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- PDB-3wf3: Crystal structure of human beta-galactosidase mutant I51T in comp... -

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Basic information

Entry
Database: PDB / ID: 3wf3
TitleCrystal structure of human beta-galactosidase mutant I51T in complex with Galactose
ComponentsBeta-galactosidase
KeywordsHYDROLASE / GLYCOSYL HYDROLASE / TIM-BARREL DOMAIN
Function / homology
Function and homology information


MPS IV - Morquio syndrome B / response to cortisone / keratan sulfate catabolic process / response to Thyroglobulin triiodothyronine / Defective NEU1 causes sialidosis / Keratan sulfate degradation / galactose catabolic process / heparan sulfate proteoglycan catabolic process / Sialic acid metabolism / HS-GAG degradation ...MPS IV - Morquio syndrome B / response to cortisone / keratan sulfate catabolic process / response to Thyroglobulin triiodothyronine / Defective NEU1 causes sialidosis / Keratan sulfate degradation / galactose catabolic process / heparan sulfate proteoglycan catabolic process / Sialic acid metabolism / HS-GAG degradation / galactoside binding / glycosphingolipid catabolic process / Glycosphingolipid catabolism / beta-galactosidase / vacuole / beta-galactosidase activity / lysosomal lumen / azurophil granule lumen / ficolin-1-rich granule lumen / carbohydrate metabolic process / intracellular membrane-bounded organelle / Neutrophil degranulation / perinuclear region of cytoplasm / Golgi apparatus / protein homodimerization activity / extracellular exosome / extracellular region / cytoplasm
Similarity search - Function
: / Beta-galactosidase, first all-beta domain / Beta-galactosidase 1-like / : / Beta-galactosidase, galactose-binding domain / Beta-galactosidase second all-beta domain / Glycoside hydrolase, family 35, conserved site / Glycosyl hydrolases family 35 putative active site. / Glycoside hydrolase 35, catalytic domain / Glycosyl hydrolases family 35 ...: / Beta-galactosidase, first all-beta domain / Beta-galactosidase 1-like / : / Beta-galactosidase, galactose-binding domain / Beta-galactosidase second all-beta domain / Glycoside hydrolase, family 35, conserved site / Glycosyl hydrolases family 35 putative active site. / Glycoside hydrolase 35, catalytic domain / Glycosyl hydrolases family 35 / Glycoside hydrolase, family 35 / Galactose-binding domain-like / Galactose-binding-like domain superfamily / Glycosidases / Glycoside hydrolase superfamily / Jelly Rolls / TIM Barrel / Alpha-Beta Barrel / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
beta-D-galactopyranose / Beta-galactosidase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.15 Å
AuthorsSuzuki, H. / Ohto, U. / Shimizu, T.
CitationJournal: to be published
Title: Structural basis of pharmacological chaperoning for human beta-galactosidase
Authors: Suzuki, H. / Ohto, U. / Higaki, K. / Mena-Barragan, T. / Aguilar-Moncayo, M. / Ortiz Mellet, C. / Nanba, E. / Garcia Fernandez, J.M. / Suzuki, Y. / Shimizu, T.
History
DepositionJul 16, 2013Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Apr 23, 2014Provider: repository / Type: Initial release
Revision 1.1Jul 29, 2020Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_conn / struct_ref_seq_dif / 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_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.2Nov 8, 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: Beta-galactosidase
B: Beta-galactosidase
C: Beta-galactosidase
D: Beta-galactosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)312,09244
Polymers306,4254
Non-polymers5,66740
Water25,7251428
1
A: Beta-galactosidase
D: Beta-galactosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)156,04622
Polymers153,2132
Non-polymers2,83320
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6030 Å2
ΔGint-43 kcal/mol
Surface area44700 Å2
MethodPISA
2
B: Beta-galactosidase
C: Beta-galactosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)156,04622
Polymers153,2132
Non-polymers2,83320
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6160 Å2
ΔGint-41 kcal/mol
Surface area44600 Å2
MethodPISA
Unit cell
Length a, b, c (Å)94.960, 115.888, 140.284
Angle α, β, γ (deg.)90.00, 92.23, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
Beta-galactosidase / / Acid beta-galactosidase / Lactase / Elastin receptor 1


Mass: 76606.297 Da / Num. of mol.: 4 / Mutation: I51T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ELNR1, GLB1 / Production host: Pichia pastoris (fungus) / References: UniProt: P16278, beta-galactosidase

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Sugars , 2 types, 20 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 / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 16
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-GAL / beta-D-galactopyranose / beta-D-galactose / D-galactose / galactose / Galactose


Type: D-saccharide, beta linking / Mass: 180.156 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Formula: C6H12O6
IdentifierTypeProgram
DGalpbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
b-D-galactopyranoseCOMMON NAMEGMML 1.0
b-D-GalpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GalSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 4 types, 1448 molecules

#4: Chemical
ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Cl
#5: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: SO4
#6: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C2H6O2
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 1428 / 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: 2.62 Å3/Da / Density % sol: 53.02 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: PEG 3350, Ammonium sulfate, HEPES, pH 7.5, vapor diffusion, sittingdrop, temperature 277K

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Data collection

DiffractionMean temperature: 95 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NE3A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: Jan 20, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.15→50 Å / Num. obs: 160267 / % possible obs: 96.4 % / Redundancy: 3.2 % / Rmerge(I) obs: 0.154 / Net I/σ(I): 15.5
Reflection shellResolution: 2.15→2.19 Å / Redundancy: 3.3 % / Rmerge(I) obs: 0.478 / Mean I/σ(I) obs: 3.5 / % possible all: 98.6

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Processing

Software
NameVersionClassificationNB
REFMAC5.7.0029refinement
PDB_EXTRACT3.11data extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3THC

3thc


Resolution: 2.15→27.3 Å / Cor.coef. Fo:Fc: 0.941 / Cor.coef. Fo:Fc free: 0.913 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 5.538 / SU ML: 0.144 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.243 / ESU R Free: 0.2 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES: REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2419 7765 4.9 %RANDOM
Rwork0.1955 ---
obs0.1978 158881 96.38 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 103.95 Å2 / Biso mean: 29.4081 Å2 / Biso min: 13.66 Å2
Baniso -1Baniso -2Baniso -3
1--0 Å20 Å2-0 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 2.15→27.3 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms19202 0 348 1428 20978
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.01920234
X-RAY DIFFRACTIONr_bond_other_d0.0020.0218635
X-RAY DIFFRACTIONr_angle_refined_deg1.71.97327606
X-RAY DIFFRACTIONr_angle_other_deg1.3453.00142857
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.15452410
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.64223.805912
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.301153077
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.0921596
X-RAY DIFFRACTIONr_chiral_restr0.0940.22985
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.02122684
X-RAY DIFFRACTIONr_gen_planes_other0.0010.024760
LS refinement shellResolution: 2.15→2.205 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.302 562 -
Rwork0.231 11376 -
all-11938 -
obs--98.56 %

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