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- PDB-6lgg: Bombyx mori GH13 sucrose hydrolase mutant E322Q complexed with sucrose -

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Basic information

Entry
Database: PDB / ID: 6lgg
TitleBombyx mori GH13 sucrose hydrolase mutant E322Q complexed with sucrose
ComponentsSucrose hydrolase
KeywordsHYDROLASE / Sucrose / Glycoside hydrolase / GH13
Function / homology
Function and homology information


alpha-glucosidase / hydrolase activity, acting on glycosyl bonds / carbohydrate metabolic process / hydrolase activity / metal ion binding
Similarity search - Function
Oligo-1,6-glucosidase, domain 2 / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain / Glycosyl hydrolase, all-beta / Glycoside hydrolase superfamily
Similarity search - Domain/homology
sucrose / alpha-glucosidase / Alpha-glucosidase
Similarity search - Component
Biological speciesBombyx mori (domestic silkworm)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.84 Å
AuthorsMiyazaki, T.
Funding support Japan, 1items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science19K15748 Japan
CitationJournal: J.Biol.Chem. / Year: 2020
Title: Structure-function analysis of silkworm sucrose hydrolase uncovers the mechanism of substrate specificity in GH13 subfamily 17exo-alpha-glucosidases.
Authors: Miyazaki, T. / Park, E.Y.
History
DepositionDec 5, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 20, 2020Provider: repository / Type: Initial release
Revision 1.1Jul 8, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 3.0Oct 14, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / pdbx_branch_scheme / pdbx_entity_branch_link / pdbx_molecule_features / struct_conn
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.type_symbol / _chem_comp.pdbx_synonyms / _pdbx_branch_scheme.pdb_asym_id / _pdbx_entity_branch_link.atom_id_1 / _pdbx_entity_branch_link.atom_id_2 / _pdbx_entity_branch_link.comp_id_1 / _pdbx_entity_branch_link.comp_id_2 / _pdbx_entity_branch_link.entity_branch_list_num_1 / _pdbx_entity_branch_link.entity_branch_list_num_2 / _pdbx_entity_branch_link.leaving_atom_id_1 / _pdbx_entity_branch_link.leaving_atom_id_2 / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_value_order / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_label_atom_id
Revision 3.1Nov 22, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _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: Sucrose hydrolase
B: Sucrose hydrolase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)138,33810
Polymers137,4762
Non-polymers8628
Water13,331740
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4460 Å2
ΔGint-49 kcal/mol
Surface area42370 Å2
Unit cell
Length a, b, c (Å)64.700, 127.900, 154.300
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Sucrose hydrolase


Mass: 68738.219 Da / Num. of mol.: 2 / Mutation: E322Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bombyx mori (domestic silkworm) / Gene: BmSuh / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: A0A077JI83, UniProt: H9J974*PLUS
#2: Polysaccharide beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Details: oligosaccharide with reducing-end-to-reducing-end glycosidic bond
References: sucrose
DescriptorTypeProgram
DFrufb2-1DGlcpaGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[ha122h-2b_2-5][a2122h-1a_1-5]/1-2/a2-b1WURCSPDB2Glycan 1.1.0
[][b-D-Fruf]{[(2+1)][a-D-Glcp]{}}LINUCSPDB-CARE
#3: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca / Feature type: SUBJECT OF INVESTIGATION
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 740 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.32 Å3/Da / Density % sol: 47.03 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop
Details: 8% PEG 3350, 0.2 M magnesium acetate, 10 mM sucrose

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-5A / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Nov 3, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.84→50 Å / Num. obs: 111648 / % possible obs: 99.9 % / Redundancy: 6.5 % / CC1/2: 0.998 / Rmerge(I) obs: 0.097 / Net I/σ(I): 12.4
Reflection shellResolution: 1.84→1.94 Å / Redundancy: 6.7 % / Rmerge(I) obs: 0.775 / Mean I/σ(I) obs: 2.4 / Num. unique obs: 16116 / CC1/2: 0.769 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.8.0257refinement
PDB_EXTRACT3.25data extraction
XDSdata reduction
XDSdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5BRQ

5brq


Resolution: 1.84→49.28 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.951 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.133 / ESU R Free: 0.122
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2114 5621 5 %RANDOM
Rwork0.1808 ---
obs0.1823 105891 99.85 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 117.41 Å2 / Biso mean: 26.004 Å2 / Biso min: 14.14 Å2
Baniso -1Baniso -2Baniso -3
1-0.05 Å20 Å20 Å2
2--0.07 Å2-0 Å2
3----0.12 Å2
Refinement stepCycle: final / Resolution: 1.84→49.28 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9251 0 52 740 10043
Biso mean--23.45 31.09 -
Num. residues----1133
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0139614
X-RAY DIFFRACTIONr_bond_other_d0.0360.0178330
X-RAY DIFFRACTIONr_angle_refined_deg1.61.6513107
X-RAY DIFFRACTIONr_angle_other_deg2.3561.57819363
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.24651141
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.13622.734567
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.607151486
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.6071554
X-RAY DIFFRACTIONr_chiral_restr0.0790.21197
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.0210898
X-RAY DIFFRACTIONr_gen_planes_other0.0130.022172
LS refinement shellResolution: 1.84→1.888 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.296 417 -
Rwork0.267 7728 -
all-8145 -
obs--100 %

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