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- PDB-8ojo: Galectin-3 in complex with 2,6-Anhydro-5-S-(beta-D-galactopyranos... -

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Basic information

Entry
Database: PDB / ID: 8ojo
TitleGalectin-3 in complex with 2,6-Anhydro-5-S-(beta-D-galactopyranosyl)-5-thio-D-altritol
ComponentsGalectin-3
KeywordsSUGAR BINDING PROTEIN
Function / homology
Function and homology information


: / negative regulation of immunological synapse formation / disaccharide binding / negative regulation of T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell / RUNX2 regulates genes involved in differentiation of myeloid cells / regulation of T cell apoptotic process / mononuclear cell migration / positive regulation of mononuclear cell migration / negative regulation of endocytosis / IgE binding ...: / negative regulation of immunological synapse formation / disaccharide binding / negative regulation of T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell / RUNX2 regulates genes involved in differentiation of myeloid cells / regulation of T cell apoptotic process / mononuclear cell migration / positive regulation of mononuclear cell migration / negative regulation of endocytosis / IgE binding / eosinophil chemotaxis / regulation of extrinsic apoptotic signaling pathway via death domain receptors / RUNX1 regulates transcription of genes involved in differentiation of myeloid cells / protein phosphatase inhibitor activity / negative regulation of T cell receptor signaling pathway / regulation of T cell proliferation / positive chemotaxis / macrophage chemotaxis / positive regulation of calcium ion import / chemoattractant activity / monocyte chemotaxis / Advanced glycosylation endproduct receptor signaling / ficolin-1-rich granule membrane / immunological synapse / laminin binding / epithelial cell differentiation / neutrophil chemotaxis / RNA splicing / secretory granule membrane / negative regulation of extrinsic apoptotic signaling pathway / positive regulation of protein localization to plasma membrane / molecular condensate scaffold activity / spliceosomal complex / positive regulation of protein-containing complex assembly / mRNA processing / carbohydrate binding / protein phosphatase binding / collagen-containing extracellular matrix / mitochondrial inner membrane / innate immune response / Neutrophil degranulation / cell surface / RNA binding / extracellular space / extracellular exosome / extracellular region / nucleoplasm / membrane / nucleus / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Galectin-like / Galactoside-binding lectin / Galectin / Galectin, carbohydrate recognition domain / Galactoside-binding lectin / Galactoside-binding lectin (galectin) domain profile. / Concanavalin A-like lectin/glucanase domain superfamily
Similarity search - Domain/homology
1-deoxy-alpha-D-mannopyranose / 1-thio-beta-D-galactopyranose / Galectin-3
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsTsagkarakou, A.S. / Leonidas, D.D.
Funding support Greece, 1items
OrganizationGrant numberCountry
Not funded Greece
CitationJournal: J.Med.Chem. / Year: 2023
Title: Strong Binding of C -Glycosylic1,2-Thiodisaccharides to Galectin-3─Enthalpy-Driven Affinity Enhancement by Water-Mediated Hydrogen Bonds.
Authors: Lazar, L. / Tsagkarakou, A.S. / Stravodimos, G. / Kontopidis, G. / Leffler, H. / Nilsson, U.J. / Somsak, L. / Leonidas, D.D.
History
DepositionMar 24, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 13, 2023Provider: repository / Type: Initial release
Revision 1.1Sep 20, 2023Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Galectin-3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)16,1346
Polymers15,7011
Non-polymers4335
Water3,873215
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: equilibrium centrifugation
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area280 Å2
ΔGint-22 kcal/mol
Surface area7400 Å2
MethodPISA
Unit cell
Length a, b, c (Å)35.920, 58.090, 62.480
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 Galectin-3 / Gal-3 / 35 kDa lectin / Carbohydrate-binding protein 35 / CBP 35 / Galactose-specific lectin 3 / ...Gal-3 / 35 kDa lectin / Carbohydrate-binding protein 35 / CBP 35 / Galactose-specific lectin 3 / Galactoside-binding protein / GALBP / IgE-binding protein / L-31 / Laminin-binding protein / Lectin L-29 / Mac-2 antigen


