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- PDB-1zs2: Amylosucrase Mutant E328Q in a ternary complex with sucrose and m... -

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Basic information

Entry
Database: PDB / ID: 1zs2
TitleAmylosucrase Mutant E328Q in a ternary complex with sucrose and maltoheptaose
Componentsamylosucrase
KeywordsTRANSFERASE / ternary complex / (BETA/ALPHA)8-BARREL
Function / homology
Function and homology information


amylosucrase / amylosucrase activity / carbohydrate metabolic process / extracellular region
Similarity search - Function
Amylosucrase, catalytic domain / RNA polymerase sigma factor, region 2, helix turn helix motif / Oligo-1,6-glucosidase; domain 2 / Oligo-1,6-glucosidase; Domain 2 / Rna Polymerase Sigma Factor; Chain: A / Oligo-1,6-glucosidase, domain 2 / Alpha amylase, catalytic domain / Glycosyl hydrolase, family 13, catalytic domain / Alpha-amylase domain / Golgi alpha-mannosidase II ...Amylosucrase, catalytic domain / RNA polymerase sigma factor, region 2, helix turn helix motif / Oligo-1,6-glucosidase; domain 2 / Oligo-1,6-glucosidase; Domain 2 / Rna Polymerase Sigma Factor; Chain: A / 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 / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha-Beta Complex / Immunoglobulin-like / Sandwich / Orthogonal Bundle / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
sucrose / alpha-maltotriose / alpha-maltotetraose / : / Amylosucrase
Similarity search - Component
Biological speciesNeisseria polysaccharea (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.16 Å
AuthorsSkov, L.K. / Mirza, O. / Sprogoe, D. / van der Veen, B.A. / Remaud-Simeon, M. / Albenne, C. / Monsan, P. / Gajhede, M.
Citation
Journal: BIOCATAL.BIOTRANSFOR. / Year: 2006
Title: Crystal structure of the Glu328Gln mutant of Neisseria polysaccharea amylosucrase in complex with sucrose and maltoheptaose
Authors: Skov, L.K. / Mirza, O. / Sprogoe, D. / van der Veen, B.A. / Remaud-Simeon, M. / Albenne, C. / Monsan, P. / Gajhede, M.
#1: Journal: J.Biol.Chem. / Year: 2001
Title: Amylosucrase, a glucan-synthesizing enzyme from the alpha-amylase family
Authors: Skov, L.K. / Mirza, O. / Henriksen, A. / De Montalk, G.P. / Remaud-Simeon, M. / Sarcabal, P. / Willemot, R.M. / Monsan, P. / Gajhede, M.
#2: Journal: Biochemistry / Year: 2001
Title: Crystal structure of amylosucrase from neisseria polysaccharea in complex with d-glucose and the active site mutant glu328gln in complex with the natural substrate sucrose
Authors: Mirza, O. / Skov, L.K. / Remaud-Simeon, M. / De Montalk, G.P. / Albenne, C. / Monsan, P. / Gajhede, M.
#3: Journal: J.Biol.Chem. / Year: 2002
Title: Oligosaccharide and sucrose complexes of amylosucrase
Authors: Skov, L.K. / Mirza, O. / Sprogoe, D. / Dar, I. / Remaud-Simeon, M. / Albenne, C. / Monsan, P. / Gajhede, M.
History
DepositionMay 23, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 2, 2006Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jan 31, 2018Group: Data collection / Database references / Category: citation_author / diffrn_source
Item: _citation_author.name / _diffrn_source.pdbx_synchrotron_site
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_assembly_gen / pdbx_struct_special_symmetry / struct_asym / struct_conn / 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_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_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.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_special_symmetry.label_asym_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 20, 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 2.2Aug 23, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Remark 999SEQUENCE THE DISCREPANCY BETWEEN RESIDUES TYR 131 AND THE GENBANK SEQUENCE DATABASE REFERENCE, ...SEQUENCE THE DISCREPANCY BETWEEN RESIDUES TYR 131 AND THE GENBANK SEQUENCE DATABASE REFERENCE, ACCESSION 4107260, RESIDUES HIS 139 IS DUE TO A PCR ERROR.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: amylosucrase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,0434
Polymers71,5301
Non-polymers1,5133
Water12,178676
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)95.741, 116.358, 61.051
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
Components on special symmetry positions
IDModelComponents
11A-1376-

