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- PDB-2wbg: Structure of family 1 beta-glucosidase from Thermotoga maritima i... -

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Basic information

Entry
Database: PDB / ID: 2wbg
TitleStructure of family 1 beta-glucosidase from Thermotoga maritima in complex with 3-imino-2-oxa-(+)-castanospermine
ComponentsBETA-GLUCOSIDASE A
KeywordsHYDROLASE / CASTANOSPERMINE / GLYCOSIDE HYDROLASE / POLYSACCHARIDE DEGRADATION / CELLULOSE DEGRADATION / CARBOHYDRATE METABOLISM / FAMILY 1 / INHIBITORS / GLYCOSIDASE
Function / homology
Function and homology information


beta-glucosidase / beta-glucosidase activity / cellulose catabolic process
Similarity search - Function
Glycoside hydrolase, family 1, beta-glucosidase / Glycoside hydrolase family 1, active site / Glycosyl hydrolases family 1 active site. / Glycosyl hydrolases family 1, N-terminal conserved site / Glycosyl hydrolases family 1 N-terminal signature. / Glycosyl hydrolase family 1 / Glycoside hydrolase family 1 / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel ...Glycoside hydrolase, family 1, beta-glucosidase / Glycoside hydrolase family 1, active site / Glycosyl hydrolases family 1 active site. / Glycosyl hydrolases family 1, N-terminal conserved site / Glycosyl hydrolases family 1 N-terminal signature. / Glycosyl hydrolase family 1 / Glycoside hydrolase family 1 / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / Chem-LGS / Beta-glucosidase A
Similarity search - Component
Biological speciesTHERMOTOGA MARITIMA (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.85 Å
AuthorsAguilar, M. / Gloster, T.M. / Turkenburg, J.P. / Garcia-Moreno, M.I. / Ortiz Mellet, C. / Davies, G.J. / Garcia Fernandez, J.M.
CitationJournal: Org.Biomol.Chem. / Year: 2009
Title: Glycosidase Inhibition by Ring-Modified Castanospermine Analogues: Tackling Enzyme Selectivity by Inhibitor Tailoring.
Authors: Aguilar-Moncayo, M. / Gloster, T.M. / Turkenburg, J.P. / Garcia-Moreno, M.I. / Ortiz Mellet, C. / Davies, G.J. / Garcia Fernandez, J.M.
History
DepositionFeb 27, 2009Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 14, 2009Provider: repository / Type: Initial release
Revision 1.1Aug 1, 2012Group: Database references / Derived calculations ...Database references / Derived calculations / Non-polymer description / Other / Refinement description / Version format compliance
Revision 1.2Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 700 SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "BB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "CB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "DB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: BETA-GLUCOSIDASE A
B: BETA-GLUCOSIDASE A
C: BETA-GLUCOSIDASE A
D: BETA-GLUCOSIDASE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)217,0879
Polymers215,7634
Non-polymers1,3255
Water31,8331767
1
A: BETA-GLUCOSIDASE A
C: BETA-GLUCOSIDASE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)108,5735
Polymers107,8812
Non-polymers6923
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2620 Å2
ΔGint-11.3 kcal/mol
Surface area30530 Å2
MethodPISA
2
B: BETA-GLUCOSIDASE A
D: BETA-GLUCOSIDASE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)108,5144
Polymers107,8812
Non-polymers6332
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2270 Å2
ΔGint-10.6 kcal/mol
Surface area30330 Å2
MethodPISA
Unit cell
Length a, b, c (Å)89.989, 73.187, 138.085
Angle α, β, γ (deg.)90.00, 94.03, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
BETA-GLUCOSIDASE A / BETA-GLUCOSIDASE / GENTIOBIASE / CELLOBIASE / BETA-D-GLUCOSIDE GLUCOHYDROLASE


Mass: 53940.648 Da / Num. of mol.: 4 / Fragment: RESIDUES 2-446
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) THERMOTOGA MARITIMA (bacteria) / Production host: ESCHERICHIA COLI (E. coli) / References: UniProt: Q08638, beta-glucosidase
#2: Chemical
ChemComp-LGS / (3Z,5S,6R,7S,8R,8aR)-3-(octylimino)hexahydro[1,3]oxazolo[3,4-a]pyridine-5,6,7,8-tetrol


Mass: 316.393 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C15H28N2O5
#3: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1767 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsTHE SEQUENCE CRYSTALLIZED CONTAINS AN N-TERMINAL HIS TAG FROM THE EXPRESSION VECTOR. NUMBERING ...THE SEQUENCE CRYSTALLIZED CONTAINS AN N-TERMINAL HIS TAG FROM THE EXPRESSION VECTOR. NUMBERING REFERS TO THE UNIPROT ENTRY AND IGNORES THE HIS TAG.

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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: 2.1 Å3/Da / Density % sol: 41 % / Description: NONE
Crystal growpH: 7
Details: 10 MG/ML PROTEIN, 0.1 M IMIDAZOLE, PH 7, 0.2 M CALCIUM ACETATE, 14-19% PEG 4K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-1 / Wavelength: 0.934
DetectorType: ADSC CCD / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.934 Å / Relative weight: 1
ReflectionResolution: 1.85→20 Å / Num. obs: 152735 / % possible obs: 100 % / Redundancy: 3.9 % / Rmerge(I) obs: 0.09 / Net I/σ(I): 13.5
Reflection shellResolution: 1.85→1.92 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.48 / Mean I/σ(I) obs: 2.7 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.4.0077refinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1OD0

1od0


Resolution: 1.85→137.36 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.942 / SU B: 2.684 / SU ML: 0.081 / Cross valid method: THROUGHOUT / ESU R: 0.133 / ESU R Free: 0.127 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.19876 7667 5 %RANDOM
Rwork0.15348 ---
obs0.1558 144968 99.66 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 17.62 Å2
Baniso -1Baniso -2Baniso -3
1--0.44 Å20 Å20.76 Å2
2---0.24 Å20 Å2
3---0.79 Å2
Refinement stepCycle: LAST / Resolution: 1.85→137.36 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms14422 0 92 1767 16281
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0160.02215396
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.4521.93521033
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.00951895
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.67523.708801
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.889152437
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.1371595
X-RAY DIFFRACTIONr_chiral_restr0.1060.22164
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.02112175
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.81.58996
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.365214580
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.27236400
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.5414.56389
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.85→1.9 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.292 506 -
Rwork0.239 10343 -
obs--97.34 %

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