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- PDB-1ukt: Crystal structure of Y100L mutant cyclodextrin glucanotransferase... -

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Basic information

Entry
Database: PDB / ID: 1ukt
TitleCrystal structure of Y100L mutant cyclodextrin glucanotransferase compexed with an acarbose
ComponentsCyclomaltodextrin glucanotransferase
KeywordsTRANSFERASE / CGTASE / ACARBOSE / CARBOHYDRATE/PROTEIN INTERACTION
Function / homology
Function and homology information


cyclomaltodextrin glucanotransferase / cyclomaltodextrin glucanotransferase activity / starch binding / alpha-amylase activity / carbohydrate metabolic process / extracellular region / metal ion binding
Similarity search - Function
Carbohydrate binding module family 20 / Starch binding domain / CBM20 (carbohydrate binding type-20) domain profile. / Starch binding domain / Carbohydrate-binding-like fold / Alpha-amylase, C-terminal domain / Aamy_C / Alpha-amylase/branching enzyme, C-terminal all beta / Alpha amylase, C-terminal all-beta domain / Alpha amylase ...Carbohydrate binding module family 20 / Starch binding domain / CBM20 (carbohydrate binding type-20) domain profile. / Starch binding domain / Carbohydrate-binding-like fold / Alpha-amylase, C-terminal domain / Aamy_C / Alpha-amylase/branching enzyme, C-terminal all beta / Alpha amylase, C-terminal all-beta domain / Alpha amylase / IPT/TIG domain / IPT domain / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain / Golgi alpha-mannosidase II / Glycosyl hydrolase, all-beta / Glycosidases / Immunoglobulin E-set / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Immunoglobulin-like fold / Immunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Chem-ACI / Cyclomaltodextrin glucanotransferase
Similarity search - Component
Biological speciesBacillus sp. (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsHaga, K. / Kanai, R. / Sakamoto, O. / Harata, K. / Yamane, K.
Citation
Journal: J.Biochem.(Tokyo) / Year: 2003
Title: Effects of Essential Carbohydrate/Aromatic Stacking Interaction with Tyr100 and Phe259 on Substrate Binding of Cyclodextrin Glycosyltransferase from Alkalophilic Bacillus sp. 1011
Authors: Haga, K. / Kanai, R. / Sakamoto, O. / Aoyagi, M. / Harata, K. / Yamane, K.
#1: Journal: Acta Crystallogr.,Sect.D / Year: 1996
Title: X-ray Structure of Cyclodextrin Glucano-transferase from Alkalophilic Bacillus sp.1011. Comparison of Two Independent Molecules at 1.8 Angstrom Resolution
Authors: Harata, K. / Haga, K. / Nakamura, A. / Aoyagi, M. / Yamane, K.
History
DepositionSep 1, 2003Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Feb 24, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Source and taxonomy / Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / 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_struct_conn_angle / pdbx_validate_chiral / 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 / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _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_label_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 / _pdbx_validate_chiral.auth_asym_id / _pdbx_validate_chiral.auth_seq_id / _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 / _struct_conn_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 10, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 2.2Oct 25, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 2.3Nov 13, 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: Cyclomaltodextrin glucanotransferase
B: Cyclomaltodextrin glucanotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)151,81610
Polymers150,3602
Non-polymers1,4568
Water4,558253
1
A: Cyclomaltodextrin glucanotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,9085
Polymers75,1801
Non-polymers7284
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Cyclomaltodextrin glucanotransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)75,9085
Polymers75,1801
Non-polymers7284
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)65.68, 74.47, 80.10
Angle α, β, γ (deg.)85.29, 105.59, 100.81
Int Tables number1
Space group name H-MP1

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Components

#1: Protein Cyclomaltodextrin glucanotransferase / Cyclodextrin-glycosyltransferase / CGTase / cyclodextrin glucanotransferase


Mass: 75180.070 Da / Num. of mol.: 2 / Mutation: Y100L
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bacillus sp. (bacteria) / Strain: 1011 / Plasmid: pTUE254 / Production host: Escherichia coli (E. coli) / Strain (production host): ME8417
References: UniProt: P05618, cyclomaltodextrin glucanotransferase
#2: Polysaccharide 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-galactopyranose


Type: oligosaccharide / Mass: 472.439 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
WURCS=2.0/3,3,2/[a2112h-1b_1-5][a2122h-1a_1-5][a21d2m-1a_1-5]/1-2-3/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][b-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-4,6-deoxy-Glcp]{}}}LINUCSPDB-CARE
#3: Chemical ChemComp-ACI / 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL


Mass: 175.182 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C7H13NO4
#4: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 253 / 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: 2

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Sample preparation

CrystalDensity Matthews: 2.41 Å3/Da / Density % sol: 48.65 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.6
Details: PEG 3000, SODIUM CITRATE, 2-PROPANOL, CALCIUM CHLORIDE, ACARBOSE, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal grow
*PLUS
Method: unknown / Details: Harata, K., (1996) Acta Cryst., D52, 1136.

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Feb 22, 1997
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.01→76.77 Å / Num. all: 85791 / Num. obs: 68926 / Rmerge(I) obs: 0.068
Reflection shellResolution: 2.01→2.05 Å / Rmerge(I) obs: 0.371

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Processing

Software
NameVersionClassification
MADNESSdata collection
FFFEARdata reduction
X-PLORmodel building
X-PLOR3.1refinement
MADNESSdata reduction
FFFEARdata scaling
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1PAM

1pam


Resolution: 2.2→10 Å / Isotropic thermal model: ISOTROPIC / σ(F): 2 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.276 2413 -RANDOM
Rwork0.173 ---
obs0.179 40829 56.7 %-
all-68926 --
Refinement stepCycle: LAST / Resolution: 2.2→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms10616 0 92 253 10961
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_angle_deg1.52
X-RAY DIFFRACTIONx_bond_d0.009
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 6

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection obs% reflection obs (%)
2.2-2.340.3422070.257355629.7
2.34-2.510.312900.24493841.1
2.51-2.760.3243860.214631952.5
2.76-3.150.2964360.188786265.7
3.15-3.930.2655490.152897174.7
3.93-100.2485450.147918376.4

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