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- PDB-1ded: CRYSTAL STRUCTURE OF ALKALOPHILIC ASPARAGINE 233-REPLACED CYCLODE... -

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Basic information

Entry
Database: PDB / ID: 1ded
TitleCRYSTAL STRUCTURE OF ALKALOPHILIC ASPARAGINE 233-REPLACED CYCLODEXTRIN GLUCANOTRANSFERASE COMPLEXED WITH AN INHIBITOR, ACARBOSE, AT 2.0 A RESOLUTION
ComponentsCYCLODEXTRIN GLUCANOTRANSFERASE
KeywordsTRANSFERASE / CYCLODEXTRIN GLUCANOTRANSFERASE / CGTASE / ACARBOSE
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 / Immunoglobulins / TIM Barrel / Alpha-Beta Barrel / Immunoglobulin-like fold / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
beta-acarbose / Cyclomaltodextrin glucanotransferase
Similarity search - Component
Biological speciesBacillus sp. (bacteria)
MethodX-RAY DIFFRACTION / Resolution: 2 Å
AuthorsIshii, N. / Haga, K. / Yamane, K. / Harata, K.
CitationJournal: J.Biochem.(Tokyo) / Year: 2000
Title: Crystal structure of alkalophilic asparagine 233-replaced cyclodextrin glucanotransferase complexed with an inhibitor, acarbose, at 2.0 A resolution.
Authors: Ishii, N. / Haga, K. / Yamane, K. / Harata, K.
History
DepositionNov 14, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 7, 2000Provider: 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
Revision 1.4Apr 18, 2018Group: Data collection / Category: diffrn_detector / Item: _diffrn_detector.detector
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / 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_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_conn_type / 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_alt_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.occupancy / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.src_method / _entity.type / _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.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _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.value / _struct_asym.entity_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 3, 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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: CYCLODEXTRIN GLUCANOTRANSFERASE
B: CYCLODEXTRIN GLUCANOTRANSFERASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)152,5099
Polymers150,4122
Non-polymers2,0977
Water13,673759
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)64.930, 73.830, 79.050
Angle α, β, γ (deg.)85.10, 105.40, 100.50
Int Tables number1
Space group name H-MP1
DetailsTWO INDEPENDENT MOLECULES IN AN ASYMMETRIC UNIT, BEING RELATED BY PSEUDO TWO-FOLD SYMMETRY. THE BIOLOGICAL ASSEMBLY IS UNKNOWN IF THE ENZYME WORKS AS A DIMER.

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Components

#1: Protein CYCLODEXTRIN GLUCANOTRANSFERASE / CGTASE


Mass: 75206.039 Da / Num. of mol.: 2 / Fragment: CYCLODEXTRIN GLUCANOTRANSFERASE (CGTASE) / Mutation: H233N
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bacillus sp. (bacteria) / Strain: 1011 / Plasmid: PTUE254 / Production host: Escherichia coli (E. coli)
References: UniProt: P05618, cyclomaltodextrin glucanotransferase
#2: Polysaccharide 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D- ...4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose / beta-acarbose


Type: oligosaccharide, Oligosaccharide / Class: Inhibitor / Mass: 645.606 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: beta-acarbose
DescriptorTypeProgram
WURCS=2.0/3,3,2/[a2122h-1b_1-5][a2122h-1a_1-5][a2122m-1a_1-5_4*NC^SC^SC^SC^RCCO/7=^ZC$3/6O/5O/4O]/1-2-3/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][b-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-6-deoxy-Glcp4N]{[(4+1)][<C7O4>]{}}}}LINUCSPDB-CARE
#3: Chemical
ChemComp-CA / CALCIUM ION


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


Mass: 18.015 Da / Num. of mol.: 759 / Source method: isolated from a natural source / Formula: H2O

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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: 2.39 Å3/Da / Density % sol: 48.44 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5.6
Details: PEG 3000, ISO-PROPANOL, SODIUM CITRATE, ACARBOSE, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110 mg/mlprotein1drop
20.4 mMacarbose1drop
3100 mMsodium citrate1reservoir
420 %(w/v)PEG30001reservoir
520 %(v/v)isopropanol1reservoir

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Data collection

DiffractionMean temperature: 286 K
Diffraction sourceSource: ROTATING ANODE / Type: ENRAF-NONIUS FR571 / Wavelength: 1.5418
DetectorType: ENRAF-NONIUS FAST / Detector: DIFFRACTOMETER
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.9→20.5 Å / Num. all: 95583 / Num. obs: 95583 / % possible obs: 92.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.4 % / Rmerge(I) obs: 0.088
Reflection shellResolution: 2→2.03 Å / Rmerge(I) obs: 0.16 / % possible all: 79.97
Reflection
*PLUS

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Processing

Software
NameVersionClassification
MADNESSdata collection
X-PLORmodel building
X-PLOR3.1refinement
MADNESSdata reduction
X-PLORphasing
RefinementResolution: 2→10 Å / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.222 2961 -RANDOM
Rwork0.163 ---
obs0.163 58118 62.3 %-
all-95583 --
Refinement stepCycle: LAST / Resolution: 2→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms10620 0 136 759 11515
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.014
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d3.007
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refinement
*PLUS
Highest resolution: 2 Å / Lowest resolution: 10 Å / σ(F): 2
Solvent computation
*PLUS
Displacement parameters
*PLUS

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