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- PDB-1jl8: Complex of alpha-amylase II (TVA II) from Thermoactinomyces vulga... -

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Basic information

Entry
Database: PDB / ID: 1jl8
TitleComplex of alpha-amylase II (TVA II) from Thermoactinomyces vulgaris R-47 with beta-cyclodextrin based on a co-crystallization with methyl beta-cyclodextrin
ComponentsALPHA-AMYLASE II
KeywordsHYDROLASE / pullulan / cyclodextrin / neopullulanase / methyl beta-cyclodextrin / beta-cyclodextrin
Function / homology
Function and homology information


neopullulanase activity / neopullulanase / carbohydrate metabolic process / metal ion binding
Similarity search - Function
Glycoside hydrolase, family 13, N-terminal Ig-like domain / Alpha amylase, N-terminal ig-like domain / Maltogenic Amylase, C-terminal / Maltogenic Amylase, C-terminal domain / Oligo-1,6-glucosidase; domain 2 / Oligo-1,6-glucosidase; Domain 2 / Oligo-1,6-glucosidase, domain 2 / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain ...Glycoside hydrolase, family 13, N-terminal Ig-like domain / Alpha amylase, N-terminal ig-like domain / Maltogenic Amylase, C-terminal / Maltogenic Amylase, C-terminal domain / Oligo-1,6-glucosidase; domain 2 / Oligo-1,6-glucosidase; Domain 2 / Oligo-1,6-glucosidase, domain 2 / 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 / Alpha-Beta Complex / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
beta-cyclodextrin / Neopullulanase 2
Similarity search - Component
Biological speciesThermoactinomyces vulgaris (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 3.2 Å
AuthorsYokota, T. / Tonozuka, T. / Shimura, Y. / Ichikawa, K. / Kamitori, S. / Sakano, Y.
CitationJournal: Biosci.Biotechnol.Biochem. / Year: 2001
Title: Structures of Thermoactinomyces vulgaris R-47 alpha-amylase II complexed with substrate analogues.
Authors: Yokota, T. / Tonozuka, T. / Shimura, Y. / Ichikawa, K. / Kamitori, S. / Sakano, Y.
History
DepositionJul 16, 2001Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 1, 2001Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / 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 / struct_conn / 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_atom_id / _atom_site.label_comp_id / _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.src_method / _entity.type
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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: ALPHA-AMYLASE II
B: ALPHA-AMYLASE II
hetero molecules


Theoretical massNumber of molelcules
Total (without water)137,4124
Polymers135,1062
Non-polymers2,3062
Water00
1
A: ALPHA-AMYLASE II
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,7062
Polymers67,5531
Non-polymers1,1531
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: ALPHA-AMYLASE II
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,7062
Polymers67,5531
Non-polymers1,1531
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)118.019, 120.359, 113.524
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 ALPHA-AMYLASE II / NEOPULLULANASE


Mass: 67553.125 Da / Num. of mol.: 2 / Mutation: D325N
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermoactinomyces vulgaris (bacteria) / Strain: R-47 / Plasmid: pTND325N / Production host: Escherichia coli (E. coli) / Strain (production host): MV1184 / References: UniProt: Q08751, neopullulanase
#2: Polysaccharide Cycloheptakis-(1-4)-(alpha-D-glucopyranose) / beta-cyclodextrin


Type: oligosaccharide, Oligosaccharide / Class: Drug delivery / Mass: 1153.001 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Details: cyclic oligosaccharide / References: beta-cyclodextrin
DescriptorTypeProgram
WURCS=2.0/1,7,7/[a2122h-1a_1-5]/1-1-1-1-1-1-1/a1-g4_a4-b1_b4-c1_c4-d1_d4-e1_e4-f1_f4-g1WURCSPDB2Glycan 1.1.0

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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: 2.98 Å3/Da / Density % sol: 58.76 %
Crystal growTemperature: 292 K / Method: vapor diffusion, hanging drop / pH: 6
Details: MES, methyl beta-cyclodextrin, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal grow
*PLUS
Temperature: 19 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
12 %(w/v)PEG60001reservoir
25 mM1reservoirCaCl2
340 mMMES1reservoirpH6.0
420 mg/mlprotein1drop

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Data collection

DiffractionMean temperature: 292 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Nov 30, 1999
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 3.2→81.65 Å / Num. all: 73577 / Num. obs: 23296 / % possible obs: 85.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.1 % / Biso Wilson estimate: 17.397 Å2 / Rmerge(I) obs: 0.077 / Net I/σ(I): 12.1
Reflection shellResolution: 3.2→3.31 Å / Rmerge(I) obs: 0.269 / Num. unique all: 2346 / % possible all: 87.4
Reflection
*PLUS
Num. measured all: 73577

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Processing

Software
NameClassification
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1BVZ

1bvz


Resolution: 3.2→39.5 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 4461893.67 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.255 2301 9.9 %RANDOM
Rwork0.189 ---
all-23278 --
obs-23278 85.2 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 10 Å2 / ksol: 0.240771 e/Å3
Displacement parametersBiso mean: 39.6 Å2
Baniso -1Baniso -2Baniso -3
1-1.11 Å20 Å20 Å2
2---3.63 Å20 Å2
3---2.52 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.43 Å0.31 Å
Luzzati d res low-5 Å
Luzzati sigma a0.44 Å0.37 Å
Refinement stepCycle: LAST / Resolution: 3.2→39.5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9552 0 154 0 9706
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.01
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d24.9
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.9
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.341.5
X-RAY DIFFRACTIONc_mcangle_it2.372
X-RAY DIFFRACTIONc_scbond_it1.752
X-RAY DIFFRACTIONc_scangle_it2.92.5
LS refinement shellResolution: 3.2→3.4 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.313 389 9.9 %
Rwork0.249 3522 -
obs--87.5 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2BCD_XPLOR.PARAMBCD_XPLOR.TOP
Software
*PLUS
Name: CNS / Version: 1 / Classification: refinement
Refinement
*PLUS
σ(F): 0 / % reflection Rfree: 9.9 % / Rfactor obs: 0.189
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 39.6 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg24.9
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.9
X-RAY DIFFRACTIONc_mcbond_it1.341.5
X-RAY DIFFRACTIONc_scbond_it1.752
X-RAY DIFFRACTIONc_mcangle_it2.372
X-RAY DIFFRACTIONc_scangle_it2.92.5
LS refinement shell
*PLUS
Rfactor Rfree: 0.313 / % reflection Rfree: 9.9 % / Rfactor Rwork: 0.249

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