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- PDB-3f4v: Semi-active E176Q mutant of rice BGlu1, a plant exoglucanase/beta... -

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Basic information

Entry
Database: PDB / ID: 3f4v
TitleSemi-active E176Q mutant of rice BGlu1, a plant exoglucanase/beta-glucosidase
ComponentsBeta-glucosidase
KeywordsHYDROLASE / beta-alpha-barrels / Glycosidase
Function / homology
Function and homology information


amygdalin beta-glucosidase activity / prunasin beta-glucosidase activity / beta-L-arabinosidase activity / cellobiose glucosidase activity / beta-gentiobiose beta-glucosidase activity / beta-D-fucosidase activity / beta-mannosidase activity / glucan endo-1,3-beta-D-glucosidase activity / beta-glucosidase / beta-galactosidase activity ...amygdalin beta-glucosidase activity / prunasin beta-glucosidase activity / beta-L-arabinosidase activity / cellobiose glucosidase activity / beta-gentiobiose beta-glucosidase activity / beta-D-fucosidase activity / beta-mannosidase activity / glucan endo-1,3-beta-D-glucosidase activity / beta-glucosidase / beta-galactosidase activity / beta-glucosidase activity / carbohydrate metabolic process / protein homodimerization activity / extracellular region
Similarity search - Function
Glycosyl hydrolase family 1 / Glycoside hydrolase family 1 / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
Beta-glucosidase 7 / Beta-glucosidase 7
Similarity search - Component
Biological speciesOryza sativa Japonica Group (Japanese rice)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.65 Å
AuthorsChuenchor, W. / Ketudat Cairns, J.R. / Pengthaisong, S. / Robinson, R.C. / Yuvaniyama, J. / Chen, C.-J.
CitationJournal: J.Struct.Biol. / Year: 2011
Title: The structural basis of oligosaccharide binding by rice BGlu1 beta-glucosidase
Authors: Chuenchor, W. / Pengthaisong, S. / Robinson, R.C. / Yuvaniyama, J. / Svasti, J. / Ketudat Cairns, J.R.
History
DepositionNov 3, 2008Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Nov 3, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.2Nov 1, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn / struct_ncs_dom_lim / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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 / _struct_conn.ptnr2_label_seq_id / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.3Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Beta-glucosidase
B: Beta-glucosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)110,47111
Polymers109,4552
Non-polymers1,0169
Water16,123895
1
A: Beta-glucosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)55,2686
Polymers54,7271
Non-polymers5415
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Beta-glucosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)55,2035
Polymers54,7271
Non-polymers4754
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3030 Å2
ΔGint-66 kcal/mol
Surface area33900 Å2
MethodPISA
Unit cell
Length a, b, c (Å)79.810, 101.040, 127.606
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B

NCS domain segments:

Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ASN / Beg label comp-ID: ASN / End auth comp-ID: HIS / End label comp-ID: HIS / Refine code: 1 / Auth seq-ID: 5 - 476 / Label seq-ID: 10 - 481

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Beta-glucosidase


Mass: 54727.480 Da / Num. of mol.: 2 / Fragment: UNP residues 29-504 / Mutation: E176Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Oryza sativa Japonica Group (Japanese rice)
Strain: Orion / Gene: Os3bglu7 / Plasmid: pET32a+ / Production host: Escherichia coli (E. coli) / Strain (production host): Origami(DE3)
References: UniProt: Q42975, UniProt: Q75I93*PLUS, beta-glucosidase

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Non-polymers , 5 types, 904 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-MES / 2-(N-MORPHOLINO)-ETHANESULFONIC ACID


Mass: 195.237 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H13NO4S / Comment: pH buffer*YM
#5: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 895 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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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: 2.35 Å3/Da / Density % sol: 47.67 %
Crystal growTemperature: 288 K / Method: vapor diffusion, hanging drop / pH: 6.7
Details: 20% PEG MME 5000, 0.18M ammonium sulfate, 0.1M MES, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 288K

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Data collection

DiffractionMean temperature: 105 K
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL13B1 / Wavelength: 0.98 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Nov 17, 2006
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98 Å / Relative weight: 1
ReflectionResolution: 1.65→30 Å / Num. obs: 124354 / % possible obs: 99.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.7 % / Rmerge(I) obs: 0.056 / Net I/σ(I): 17.38
Reflection shellResolution: 1.65→1.71 Å / Redundancy: 2.6 % / Rmerge(I) obs: 0.325 / Mean I/σ(I) obs: 3.12 / Num. unique all: 23896 / % possible all: 99.6

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Processing

Software
NameVersionClassification
HKL-2000data collection
AMoREphasing
REFMAC5.2.0019refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1CBG

1cbg


Resolution: 1.65→28.12 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.958 / SU B: 1.498 / SU ML: 0.053 / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.093 / ESU R Free: 0.089 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.19647 6166 5 %Copy R-free from 2RGL
Rwork0.17391 ---
obs0.17503 118005 99.71 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 13.382 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.65→28.12 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7618 0 59 895 8572
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0227904
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.3571.92810738
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.9425942
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.92223.682402
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.181151206
X-RAY DIFFRACTIONr_dihedral_angle_4_deg22.3061544
X-RAY DIFFRACTIONr_chiral_restr0.1620.21082
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.026220
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1980.23922
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3150.25443
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.120.2771
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0250.22
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1930.245
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1660.235
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.6951.54748
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.09627498
X-RAY DIFFRACTIONr_scbond_it1.95733668
X-RAY DIFFRACTIONr_scangle_it2.9854.53240
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Number: 3809 / Refine-ID: X-RAY DIFFRACTION

TypeRms dev position (Å)Weight position
tight positional0.020.05
tight thermal0.120.5
LS refinement shellResolution: 1.649→1.692 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.249 463 -
Rwork0.215 8560 -
obs--99.01 %

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