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- PDB-2cet: Beta-glucosidase from Thermotoga maritima in complex with pheneth... -

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Basic information

Entry
Database: PDB / ID: 2cet
TitleBeta-glucosidase from Thermotoga maritima in complex with phenethyl- substituted glucoimidazole
ComponentsBETA-GLUCOSIDASE A
KeywordsHYDROLASE / GLYCOSIDE HYDROLASE / INHIBITOR / TRANSITION STATE MIMIC / FAMILY 1 / PHENETHYL-SUBSTITUTED GLUCOIMIDAZOLE
Function / homology
Function and homology information


beta-glucosidase / beta-glucosidase activity / cellulose catabolic process
Similarity search - Function
Glycoside hydrolase, family 1, beta-glucosidase / Glycoside hydrolase family 1, active site / Glycosyl hydrolases family 1 active site. / Glycosyl hydrolases family 1, N-terminal conserved site / Glycosyl hydrolases family 1 N-terminal signature. / Glycosyl hydrolase family 1 / Glycoside hydrolase family 1 / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel ...Glycoside hydrolase, family 1, beta-glucosidase / Glycoside hydrolase family 1, active site / Glycosyl hydrolases family 1 active site. / Glycosyl hydrolases family 1, N-terminal conserved site / Glycosyl hydrolases family 1 N-terminal signature. / Glycosyl hydrolase family 1 / Glycoside hydrolase family 1 / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / Chem-PGI / Beta-glucosidase A
Similarity search - Component
Biological speciesTHERMOTOGA MARITIMA (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.97 Å
AuthorsGloster, T.M. / Roberts, S. / Vasella, A. / Davies, G.J.
Citation
Journal: Biochemistry / Year: 2006
Title: Structural, Kinetic, and Thermodynamic Analysis of Glucoimidazole-Derived Glycosidase Inhibitors.
Authors: Gloster, T.M. / Roberts, S. / Perugino, G. / Rossi, M. / Moracci, M. / Panday, N. / Terinek, M. / Vasella, A. / Davies, G.J.
#1: Journal: J.Am.Chem.Soc. / Year: 2007
Title: Glycosidase Inhibition: An Assessment of the Binding of 18 Putative Transition-State Mimics.
Authors: Gloster, T.M. / Meloncelli, P. / Stick, R.V. / Zechel, D. / Vasella, A. / Davies, G.J.
History
DepositionFeb 10, 2006Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 27, 2006Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ncs_dom_lim
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_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.ptnr1_symmetry / _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.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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.ptnr1_symmetry / _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_conn.ptnr2_symmetry / _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
Remark 700 SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "BB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

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


Theoretical massNumber of molelcules
Total (without water)108,5916
Polymers107,8812
Non-polymers7104
Water10,305572
1
A: BETA-GLUCOSIDASE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)54,3053
Polymers53,9411
Non-polymers3642
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
2
B: BETA-GLUCOSIDASE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)54,2863
Polymers53,9411
Non-polymers3452
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)94.365, 94.520, 113.582
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: VAL / Beg label comp-ID: VAL / End auth comp-ID: LEU / End label comp-ID: LEU / Refine code: 4 / Auth seq-ID: 3 - 444 / Label seq-ID: 25 - 466

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

NCS oper: (Code: given
Matrix: (0.00093, -0.98912, -0.14714), (0.98911, 0.02257, -0.14544), (0.14717, -0.1454, 0.97837)
Vector: -30.87934, 29.75196, 12.7757)

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Components

#1: Protein BETA-GLUCOSIDASE A / GENTIOBIASE / CELLOBIASE / BETA-D-GLUCOSIDE GLUCOHYDROLASE


Mass: 53940.648 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) THERMOTOGA MARITIMA (bacteria) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21 / References: UniProt: Q08638, beta-glucosidase
#2: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#3: Chemical ChemComp-PGI / (5R,6R,7S,8S)-5-(HYDROXYMETHYL)-2-(2-PHENYLETHYL)-1,5,6,7,8,8A-HEXAHYDROIMIDAZO[1,2-A]PYRIDINE-6,7,8-TRIOL


Mass: 305.349 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C16H21N2O4
#4: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 572 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsSEQUENCE CRYSTALLIZED CONTAINS A HIS TAG FROM THE EXPRESSION VECTOR. THE CO-ORDINATES ARE NUMBERED ...SEQUENCE CRYSTALLIZED CONTAINS A HIS TAG FROM THE EXPRESSION VECTOR. THE CO-ORDINATES ARE NUMBERED ACCORDING TO THE UNIPROT ENTRY AND IGNORE THE HIS TAG.

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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: 2.3 Å3/Da / Density % sol: 47 % / Description: STRUCTURE ISOMORPHOUS WITH STARTING MODEL
Crystal growpH: 7
Details: 10 MG/ML PROTEIN,15% PEG 4K, 0.1 IMIDAZOLE, PH 7, 0.2 M CALCIUM ACETATE, 25% ETHYLENE GLYCOL AS CRYO.

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-1 / Wavelength: 0.934
DetectorType: ADSC CCD / Detector: CCD / Date: Sep 21, 2002 / Details: SAGITALLY FOCUSING GE(220) AND A MULTILAYER
RadiationMonochromator: DIAMOND (111), GE(220) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.934 Å / Relative weight: 1
ReflectionResolution: 1.97→30 Å / Num. obs: 70563 / % possible obs: 97.6 % / Redundancy: 4.8 % / Rmerge(I) obs: 0.05 / Net I/σ(I): 21.93
Reflection shellResolution: 1.97→2.04 Å / Redundancy: 3.5 % / Rmerge(I) obs: 0.39 / Mean I/σ(I) obs: 2.83 / % possible all: 97.9

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1OD0

1od0


Resolution: 1.97→29.88 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.935 / SU B: 4.374 / SU ML: 0.123 / Cross valid method: THROUGHOUT / ESU R: 0.185 / ESU R Free: 0.17 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.244 3537 5 %RANDOM
Rwork0.192 ---
obs0.195 66767 97.2 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 32.31 Å2
Baniso -1Baniso -2Baniso -3
1--0.66 Å20 Å20 Å2
2---0.2 Å20 Å2
3---0.86 Å2
Refinement stepCycle: LAST / Resolution: 1.97→29.88 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7146 0 49 572 7767
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0227621
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.3741.93410400
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.1535926
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.37923.614404
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.024151201
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.7211551
X-RAY DIFFRACTIONr_chiral_restr0.0940.21062
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.026051
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2080.23965
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3170.25181
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1570.2550
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1920.286
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1480.234
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.8021.54563
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.26527180
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.8633612
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it2.7184.53194
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
Refine LS restraints NCS

Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Number: 3395 / Refine-ID: X-RAY DIFFRACTION

TypeRms dev position (Å)Weight position
medium positional0.290.5
medium thermal2.072
LS refinement shellResolution: 1.97→2.02 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.315 240
Rwork0.259 4709

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