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Entry
Database: PDB / ID: 2d22
TitleCrystal structure of covalent glycosyl-enzyme intermediate of catalytic-site mutant xylanase from Streptomyces olivaceoviridis E-86
ComponentsENDO-1,4-BETA-D-XYLANASE
KeywordsHYDROLASE / TIM-BARREL / RETAINING ENZYME / CATALYTIC-SITE MUTANT / CHEMICAL RESCUE / COVALENT GLYCOSYL-ENZYME INTERMEDIATE
Function / homology
Function and homology information


endo-1,4-beta-xylanase / endo-1,4-beta-xylanase activity / polysaccharide catabolic process
Similarity search - Function
Glycosyl hydrolases family 10, active site / Glycosyl hydrolases family 10 (GH10) active site. / Glycosyl hydrolases family 10 (GH10) domain profile. / Glycoside hydrolase family 10 / Glycoside hydrolase family 10 domain / Glycosyl hydrolase family 10 / Glycosyl hydrolase family 10 / Ricin-type beta-trefoil lectin domain / Ricin-type beta-trefoil / Lectin domain of ricin B chain profile. ...Glycosyl hydrolases family 10, active site / Glycosyl hydrolases family 10 (GH10) active site. / Glycosyl hydrolases family 10 (GH10) domain profile. / Glycoside hydrolase family 10 / Glycoside hydrolase family 10 domain / Glycosyl hydrolase family 10 / Glycosyl hydrolase family 10 / Ricin-type beta-trefoil lectin domain / Ricin-type beta-trefoil / Lectin domain of ricin B chain profile. / Ricin B, lectin domain / Ricin B-like lectins / Trefoil (Acidic Fibroblast Growth Factor, subunit A) - #50 / Trefoil (Acidic Fibroblast Growth Factor, subunit A) / Trefoil / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Biological speciesStreptomyces olivaceoviridis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsSuzuki, R. / Kuno, A. / Fujimoto, Z. / Ito, S. / Kawahara, S.I. / Kaneko, S. / Hasegawa, T. / Taira, K.
Citation
Journal: J.Biochem. / Year: 2009
Title: Crystallographic snapshots of an entire reaction cycle for a retaining xylanase from Streptomyces olivaceoviridis E-86
Authors: Suzuki, R. / Fujimoto, Z. / Ito, S. / Kawahara, S. / Kaneko, S. / Taira, K. / Hasegawa, T. / Kuno, A.
#1: Journal: J.Mol.Biol. / Year: 2000
Title: Crystal structure of Streptomyces olivaceoviridis E-86 beta-xylanase containing xylan-binding domain
Authors: Fujimoto, Z. / Kuno, A. / Kaneko, S. / Yoshida, S. / Kobayashi, H. / Kusakabe, I. / Mizuno, H.
#2: Journal: J.Mol.Biol. / Year: 2002
Title: Crystal structures of the sugar complexes of Streptomyces olivaceoviridis E-86 xylanase: sugar binding structure of the family 13 carbohydrate binding module
Authors: Fujimoto, Z. / Kuno, A. / Kaneko, S. / Kobayashi, H. / Kusakabe, I. / Mizuno, H.
#3: Journal: J.Biol.Chem. / Year: 2004
Title: Crystal structures of decorated xylooligosaccharides bound to a family 10 xylanase from Streptomyces olivaceoviridis E-86
Authors: Fujimoto, Z. / Kaneko, S. / Kuno, A. / Kobayashi, H. / Kusakabe, I. / Mizuno, H.
#4: Journal: J.FERMENT.BIOENG. / Year: 1998
Title: PCR Cloning and Expression of the F/10 Family Xylanse Gene from Streptomyces olivaceoviridis E-86
Authors: Kuno, A. / Shimizu, D. / Kaneko, S. / Koyama, Y. / Yoshida, S. / Kobayashi, H. / Hayashi, K. / Taira, K. / Kusakabe, I.
#5: Journal: Febs Lett. / Year: 1999
Title: Significant enhancement in the binding of p-nitrophenyl-beta-D-xylobioside by the E128H mutant F/10 xylanase from Streptomyces olivaceoviridis E-86
Authors: Kuno, A. / Shimizu, D. / Kaneko, S. / Hasegawa, T. / Gama, Y. / Hayashi, K. / Kusakabe, I. / Taira, K.
History
DepositionSep 2, 2005Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 10, 2006Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Feb 15, 2012Group: Database references
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / 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_validate_chiral / struct_asym / struct_conn / struct_ref_seq_dif / 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 / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_validate_chiral.auth_asym_id / _pdbx_validate_chiral.auth_seq_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_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 25, 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
Revision 2.2Nov 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: ENDO-1,4-BETA-D-XYLANASE
B: ENDO-1,4-BETA-D-XYLANASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)95,32817
Polymers93,5462
Non-polymers1,78215
Water15,547863
1
A: ENDO-1,4-BETA-D-XYLANASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,7169
Polymers46,7731
Non-polymers9438
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: ENDO-1,4-BETA-D-XYLANASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,6128
Polymers46,7731
Non-polymers8397
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)78.691, 93.956, 139.721
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein ENDO-1,4-BETA-D-XYLANASE / Glycoside Hydrolase Family 10 Xylanase


