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- PDB-3sev: Zn-mediated Trimer of Maltose-binding Protein E310H/K314H by Synt... -

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Basic information

Entry
Database: PDB / ID: 3sev
TitleZn-mediated Trimer of Maltose-binding Protein E310H/K314H by Synthetic Symmetrization
ComponentsMaltose-binding periplasmic protein
KeywordsSUGAR BINDING PROTEIN / metal-mediated synthetic symmetrization / synthetic symmetrization
Function / homology
Function and homology information


detection of maltose stimulus / maltose binding / maltose transport complex / maltose transport / maltodextrin transmembrane transport / carbohydrate transmembrane transporter activity / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / carbohydrate transport / ATP-binding cassette (ABC) transporter complex / cell chemotaxis ...detection of maltose stimulus / maltose binding / maltose transport complex / maltose transport / maltodextrin transmembrane transport / carbohydrate transmembrane transporter activity / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / carbohydrate transport / ATP-binding cassette (ABC) transporter complex / cell chemotaxis / outer membrane-bounded periplasmic space / periplasmic space / DNA damage response / membrane
Similarity search - Function
Maltose/Cyclodextrin ABC transporter, substrate-binding protein / Solute-binding family 1, conserved site / Bacterial extracellular solute-binding proteins, family 1 signature. / Bacterial extracellular solute-binding protein / Bacterial extracellular solute-binding protein / Periplasmic binding protein-like II / D-Maltodextrin-Binding Protein; domain 2 / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
alpha-maltose / Maltose/maltodextrin-binding periplasmic protein
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 3.05 Å
AuthorsZhao, M. / Soriaga, A.B. / Laganowsky, A. / Sawaya, M.R. / Cascio, D. / Yeates, T.O.
CitationJournal: Protein Sci. / Year: 2011
Title: An approach to crystallizing proteins by metal-mediated synthetic symmetrization.
Authors: Laganowsky, A. / Zhao, M. / Soriaga, A.B. / Sawaya, M.R. / Cascio, D. / Yeates, T.O.
History
DepositionJun 11, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 21, 2011Provider: repository / Type: Initial release
Revision 1.1Nov 2, 2011Group: Database references
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.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _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_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 2.1Feb 28, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Maltose-binding periplasmic protein
C: Maltose-binding periplasmic protein
E: Maltose-binding periplasmic protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)123,17910
Polymers121,9203
Non-polymers1,2597
Water1086
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6120 Å2
ΔGint-127 kcal/mol
Surface area41950 Å2
MethodPISA
Unit cell
Length a, b, c (Å)113.780, 115.720, 119.450
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Maltose-binding periplasmic protein / MMBP / Maltodextrin-binding protein


Mass: 40639.980 Da / Num. of mol.: 3 / Mutation: E310H, K314H
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: b4034, JW3994, malE / Plasmid: pMal-a1 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DE3) / References: UniProt: P0AEX9
#2: Polysaccharide alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose / alpha-maltose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: alpha-maltose
DescriptorTypeProgram
DGlcpa1-4DGlcpa1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1a_1-5]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(4+1)][a-D-Glcp]{}}LINUCSPDB-CARE
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn
#4: Chemical ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 6 / 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: 3.22 Å3/Da / Density % sol: 61.86 %
Crystal growTemperature: 290 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 0.1M HEPES, 2.4M AMMONIUM SULFATE, pH 8.0, vapor diffusion, hanging drop, temperature 290K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-C / Wavelength: 0.9795 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 16, 2010
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9795 Å / Relative weight: 1
ReflectionResolution: 3.05→39.06 Å / Num. obs: 30645 / % possible obs: 99.6 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 49.039 Å2 / Rmerge(I) obs: 0.123 / Net I/σ(I): 10.39
Reflection shell

Diffraction-ID: 1

Resolution (Å)Highest resolution (Å)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. unique obs% possible all
3.05-3.130.5432.438839223199.7
3.13-3.220.4453.138935217499.8
3.22-3.310.363.959058213499.8
3.31-3.410.3074.628997204599.9
3.41-3.520.2316.28995201099.8
3.52-3.650.2047.228788193199.9
3.65-3.780.1778.38538187199.8
3.78-3.940.1599.18182180199.7
3.94-4.110.12811.427860172599.4
4.11-4.310.11811.997437165899.7
4.31-4.550.10313.886985158199.6
4.55-4.820.09515.056453150399.4
4.82-5.160.09414.996049141699.6
5.16-5.570.09714.065606131799.8
5.57-6.10.09214.565391122599.7
6.1-6.820.07616.915091111699.7
6.82-7.880.05720.74446199599.9
7.88-9.650.04424.76372086199.8
9.65-13.640.03826.65278567299.1
13.640.03424.86143037991.1

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Phasing

PhasingMethod: molecular replacement
Phasing MRModel details: Phaser MODE: MR_AUTO
Highest resolutionLowest resolution
Rotation3.2 Å67.11 Å
Translation3.2 Å67.11 Å

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Processing

Software
NameVersionClassificationNB
XSCALEdata scaling
PHASER2.1.4phasing
BUSTER-TNTrefinement
PDB_EXTRACT3.1data extraction
BUSTER2.8.0refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 3.05→39.06 Å / Cor.coef. Fo:Fc: 0.8883 / Cor.coef. Fo:Fc free: 0.8474 / Occupancy max: 1 / Occupancy min: 0.26 / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.263 1544 5.05 %RANDOM
Rwork0.2207 ---
obs0.2229 30595 --
Displacement parametersBiso max: 151.43 Å2 / Biso mean: 51.6023 Å2 / Biso min: 11.08 Å2
Baniso -1Baniso -2Baniso -3
1-6.3355 Å20 Å20 Å2
2---3.7297 Å20 Å2
3----2.6058 Å2
Refine analyzeLuzzati coordinate error obs: 0.562 Å
Refinement stepCycle: LAST / Resolution: 3.05→39.06 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8452 0 73 6 8531
Refine LS restraints
Refine-IDTypeNumberRestraint functionWeightDev ideal
X-RAY DIFFRACTIONt_dihedral_angle_d2893SINUSOIDAL2
X-RAY DIFFRACTIONt_trig_c_planes233HARMONIC2
X-RAY DIFFRACTIONt_gen_planes1251HARMONIC5
X-RAY DIFFRACTIONt_it8744HARMONIC20
X-RAY DIFFRACTIONt_nbd3SEMIHARMONIC5
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_chiral_improper_torsion1177SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact10235SEMIHARMONIC4
X-RAY DIFFRACTIONt_bond_d8744HARMONIC20.009
X-RAY DIFFRACTIONt_angle_deg11927HARMONIC21.1
X-RAY DIFFRACTIONt_omega_torsion2.29
X-RAY DIFFRACTIONt_other_torsion19.46
LS refinement shellResolution: 3.05→3.16 Å / Total num. of bins used: 15
RfactorNum. reflection% reflection
Rfree0.301 163 5.51 %
Rwork0.2528 2797 -
all0.2554 2960 -

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