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- PDB-2bof: Catalytic domain of endo-1,4-glucanase Cel6A mutant Y73S from The... -

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Basic information

Entry
Database: PDB / ID: 2bof
TitleCatalytic domain of endo-1,4-glucanase Cel6A mutant Y73S from Thermobifida fusca in complex with cellotetrose
ComponentsENDOGLUCANASE E-2
KeywordsHYDROLASE / ENDOGLUCANASE / THERMOBIFIDA FUSCA / TIM A/B FOLD / GLYCOSIDE HYDROLASE FAMILY 6 / METHYL CELLOBIOSYL-4-THIO-BETA- CELLOBIOSIDE
Function / homology
Function and homology information


cellulase / cellulase activity / polysaccharide binding / cellulose catabolic process
Similarity search - Function
Carbohydrate-binding type-2, conserved site / CBM2a (carbohydrate-binding type-2) domain signature. / 1, 4-beta cellobiohydrolase / Glycosyl hydrolases family 6 signature 2. / Glycosyl hydrolases family 6 signature 1. / Glycoside hydrolase, family 6, conserved site / 1, 4-beta cellobiohydrolase / 1, 4-beta cellobiohydrolase superfamily / Glycosyl hydrolases family 6 / Cellulose binding domain ...Carbohydrate-binding type-2, conserved site / CBM2a (carbohydrate-binding type-2) domain signature. / 1, 4-beta cellobiohydrolase / Glycosyl hydrolases family 6 signature 2. / Glycosyl hydrolases family 6 signature 1. / Glycoside hydrolase, family 6, conserved site / 1, 4-beta cellobiohydrolase / 1, 4-beta cellobiohydrolase superfamily / Glycosyl hydrolases family 6 / Cellulose binding domain / Carbohydrate-binding type-2 domain / CBM2 (Carbohydrate-binding type-2) domain profile. / CBD_II / CBM2, carbohydrate-binding domain superfamily / CBM2/CBM3, carbohydrate-binding domain superfamily / Twin arginine translocation (Tat) signal profile. / Twin-arginine translocation pathway, signal sequence / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
beta-cellotetraose / Endoglucanase E-2
Similarity search - Component
Biological speciesTHERMOMONOSPORA FUSCA (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.64 Å
AuthorsLarsson, A.M. / Bergfors, T. / Dultz, E. / Irwin, D.C. / Roos, A. / Driguez, H. / Wilson, D.B. / Jones, T.A.
CitationJournal: Biochemistry / Year: 2005
Title: Crystal Structure of Thermobifida Fusca Endoglucanase Cel6A in Complex with Substrate and Inhibitor: The Role of Tyrosine Y73 in Substrate Ring Distortion.
Authors: Larsson, A.M. / Bergfors, T. / Dultz, E. / Irwin, D.C. / Roos, A. / Driguez, H. / Wilson, D.B. / Jones, T.A.
History
DepositionApr 10, 2005Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 5, 2005Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jan 17, 2018Group: Data collection / Category: diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Other / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_database_status / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.auth_asym_id / _atom_site.auth_seq_id ..._atom_site.auth_asym_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_database_status.status_code_sf / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Dec 13, 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 2.2Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
X: ENDOGLUCANASE E-2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,0272
Polymers30,3611
Non-polymers6671
Water4,918273
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)42.958, 66.948, 81.527
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 ENDOGLUCANASE E-2 / ENDO-1 / 4-BETA-GLUCANASE E-2 / CELLULASE E-2


Mass: 30360.695 Da / Num. of mol.: 1 / Fragment: CATALYTIC DOMAIN, RESIDUES 32-317 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) THERMOMONOSPORA FUSCA (bacteria) / Strain: YX / Plasmid: POS12 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P26222, cellulase
#2: Polysaccharide beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose / beta-cellotetraose


Type: oligosaccharide, Oligosaccharide / Class: Metabolism / Mass: 666.578 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: beta-cellotetraose
DescriptorTypeProgram
DGlcpb1-4DGlcpb1-4DGlcpb1-4DGlcpb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,4,3/[a2122h-1b_1-5]/1-1-1-1/a4-b1_b4-c1_c4-d1WURCSPDB2Glycan 1.1.0
[][b-D-Glcp]{[(4+1)][b-D-Glcp]{[(4+1)][b-D-Glcp]{[(4+1)][b-D-Glcp]{}}}}LINUCSPDB-CARE
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 273 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED RESIDUE, TYR 104 SER (RESIDUE 73 IN COORDINATES)
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 Å3/Da / Density % sol: 36.6 %
Crystal growDetails: 20-30% POLYETHYLENGLYCOL 4000 AND 0.15-0.34 M SODIUM MALONATE, PH 4.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: MAX II / Beamline: I711 / Wavelength: 1.089
DetectorType: MARRESEARCH / Detector: CCD / Date: May 21, 2003 / Details: SI MIRROR COATED WITH PLATINUM
RadiationMonochromator: ASYMMETRICALLY CUT SINGLE SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.089 Å / Relative weight: 1
ReflectionResolution: 1.64→52 Å / Num. obs: 28960 / % possible obs: 99.6 % / Observed criterion σ(I): 6 / Redundancy: 4.1 % / Rmerge(I) obs: 0.07 / Rsym value: 0.061 / Net I/σ(I): 15.6
Reflection shellResolution: 1.64→1.73 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.2 / Mean I/σ(I) obs: 6.3 / Rsym value: 0.174 / % possible all: 97.1

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Processing

Software
NameVersionClassification
REFMAC5.1.24refinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1TML

1tml


Resolution: 1.64→51.99 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.951 / SU B: 1.592 / SU ML: 0.056 / Cross valid method: THROUGHOUT / ESU R: 0.096 / ESU R Free: 0.092 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.186 1495 5.1 %RANDOM
Rwork0.157 ---
obs0.158 27911 99.6 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 12.62 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.64→51.99 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2080 0 45 273 2398
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0212227
X-RAY DIFFRACTIONr_bond_other_d0.0020.021920
X-RAY DIFFRACTIONr_angle_refined_deg1.2771.9453054
X-RAY DIFFRACTIONr_angle_other_deg0.81334472
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4575285
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.0730.2340
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.022519
X-RAY DIFFRACTIONr_gen_planes_other0.0030.02429
X-RAY DIFFRACTIONr_nbd_refined0.2020.2466
X-RAY DIFFRACTIONr_nbd_other0.2470.22204
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other0.080.21184
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1350.2175
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.150.27
X-RAY DIFFRACTIONr_symmetry_vdw_other0.2160.243
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1520.242
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.6341.51416
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.17622268
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.8783811
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.1194.5786
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: 1.64→1.68 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.24 93
Rwork0.174 1924

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