Modification)(Non-covalent)

SIA.3: 11 residues within 4Å: Chain A: L.33, G.34, N.61, A.62, T.63, S.64, P.66, D.97, Y.100 Chain B: K.244, T.260 11 PLIP interactions: 6 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:G.34, A:T.63, A:S.64, A:S.64, A:S.64, B:K.244, B:K.244 Water bridges: A:K.60, B:S.261, B:S.261 Hydrophobic interactions: B:T.260 SIA.6: 14 residues within 4Å: Chain B: L.33, G.34, K.60, N.61, A.62, T.63, S.64, P.66, P.67, D.97, Y.100 Chain C: D.164, T.260, S.261 16 PLIP interactions: 11 interactions with chain B, 5 interactions with chain C Hydrophobic interactions: B:P.66, C:T.260 Hydrogen bonds: B:G.34, B:G.34, B:K.60, B:N.61, B:T.63, B:S.64, B:Y.100, C:D.164 Water bridges: B:K.60, B:N.61, B:S.64, C:E.165, C:S.261, C:S.261 SIA.10: 8 residues within 4Å: Chain D: G.34, K.60, N.61, S.64, P.67, Y.100 Chain E: T.259, T.260 12 PLIP interactions: 9 interactions with chain D, 3 interactions with chain E Hydrophobic interactions: D:P.67, D:Y.100, E:T.260 Hydrogen bonds: D:G.34, D:N.61, D:S.64, D:S.64 Water bridges: D:K.60, D:S.64, D:S.64, E:D.164, E:S.261 SIA.13: 10 residues within 4Å: Chain E: L.33, G.34, K.60, N.61, S.64, Y.65, P.66, P.67, Y.100 Chain F: K.244 18 PLIP interactions: 8 interactions with chain F, 10 interactions with chain E Hydrogen bonds: F:K.244, E:L.33, E:G.34, E:N.61, E:N.61, E:S.64, E:S.64 Water bridges: F:D.164, F:D.164, F:D.164, F:D.164, F:K.244, F:T.259, F:S.261, E:T.63, E:T.63 Hydrophobic interactions: E:K.60, E:Y.100

6 x THA: TACRINE(Non-covalent)

THA.4: 8 residues within 4Å: Chain A: L.79, F.83, G.124, S.203, V.236, L.286, L.344, H.449 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.79, A:F.83, A:V.236, A:L.344 Hydrogen bonds: A:G.125, A:S.203 THA.7: 6 residues within 4Å: Chain B: S.203, V.236, L.286, L.344, M.406, H.449 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:V.236, B:L.286, B:L.286, B:L.344, B:L.344 Hydrogen bonds: B:S.203, B:S.203 Water bridges: B:G.125 THA.8: 10 residues within 4Å: Chain C: S.203, A.204, T.234, V.236, L.237, L.300, L.344, M.406, F.407, H.449 7 PLIP interactions: 7 interactions with chain C Hydrophobic interactions: C:T.234, C:V.236, C:L.237, C:L.237, C:L.344, C:F.407 Water bridges: C:G.125 THA.11: 6 residues within 4Å: Chain D: S.203, V.236, L.286, L.344, F.407, H.449 7 PLIP interactions: 7 interactions with chain D Hydrophobic interactions: D:V.236, D:L.286, D:L.344, D:L.344, D:F.407 Hydrogen bonds: D:S.203, D:S.203 THA.14: 9 residues within 4Å: Chain E: L.79, S.203, V.236, L.286, L.300, L.344, L.369, M.406, H.449 9 PLIP interactions: 9 interactions with chain E Hydrophobic interactions: E:L.79, E:V.236, E:L.286, E:L.300, E:L.344, E:L.369 Hydrogen bonds: E:S.203, E:S.203 Water bridges: E:G.125 THA.17: 10 residues within 4Å: Chain F: G.125, S.203, V.236, L.237, L.286, L.344, M.345, M.406, F.407, H.449 10 PLIP interactions: 10 interactions with chain F Hydrophobic interactions: F:V.236, F:L.237, F:L.286, F:L.344, F:L.344, F:F.407 Hydrogen bonds: F:G.125, F:S.203, F:S.203 Water bridges: F:G.124

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bencharit, S. et al., Crystal Structure of Human Carboxylesterase 1 Complexed with the Alzheimer's Drug Tacrine: From Binding Promiscuity to Selective Inhibition. CHEM.BIOL. (2003)

Release Date

2003-04-22

Peptides

liver Carboxylesterase I: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

liver Carboxylesterase I

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