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- PDB-2je9: CRYSTAL STRUCTURE OF RECOMBINANT DIOCLEA GRANDIFLORA LECTIN COMPL... -

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Basic information

Entry
Database: PDB / ID: 2je9
TitleCRYSTAL STRUCTURE OF RECOMBINANT DIOCLEA GRANDIFLORA LECTIN COMPLEXED WITH 5-BROMO-4-CHLORO-3-INDOLYL-A-D-MANNOSE
ComponentsLECTIN ALPHA CHAIN
KeywordsSUGAR BINDING PROTEIN / METAL-BINDING / CARBOHYDRATE BINDING PROTEIN / CONA-LIKE / LEGUME LECTIN / SUGAR-BINDING PROTEIN
Function / homology
Function and homology information


D-mannose binding / toxin activity / carbohydrate binding / identical protein binding / metal ion binding
Similarity search - Function
Legume lectin, alpha chain, conserved site / Legume lectins alpha-chain signature. / Legume lectins beta-chain signature. / Legume lectin domain / Legume lectin, beta chain, Mn/Ca-binding site / Legume lectin domain / : / Jelly Rolls - #200 / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls ...Legume lectin, alpha chain, conserved site / Legume lectins alpha-chain signature. / Legume lectins beta-chain signature. / Legume lectin domain / Legume lectin, beta chain, Mn/Ca-binding site / Legume lectin domain / : / Jelly Rolls - #200 / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
: / Chem-XMM / Lectin alpha chain
Similarity search - Component
Biological speciesDIOCLEA GRANDIFLORA (mucana)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsNagano, C.S. / Sanz, L. / Cavada, B.S. / Calvete, J.J.
CitationJournal: Biochem.J. / Year: 2008
Title: Insights Into the Structural Basis of the Ph- Dependent Dimer-Tetramer Equilibrium Through Crystallographic Analysis of Recombinant Diocleinae Lectins.
Authors: Nagano, C.S. / Calvete, J.J. / Barettino, D. / Perez, A. / Cavada, B.S. / Sanz, L.
History
DepositionJan 16, 2007Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 30, 2007Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3May 8, 2019Group: Data collection / Experimental preparation / Other
Category: database_PDB_rev / database_PDB_rev_record ...database_PDB_rev / database_PDB_rev_record / exptl_crystal_grow / pdbx_database_proc / pdbx_database_status
Item: _exptl_crystal_grow.method / _pdbx_database_status.recvd_author_approval
Revision 1.4Jul 29, 2020Group: Derived calculations / Other / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_database_status / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.mon_nstd_flag / _chem_comp.name ..._chem_comp.mon_nstd_flag / _chem_comp.name / _entity.pdbx_description / _pdbx_database_status.status_code_sf / _pdbx_entity_nonpoly.name / _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_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_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_conn.pdbx_dist_value / _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_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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.5Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Remark 700 SHEET DETERMINATION METHOD: AUTHOR PROVIDED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: LECTIN ALPHA CHAIN
B: LECTIN ALPHA CHAIN
C: LECTIN ALPHA CHAIN
D: LECTIN ALPHA CHAIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)106,02223
Polymers103,3354
Non-polymers2,68719
Water7,945441
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12600 Å2
ΔGint-225.2 kcal/mol
Surface area33310 Å2
MethodPISA
Unit cell
Length a, b, c (Å)72.171, 85.153, 175.741
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein / Sugars , 2 types, 8 molecules ABCD

#1: Protein
LECTIN ALPHA CHAIN


Mass: 25833.648 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) DIOCLEA GRANDIFLORA (mucana) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P08902
#4: Sugar
ChemComp-XMM / 5-bromo-4-chloro-1H-indol-3-yl alpha-D-mannopyranoside / (2R,3S,4S,5S,6R)-2-(5-BROMO-4-CHLORO-1H-INDOL-3-YLOXY)-TETRAHYDRO-6-(HYDROXYMETHYL)-2H-PYRAN-3,4,5-TRIOL / (5-BROMO-4-CHLORO-3-INDOLYL)-Alpha-D-MANNOSE / 5-bromo-4-chloro-1H-indol-3-yl alpha-D-mannoside / 5-bromo-4-chloro-1H-indol-3-yl D-mannoside / 5-bromo-4-chloro-1H-indol-3-yl mannoside


Type: D-saccharide / Mass: 408.629 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Formula: C14H15BrClNO6

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Non-polymers , 4 types, 456 molecules

#2: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#3: Chemical
ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mn
#5: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: SO4
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 441 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsTHE AMINO ACID SEQUENCES WERE OBTAINED FROM THE DEDUCED DNA. THESE SEQUENCES WERE CONFIRMED BY DNA ...THE AMINO ACID SEQUENCES WERE OBTAINED FROM THE DEDUCED DNA. THESE SEQUENCES WERE CONFIRMED BY DNA SEQUENCE OF ALL CLONES. THE INSERTIONS AT N-TERMINAL ARE DUE THE NCOI RESTRICTION SITE OF THE PET-32A VECTOR.

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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: 2.62 Å3/Da / Density % sol: 53.02 % / Description: NONE
Crystal growMethod: vapor diffusion, hanging drop / pH: 7.5
Details: CRYSTALS WERE GROWN BY THE HANGING DROP VAPOUR DIFFUSION METHOD USING 15% PEG 4000, 0.1M HEPES, PH 7.5 AND 0.1M LITHIUM SULFATE

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-2 / Wavelength: 0.873
DetectorType: MARRESEARCH / Detector: CCD / Date: Mar 21, 2006
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.873 Å / Relative weight: 1
ReflectionResolution: 2.1→72.17 Å / Num. obs: 63973 / % possible obs: 99.9 % / Observed criterion σ(I): 2 / Redundancy: 4.6 % / Rmerge(I) obs: 0.08 / Net I/σ(I): 6.9
Reflection shellResolution: 2.1→2.21 Å / Redundancy: 4 % / Rmerge(I) obs: 0.3 / Mean I/σ(I) obs: 2.1 / % possible all: 99.7

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
MOSFLMdata reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1DGL

1dgl


Resolution: 2.1→87.71 Å / Cor.coef. Fo:Fc: 0.944 / Cor.coef. Fo:Fc free: 0.913 / SU B: 4.569 / SU ML: 0.124 / Cross valid method: THROUGHOUT / ESU R: 0.21 / ESU R Free: 0.185 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.239 3234 5.1 %RANDOM
Rwork0.187 ---
obs0.19 60684 99.8 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 24.47 Å2
Baniso -1Baniso -2Baniso -3
1-0.01 Å20 Å20 Å2
2--0.86 Å20 Å2
3----0.87 Å2
Refinement stepCycle: LAST / Resolution: 2.1→87.71 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7235 0 135 441 7811
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.0227691
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.5731.96410547
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.7095999
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.53424.637317
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.486151176
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.1711529
X-RAY DIFFRACTIONr_chiral_restr0.1090.21217
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.025845
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1970.23188
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.2990.25231
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1690.2440
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0830.216
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2080.237
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2810.215
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.1→2.15 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.282 232 -
Rwork0.198 4392 -
obs--99.55 %

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