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- PDB-1yaj: Crystal Structure of Human Liver Carboxylesterase in complex with... -

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Basic information

Entry
Database: PDB / ID: 1yaj
TitleCrystal Structure of Human Liver Carboxylesterase in complex with benzil
ComponentsCES1 protein
KeywordsHYDROLASE / Carboxylesterase / Benzil / Inhibition
Function / homology
Function and homology information


cholesterol ester hydrolysis involved in cholesterol transport / methylumbelliferyl-acetate deacetylase / methylumbelliferyl-acetate deacetylase activity / regulation of bile acid secretion / sterol esterase / sterol ester esterase activity / medium-chain fatty acid metabolic process / carboxylesterase / Physiological factors / carboxylesterase activity ...cholesterol ester hydrolysis involved in cholesterol transport / methylumbelliferyl-acetate deacetylase / methylumbelliferyl-acetate deacetylase activity / regulation of bile acid secretion / sterol esterase / sterol ester esterase activity / medium-chain fatty acid metabolic process / carboxylesterase / Physiological factors / carboxylesterase activity / regulation of bile acid biosynthetic process / cellular response to cholesterol / positive regulation of cholesterol metabolic process / reverse cholesterol transport / Phase I - Functionalization of compounds / carboxylic ester hydrolase activity / cholesterol biosynthetic process / Aspirin ADME / negative regulation of cholesterol storage / cellular response to low-density lipoprotein particle stimulus / positive regulation of cholesterol efflux / Metabolism of Angiotensinogen to Angiotensins / cholesterol metabolic process / lipid catabolic process / lipid droplet / epithelial cell differentiation / cholesterol homeostasis / response to toxic substance / endoplasmic reticulum lumen / endoplasmic reticulum / cytosol / cytoplasm
Similarity search - Function
: / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold ...: / Carboxylesterase type B, active site / Carboxylesterases type-B serine active site. / Carboxylesterase type B, conserved site / Carboxylesterases type-B signature 2. / Carboxylesterase, type B / Carboxylesterase family / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
BENZOIC ACID / N-acetyl-alpha-neuraminic acid / Liver carboxylesterase 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å
AuthorsFleming, C.D. / Bencharit, S. / Edwards, C.C. / Hyatt, J.L. / Morton, C.M. / Howard-Williams, E.L. / Potter, P.M. / Redinbo, M.R.
CitationJournal: J.Mol.Biol. / Year: 2005
Title: Structural insights into drug processing by human carboxylesterase 1: tamoxifen, mevastatin, and inhibition by benzil.
Authors: Fleming, C.D. / Bencharit, S. / Edwards, C.C. / Hyatt, J.L. / Tsurkan, L. / Bai, F. / Fraga, C. / Morton, C.L. / Howard-Williams, E.L. / Potter, P.M. / Redinbo, M.R.
History
DepositionDec 17, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 2, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Jul 29, 2020Group: Advisory / Data collection ...Advisory / Data collection / Derived calculations / Structure summary
Category: chem_comp / database_PDB_caveat ...chem_comp / database_PDB_caveat / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.4Aug 23, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: CES1 protein
B: CES1 protein
C: CES1 protein
D: CES1 protein
E: CES1 protein
F: CES1 protein
G: CES1 protein
H: CES1 protein
I: CES1 protein
J: CES1 protein
K: CES1 protein
L: CES1 protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)715,66984
Polymers704,06712
Non-polymers11,60272
Water8,539474
1
A: CES1 protein
B: CES1 protein
C: CES1 protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)178,91721
Polymers176,0173
Non-polymers2,90118
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9310 Å2
ΔGint-91 kcal/mol
Surface area58820 Å2
MethodPISA
2
D: CES1 protein
E: CES1 protein
F: CES1 protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)178,91721
Polymers176,0173
Non-polymers2,90118
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9330 Å2
ΔGint-84 kcal/mol
Surface area58620 Å2
MethodPISA
3
G: CES1 protein
H: CES1 protein
I: CES1 protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)178,91721
Polymers176,0173
Non-polymers2,90118
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9140 Å2
ΔGint-93 kcal/mol
Surface area59090 Å2
MethodPISA
4
J: CES1 protein
K: CES1 protein
L: CES1 protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)178,91721
Polymers176,0173
Non-polymers2,90118
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9130 Å2
ΔGint-91 kcal/mol
Surface area59050 Å2
MethodPISA
Unit cell
Length a, b, c (Å)54.560, 181.493, 202.712
Angle α, β, γ (deg.)90.1195, 89.9291, 89.7185
Int Tables number1
Space group name H-MP1