Mass: 15701.049 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LGALS3, MAC2 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P17931
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#3: Sugar ChemComp-AH2 / 1-deoxy-alpha-D-mannopyranose / 1,5-Anhydromannitol / 1-deoxy-alpha-D-mannose / 1-deoxy-D-mannose / 1-deoxy-mannose


Type: D-saccharide / Mass: 164.156 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H12O5 / Feature type: SUBJECT OF INVESTIGATION
#4: Sugar ChemComp-YIO / 1-thio-beta-D-galactopyranose / (2R,3R,4S,5R,6S)-2-(HYDROXYMETHYL)-6-SULFANYL-OXANE-3,4,5-TRIOL / 1-thio-beta-D-galactose / 1-thio-D-galactose / 1-thio-galactose


Type: D-saccharide, beta linking / Mass: 196.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H12O5S
IdentifierTypeProgram
b-D-Galp1SHIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 215 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.08 Å3/Da / Density % sol: 40.75 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 8.5
Details: 0.1 M Tris-HCl, pH 8.5, 0.2 M MgCl2, and 35% w/v PEG 8000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: ROTATING ANODE / Type: BRUKER AXS MICROSTAR / Wavelength: 1.54179 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Oct 23, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54179 Å / Relative weight: 1
ReflectionResolution: 1.8→31.16 Å / Num. obs: 12637 / % possible obs: 99.9 % / Redundancy: 4.9 % / CC1/2: 0.997 / Net I/σ(I): 26.2
Reflection shellResolution: 1.8→1.84 Å / Num. unique obs: 708 / CC1/2: 0.994

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Processing

Software
NameVersionClassification
REFMAC5.8.0267refinement
MOSFLMdata reduction
Aimlessdata scaling
REFMACphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.8→31.16 Å / Cor.coef. Fo:Fc: 0.967 / Cor.coef. Fo:Fc free: 0.937 / SU B: 2.07 / SU ML: 0.065 / Cross valid method: THROUGHOUT / ESU R: 0.114 / ESU R Free: 0.109 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.17595 674 5.3 %RANDOM
Rwork0.13612 ---
obs0.13822 11927 99.74 %-
Solvent computationIon probe radii: 0.7 Å / Shrinkage radii: 0.7 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 12.706 Å2
Baniso -1Baniso -2Baniso -3
1--0.67 Å20 Å20 Å2
2---0.08 Å20 Å2
3---0.75 Å2
Refinement stepCycle: 1 / Resolution: 1.8→31.16 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1108 0 25 215 1348
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0131166
X-RAY DIFFRACTIONr_bond_other_d0.0010.0151130
X-RAY DIFFRACTIONr_angle_refined_deg1.7091.6531585
X-RAY DIFFRACTIONr_angle_other_deg1.3561.582597
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.5535139
X-RAY DIFFRACTIONr_dihedral_angle_2_deg28.49721.64267
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.62215196
X-RAY DIFFRACTIONr_dihedral_angle_4_deg8.9631510
X-RAY DIFFRACTIONr_chiral_restr0.0790.2155
X-RAY DIFFRACTIONr_gen_planes_refined0.010.021307
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02281
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.2221.037553
X-RAY DIFFRACTIONr_mcbond_other1.2111.035552
X-RAY DIFFRACTIONr_mcangle_it1.8721.546690
X-RAY DIFFRACTIONr_mcangle_other1.8751.547691
X-RAY DIFFRACTIONr_scbond_it2.2171.311613
X-RAY DIFFRACTIONr_scbond_other2.2151.312614
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other3.4441.88895
X-RAY DIFFRACTIONr_long_range_B_refined5.17114.1961232
X-RAY DIFFRACTIONr_long_range_B_other4.8213.2351178
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.8→1.847 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.194 48 -
Rwork0.151 857 -
obs--100 %

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