HOH

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Components

#1: Protein amylosucrase /


Mass: 71530.086 Da / Num. of mol.: 1 / Mutation: E328Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Neisseria polysaccharea (bacteria) / Plasmid: PGEX-6-p-3 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109
References: GenBank: 4107260, UniProt: Q9ZEU2*PLUS, amylosucrase
#2: Polysaccharide alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose / alpha-maltotetraose


Type: oligosaccharide, Oligosaccharide / Class: Substrate analog / Mass: 666.578 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: alpha-maltotetraose
DescriptorTypeProgram
DGlcpa1-4DGlcpa1-4DGlcpa1-4DGlcpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,4,3/[a2122h-1a_1-5]/1-1-1-1/a4-b1_b4-c1_c4-d1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{}}}}LINUCSPDB-CARE
#3: Polysaccharide alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose / alpha-maltotriose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 504.438 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: alpha-maltotriose
DescriptorTypeProgram
DGlcpa1-4DGlcpa1-4DGlcpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,3,2/[a2122h-1a_1-5]/1-1-1/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{}}}LINUCSPDB-CARE
#4: Polysaccharide beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose / sucrose /


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide with reducing-end-to-reducing-end glycosidic bond
References: sucrose
DescriptorTypeProgram
DFrufb2-1DGlcpaGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[ha122h-2b_2-5][a2122h-1a_1-5]/1-2/a2-b1WURCSPDB2Glycan 1.1.0
[][b-D-Fruf]{[(2+1)][a-D-Glcp]{}}LINUCSPDB-CARE
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 676 / 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: 1

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Sample preparation

CrystalDensity Matthews: 2.38 Å3/Da / Density % sol: 48.23 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7
Details: PEG 6000, SODIUM CHLORIDE, TRIS-HCL, EDTA, HEPES, DTT, sucrose, maltoheptaose, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: SYNCHROTRON / Site: MAX II / Beamline: I711 / Wavelength: 0.983 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: May 2, 2000
RadiationMonochromator: SI 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.983 Å / Relative weight: 1
ReflectionResolution: 2.16→30 Å / Num. all: 37637 / Num. obs: 37336 / % possible obs: 99.2 % / Observed criterion σ(I): -3 / Redundancy: 3.3 % / Biso Wilson estimate: 7 Å2 / Rmerge(I) obs: 0.095 / Net I/σ(I): 13
Reflection shellResolution: 2.16→2.24 Å / Rmerge(I) obs: 0.238 / Mean I/σ(I) obs: 4.3 / % possible all: 96.7

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 1g5a

1g5a


Resolution: 2.16→28.22 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 424875.04 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.221 1775 5 %RANDOM
Rwork0.178 ---
obs0.178 35650 95.5 %-
all-37337 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 36.3346 Å2 / ksol: 0.306013 e/Å3
Displacement parametersBiso mean: 14.6 Å2
Baniso -1Baniso -2Baniso -3
1--1.3 Å20 Å20 Å2
2---2.26 Å20 Å2
3---3.55 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.26 Å0.21 Å
Luzzati d res low-5 Å
Luzzati sigma a0.21 Å0.15 Å
Refinement stepCycle: LAST / Resolution: 2.16→28.22 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5070 0 102 676 5848
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.005
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_deg1.2
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d22.4
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.74
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it0.291.5
X-RAY DIFFRACTIONc_mcangle_it0.522
X-RAY DIFFRACTIONc_scbond_it0.342
X-RAY DIFFRACTIONc_scangle_it0.562.5
LS refinement shellResolution: 2.16→2.3 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.266 270 4.9 %
Rwork0.208 5284 -
obs--90.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3suc_cns.parCNS_TOOPAR:carbohydrate.top
X-RAY DIFFRACTION4carbohydrate.paramsuc_cns_2.top

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