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Basic information

Entry
Database: PDB / ID: 1of3
TitleStructural and thermodynamic dissection of specific mannan recognition by a carbohydrate-binding module, TmCBM27
ComponentsBETA-MANNOSIDASE
KeywordsHYDROLASE/CARBOHYDRATE BINDING / MANNAN BINDING / CARBOHYDRATE BINDING MODULE / POLYSACCHARIDE DEGRADATION / TMCBM27 / HYDROLASE / HYDROLASE-CARBOHYDRATE BINDING complex
Function / homology
Function and homology information


mannan endo-1,4-beta-mannosidase activity / polysaccharide catabolic process / extracellular region / metal ion binding
Similarity search - Function
Carbohydrate binding module 27 / Carbohydrate binding module 27 / Mannan endo-1,4-beta-mannosidase-like / Glycoside hydrolase, family 5 / Cellulase (glycosyl hydrolase family 5) / Galactose-binding domain-like / Galactose-binding-like domain superfamily / Glycoside hydrolase superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Biological speciesTHERMOTOGA MARITIMA (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 2 Å
AuthorsBoraston, A.B. / Revett, T.J. / Boraston, C.M. / Nurizzo, D. / Davies, G.J.
CitationJournal: Structure / Year: 2003
Title: Structural and Thermodynamic Dissection of Specific Mannan Recognition by a Carbohydrate Binding Module, Tmcbm27
Authors: Boraston, A.B. / Revett, T.J. / Boraston, C.M. / Nurizzo, D. / Davies, G.J.
History
DepositionApr 7, 2003Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 17, 2003Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 16, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_entry_details / pdbx_modification_feature / pdbx_struct_conn_angle / struct_conn
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 / _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.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.ptnr2_label_seq_id
Remark 700 SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: BETA-MANNOSIDASE
B: BETA-MANNOSIDASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)41,3404
Polymers41,2592
Non-polymers802
Water5,098283
1
A: BETA-MANNOSIDASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,6702
Polymers20,6301
Non-polymers401
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
2
B: BETA-MANNOSIDASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,6702
Polymers20,6301
Non-polymers401
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)69.078, 69.078, 229.474
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number92
Space group name H-MP41212

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Components

#1: Protein BETA-MANNOSIDASE / TMCBM27


Mass: 20629.701 Da / Num. of mol.: 2 / Fragment: CARBOHYDRATE-BINDING MODULE, RESIDUES 505-680
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) THERMOTOGA MARITIMA (bacteria) / Strain: MSB8 / Plasmid: PET 28-TMCBM27 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21 / References: UniProt: Q9RIK9
#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 283 / 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: 3.32 Å3/Da / Density % sol: 62.92 %
Crystal growpH: 7.5 / Details: 1.6 M NA K PHOSPHATE, 0.1 M NA HEPES PH 7.5
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
125 mg/mlprotein1drop
21.6 Msodium potassium phosphate1reservoir
30.1 MHEPES1reservoirpH7.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 0.9202
DetectorType: ADSC CCD / Detector: CCD
RadiationProtocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9202 Å / Relative weight: 1
ReflectionResolution: 2→40 Å / Num. obs: 36721 / % possible obs: 100 % / Redundancy: 8 % / Rmerge(I) obs: 0.065 / Net I/σ(I): 21
Reflection shellResolution: 2→2.1 Å / Redundancy: 7.8 % / Rmerge(I) obs: 0.246 / Mean I/σ(I) obs: 8.1 / % possible all: 100
Reflection
*PLUS
Lowest resolution: 40 Å / % possible obs: 100 % / Redundancy: 8 %
Reflection shell
*PLUS
% possible obs: 100 %

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Processing

Software
NameVersionClassification
REFMAC5.1.24refinement
MOSFLMdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MAD / Resolution: 2→40 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.932 / SU B: 2.908 / SU ML: 0.082 / Cross valid method: THROUGHOUT / ESU R: 0.137 / ESU R Free: 0.134 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.225 1936 5 %RANDOM
Rwork0.188 ---
obs0.19 36721 100 %-
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: 26.3 Å2
Baniso -1Baniso -2Baniso -3
1-1.13 Å20 Å20 Å2
2--1.13 Å20 Å2
3----2.26 Å2
Refinement stepCycle: LAST / Resolution: 2→40 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2839 0 2 283 3124
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.0212915
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.4751.9333948
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.215348
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_restr0.1160.2406
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.022283
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2030.21228
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1640.2228
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0740.26
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1830.237
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1910.218
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.9831.51728
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.85722782
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.05431187
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it5.0774.51166
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: 2→2.05 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.21 133
Rwork0.213 2658
Refinement
*PLUS
Highest resolution: 2 Å / Lowest resolution: 40 Å / Rfactor Rfree: 0.225 / Rfactor Rwork: 0.186
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONr_bond_d0.018
X-RAY DIFFRACTIONr_angle_d
X-RAY DIFFRACTIONr_angle_deg1.545

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