Mass: 46773.230 Da / Num. of mol.: 2 / Mutation: N127S and E128H
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptomyces olivaceoviridis (bacteria)
Strain: E-86 / Plasmid: pQE60 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109 / References: UniProt: Q7SI98, endo-1,4-beta-xylanase
#2: Polysaccharide alpha-D-xylopyranose-(1-4)-alpha-D-xylopyranose


Type: oligosaccharide / Mass: 282.245 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DXylpa1-4DXylpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a212h-1a_1-5]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][<C5O3>]{[(1+1)][b-D-Xylp]{}}LINUCSPDB-CARE
#3: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: SO4
#4: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 863 / Source method: isolated from a natural source / Formula: H2O
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: 2.9 Å3/Da / Density % sol: 56.8 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: disodium hydrogenphosphate, citric acid, ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 95 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NW12A / Wavelength: 0.978 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Dec 3, 2003
RadiationMonochromator: Si(111) double crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.978 Å / Relative weight: 1
ReflectionResolution: 1.7→50 Å / Num. all: 216852 / Num. obs: 113798 / % possible obs: 99.7 % / Observed criterion σ(I): 0 / Biso Wilson estimate: 16 Å2
Reflection shellResolution: 1.7→1.76 Å / % possible all: 98.8

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Processing

Software
NameVersionClassification
CNS1.1refinement
HKL-2000data reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2D1Z

2d1z


Resolution: 1.7→32.21 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 2605881.17 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.207 5727 5 %RANDOM
Rwork0.186 ---
obs0.186 113707 --
all-139811 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 48.53 Å2 / ksol: 0.394512 e/Å3
Displacement parametersBiso mean: 18.7 Å2
Baniso -1Baniso -2Baniso -3
1--0.02 Å20 Å20 Å2
2--0.02 Å20 Å2
3---0 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.2 Å0.18 Å
Luzzati d res low-5 Å
Luzzati sigma a0.1 Å0.09 Å
Refinement stepCycle: LAST / Resolution: 1.7→32.21 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6466 0 109 863 7438
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d23.2
X-RAY DIFFRACTIONc_improper_angle_d0.71
LS refinement shellResolution: 1.7→1.76 Å / Rfactor Rfree error: 0.008 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.23 897 4.8 %
Rwork0.212 17642 -
obs-11132 98.6 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2carbo_rep.paramion.top
X-RAY DIFFRACTION3carbosup.paramwater.top
X-RAY DIFFRACTION4water_rep.paramcarbohydrate.top
X-RAY DIFFRACTION5cis_peptideC1.paramcarbosup.top

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