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Components

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Protein , 1 types, 12 molecules ABCDEFGHIJKL

#1: Protein
CES1 protein


Mass: 58672.227 Da / Num. of mol.: 12
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Spodoptera frugiperda (fall armyworm) / Strain (production host): Sf9 / References: UniProt: P23141, carboxylesterase

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Sugars , 2 types, 24 molecules

#2: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 12
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#3: Sugar
ChemComp-SIA / N-acetyl-alpha-neuraminic acid / N-acetylneuraminic acid / sialic acid / alpha-sialic acid / O-SIALIC ACID


Type: D-saccharide, alpha linking / Mass: 309.270 Da / Num. of mol.: 12
Source method: isolated from a genetically manipulated source
Formula: C11H19NO9
IdentifierTypeProgram
DNeup5AcaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-a-D-neuraminic acidCOMMON NAMEGMML 1.0
a-D-Neup5AcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
Neu5AcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 3 types, 522 molecules

#4: Chemical...
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 24 / Source method: obtained synthetically / Formula: SO4
#5: Chemical...
ChemComp-BEZ / BENZOIC ACID


Mass: 122.121 Da / Num. of mol.: 24 / Source method: obtained synthetically / Formula: C7H6O2
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 474 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.96 Å3/Da / Density % sol: 58.42 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5.5
Details: PEG 3350, Sodium Chloride, Lithium Chloride, Lithium Sulfate, Citrate, Glycerol, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1.022 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Dec 10, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.022 Å / Relative weight: 1
ReflectionResolution: 3.2→50 Å / Num. all: 124749 / Num. obs: 124749 / % possible obs: 97.2 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 5.5 % / Biso Wilson estimate: 32.2 Å2 / Rmerge(I) obs: 0.156 / Rsym value: 0.156 / Net I/σ(I): 3.9
Reflection shellResolution: 3.2→3.31 Å / Rmerge(I) obs: 0.446 / Mean I/σ(I) obs: 1.8 / Rsym value: 0.446 / % possible all: 96.9

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Processing

Software
NameVersionClassification
CNS1refinement
MOSFLMdata reduction
CCP4(SCALA)data scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1MX5

1mx5


Resolution: 3.2→54.56 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 2488896.98 / Data cutoff high rms absF: 2488896.98 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 1 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.287 8767 7 %RANDOM
Rwork0.207 ---
all0.207 ---
obs0.207 124749 97.2 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 40.9222 Å2 / ksol: 0.372895 e/Å3
Displacement parametersBiso mean: 32.2 Å2
Baniso -1Baniso -2Baniso -3
1-14.78 Å20.91 Å23.16 Å2
2---8.19 Å22.47 Å2
3----6.6 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.48 Å0.33 Å
Luzzati d res low-5 Å
Luzzati sigma a0.66 Å0.5 Å
Refinement stepCycle: LAST / Resolution: 3.2→54.56 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms49566 0 753 474 50793
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.219
X-RAY DIFFRACTIONc_angle_deg3.3
X-RAY DIFFRACTIONc_dihedral_angle_d23.3
X-RAY DIFFRACTIONc_improper_angle_d2.47
LS refinement shellResolution: 3.2→3.4 Å / Rfactor Rfree error: 0.01 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.359 1392 6.7 %
Rwork0.284 19288 -
obs--96.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2CARBOHYDRATE.PARAMCARBOHYDRATE.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION4ION.PARAMION.TOP
X-RAY DIFFRACTION5COV.PARCOV.TOP

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