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- PDB-3vkl: Protease-resistant mutant form of human Galectin-8 in complex wit... -

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Basic information

Entry
Database: PDB / ID: 3vkl
TitleProtease-resistant mutant form of human Galectin-8 in complex with two lactose molecules
ComponentsGalectin-8
KeywordsSUGAR BINDING PROTEIN / BETA-SANDWICH / CARBOHYDRATE BINDING / OLIGOSACCHARIDE
Function / homology
Function and homology information


lymphatic endothelial cell migration / xenophagy / cellular response to virus / integrin binding / cytoplasmic vesicle / carbohydrate binding / extracellular space / 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
beta-lactose / Galectin-8
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.55 Å
AuthorsKamitori, S. / Yoshida, H.
CitationJournal: Febs J. / Year: 2012
Title: X-ray structure of a protease-resistant mutant form of human galectin-8 with two carbohydrate recognition domains
Authors: Yoshida, H. / Yamashita, S. / Teraoka, M. / Itoh, A. / Nakakita, S. / Nishi, N. / Kamitori, S.
History
DepositionNov 18, 2011Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 12, 2012Provider: repository / Type: Initial release
Revision 1.1Jul 3, 2013Group: Database references
Revision 1.2Aug 16, 2017Group: Refinement description / Source and taxonomy / Category: entity_src_gen / software
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / 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 / 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.occupancy / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _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.ptnr2_auth_asym_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_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 8, 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 650HELIX Determination method: Author determined
Remark 700SHEET Determination method: Author determined

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Galectin-8
B: Galectin-8
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,83126
Polymers66,2202
Non-polymers2,61124
Water3,729207
1
A: Galectin-8
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,54015
Polymers33,1101
Non-polymers1,42914
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Galectin-8
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,29111
Polymers33,1101
Non-polymers1,18110
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)69.560, 72.872, 129.689
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
DetailsAUTHOR STATES THAT THE BIOLOGICAL ASSEMBLY IS MONOMER OR PSEUDO-DIMER OR UNKNOWN.

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Components

#1: Protein Galectin-8 / / Gal-8 / Po66 carbohydrate-binding protein / Po66-CBP / Prostate carcinoma tumor antigen 1 / PCTA-1


Mass: 33110.141 Da / Num. of mol.: 2
Fragment: N-terminal carbohydrate recognition domain, C-terminal carbohydrate recognition domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LGALS8 / Production host: Escherichia coli (E. coli) / References: UniProt: O00214
#2: Polysaccharide
beta-D-galactopyranose-(1-4)-beta-D-glucopyranose / beta-lactose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: beta-lactose
DescriptorTypeProgram
DGalpb1-4DGlcpb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5][a2112h-1b_1-5]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[][b-D-Glcp]{[(4+1)][b-D-Galp]{}}LINUCSPDB-CARE
#3: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 20 / Source method: obtained synthetically / Formula: C2H6O2
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 207 / 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: 2.48 Å3/Da / Density % sol: 50.43 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 9
Details: 2-3%(v/v) 1,4-dioxane, 9-10%(w/v) PEG20000, 0.1M bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NW12A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 210r / Detector: CCD / Date: Jun 13, 2009
RadiationMonochromator: double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.55→50 Å / Num. obs: 22008 / % possible obs: 98.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.9 % / Biso Wilson estimate: 23.4 Å2 / Rmerge(I) obs: 0.063 / Net I/σ(I): 19.7
Reflection shellResolution: 2.55→2.59 Å / Redundancy: 5.4 % / Rmerge(I) obs: 0.396 / Mean I/σ(I) obs: 5.6 / Num. unique all: 1093 / % possible all: 99.2

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
MOLREPphasing
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2YV8

2yv8


Resolution: 2.55→39.75 Å / Rfactor Rfree error: 0.006 / Occupancy max: 1 / Occupancy min: 0.8 / Data cutoff high absF: 121679168 / 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
Rfree0.264 1989 10 %RANDOM
Rwork0.208 ---
obs-19983 90.1 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 29.8865 Å2 / ksol: 0.3016 e/Å3
Displacement parametersBiso max: 77.8 Å2 / Biso mean: 40.8378 Å2 / Biso min: 15.33 Å2
Baniso -1Baniso -2Baniso -3
1-12.22 Å20 Å20 Å2
2--7.57 Å20 Å2
3----19.79 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.41 Å0.31 Å
Luzzati d res low-5 Å
Luzzati sigma a0.36 Å0.31 Å
Refinement stepCycle: LAST / Resolution: 2.55→39.75 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4632 0 172 207 5011
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.5
X-RAY DIFFRACTIONc_dihedral_angle_d26.4
X-RAY DIFFRACTIONc_improper_angle_d0.93
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 2.55→2.71 Å / Rfactor Rfree error: 0.02 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.336 281 9.5 %
Rwork0.275 2667 -
all-2948 -
obs--80.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2carbohydrate.paramcarbohydrate.top
X-RAY DIFFRACTION3ion.paramion.top
X-RAY DIFFRACTION4water_rep.paramwater.top

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