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- PDB-6q0q: Crystal structure of Human galectin-3 CRD in complex with Methyl ... -

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Basic information

Entry
Database: PDB / ID: 6q0q
TitleCrystal structure of Human galectin-3 CRD in complex with Methyl 3-O-(1-{3-O-[1-(b-D-galactopyranosyl)-1,2,3-triazol-4-yl]-methyl-b-D-galactopyranosyl}-1,2,3-triazol-4-yl)-methyl-b-D-galactopyranoside
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. / Jelly Rolls - #200 / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Chem-P8G / Galectin-3
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.98601176315 Å
AuthorsKishor, C. / Blanchard, H.
Funding support Australia, 1items
OrganizationGrant numberCountry
Other governmentCancer Council Queensland Grant ID180845 Australia
CitationJournal: Chem.Biol.Drug Des. / Year: 2020
Title: Linear triazole-linked pseudo oligogalactosides as scaffolds for galectin inhibitor development.
Authors: Dussouy, C. / Kishor, C. / Lambert, A. / Lamoureux, C. / Blanchard, H. / Grandjean, C.
History
DepositionAug 2, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 29, 2020Provider: repository / Type: Initial release
Revision 1.1Dec 23, 2020Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.2Mar 13, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _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: Galectin-3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)16,4743
Polymers15,7581
Non-polymers7162
Water1,54986
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)35.950, 57.860, 62.340
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Space group name HallP2ac2ab
Symmetry operation#1: x,y,z
#2: x+1/2,-y+1/2,-z
#3: -x,y+1/2,-z+1/2
#4: -x+1/2,-y,z+1/2

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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: 15758.100 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 (E. coli) / References: UniProt: P17931
#2: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#3: Chemical ChemComp-P8G / (2~{R},3~{R},4~{S},5~{R},6~{R})-2-(hydroxymethyl)-6-[4-[[(2~{R},3~{S},4~{S},5~{R},6~{R})-2-(hydroxymethyl)-6-[4-[[(2~{R},3~{S},4~{S},5~{R},6~{R})-2-(hydroxymethyl)-6-methoxy-3,5-bis(oxidanyl)oxan-4-yl]oxymethyl]-1,2,3-triazol-1-yl]-3,5-bis(oxidanyl)oxan-4-yl]oxymethyl]-1,2,3-triazol-1-yl]oxane-3,4,5-triol


Mass: 680.616 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C25H40N6O16 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 86 / 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: 2.06 Å3/Da / Density % sol: 40.21 %
Crystal growTemperature: 297 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 31% PEG 3100, 100 mM tris-HCl pH 7.5, 100 mM MgCl2, 8 mM 2-Mercaptoethanol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.9737 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Mar 9, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9737 Å / Relative weight: 1
ReflectionResolution: 1.9→42.41 Å / Num. obs: 9367 / % possible obs: 99.9 % / Redundancy: 7.7 % / Biso Wilson estimate: 11.8900824873 Å2 / Rmerge(I) obs: 0.029 / Net I/σ(I): 49.6
Reflection shellResolution: 1.99→2.06 Å / Rmerge(I) obs: 0.053 / Num. unique obs: 9367

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Processing

Software
NameVersionClassification
PHENIX1.10.1_2155refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.98601176315→42.4086373395 Å / SU ML: 0.184089291899 / Cross valid method: FREE R-VALUE / σ(F): 1.42142543639 / Phase error: 22.0442827781
RfactorNum. reflection% reflection
Rfree0.217484394832 481 5.10615711253 %
Rwork0.178642726982 --
obs0.180851432212 9367 99.8198580057 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso mean: 13.9130732688 Å2
Refinement stepCycle: LAST / Resolution: 1.98601176315→42.4086373395 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1112 0 48 86 1246
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.009483187143861212
X-RAY DIFFRACTIONf_angle_d1.056953399681657
X-RAY DIFFRACTIONf_chiral_restr0.0708721744931190
X-RAY DIFFRACTIONf_plane_restr0.00641792526091214
X-RAY DIFFRACTIONf_dihedral_angle_d12.2278631909744
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.99-2.27340.2397136321871450.1705532645472920X-RAY DIFFRACTION99.5776478233
2.2734-2.86410.2425481491811500.1956302416782950X-RAY DIFFRACTION99.967752338

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