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- PDB-4aha: Crystal Structure of Fucose binding lectin from Aspergillus Fumig... -

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Entry
Database: PDB / ID: 4aha
TitleCrystal Structure of Fucose binding lectin from Aspergillus Fumigatus (AFL) in complex with fucosylated monosaccharides (Fuc1-2Gal, Fuc1- 3GlcNAc, Fuc1-4GlcNAc and Fuc1-6GlcNAc)
ComponentsFucose-specific lectin
KeywordsSUGAR BINDING PROTEIN
Function / homology
Function and homology information


adhesion of symbiont to host cell surface via host glycoprotein / carbohydrate binding / metal ion binding
Similarity search - Function
Fucose-specific lectin / Fucose-specific lectin / Fungal fucose-specific lectin / 6 Propeller / Neuraminidase / Mainly Beta
Similarity search - Domain/homology
alpha-L-fucopyranose / Fucose-specific lectin
Similarity search - Component
Biological speciesASPERGILLUS FUMIGATUS (mold)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsHouser, J. / Komarek, J. / Kostlanova, N. / Lahmann, M. / Cioci, G. / Varrot, A. / Imberty, A. / Wimmerova, M.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2015
Title: Structural Insights Into Aspergillus Fumigatus Lectin Specificity: Afl Binding Sites are Functionally Non-Equivalent
Authors: Houser, J. / Komarek, J. / Cioci, G. / Varrot, A. / Imberty, A. / Wimmerova, M.
History
DepositionFeb 6, 2012Deposition site: PDBE / Processing site: PDBE
Revision 1.0Feb 20, 2013Provider: repository / Type: Initial release
Revision 1.1Mar 11, 2015Group: Database references
Revision 1.2Mar 25, 2015Group: Database references
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Other / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_database_status / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_validate_chiral / struct_asym / struct_conn / 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.occupancy / _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.pdbx_number_of_molecules / _entity.type / _pdbx_database_status.status_code_sf / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_id / _struct_conn.pdbx_ptnr2_label_alt_id / _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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 3.0May 4, 2022Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Source and taxonomy / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_2 / entity / entity_name_com / entity_src_gen / pdbx_branch_scheme / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_validate_close_contact / struct_asym / struct_ref
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_seq_id / _atom_site.label_asym_id / _atom_site.label_entity_id / _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity_name_com.name / _entity_src_gen.pdbx_beg_seq_num / _entity_src_gen.pdbx_end_seq_num / _entity_src_gen.pdbx_gene_src_gene / _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_host_org_strain / _entity_src_gen.pdbx_seq_type / _pdbx_branch_scheme.entity_id / _pdbx_entity_nonpoly.entity_id / _pdbx_nonpoly_scheme.asym_id / _pdbx_nonpoly_scheme.auth_seq_num / _pdbx_nonpoly_scheme.entity_id / _pdbx_nonpoly_scheme.ndb_seq_num / _pdbx_nonpoly_scheme.pdb_seq_num / _pdbx_nonpoly_scheme.pdb_strand_id / _pdbx_validate_close_contact.auth_seq_id_2 / _struct_asym.entity_id / _struct_ref.db_code / _struct_ref.pdbx_align_begin / _struct_ref.pdbx_seq_one_letter_code
Revision 3.1Dec 20, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Fucose-specific lectin
B: Fucose-specific lectin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)72,00814
Polymers69,2252
Non-polymers2,78312
Water7,981443
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5090 Å2
ΔGint18 kcal/mol
Surface area24500 Å2
MethodPISA
Unit cell
Length a, b, c (Å)45.730, 88.380, 78.580
Angle α, β, γ (deg.)90.00, 99.63, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Fucose-specific lectin / Aspergillus fumigatus lectin / AFL


Mass: 34612.465 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ASPERGILLUS FUMIGATUS (mold) / Gene: fleA, AFUA_5G14740 / Production host: Escherichia coli BL21 (bacteria) / References: UniProt: Q4WW81
#2: Polysaccharide
alpha-L-fucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 367.349 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
LFucpa1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5_2*NCC/3=O][a1221m-1a_1-5]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[][b-D-GlcpNAc]{[(4+1)][a-L-Fucp]{}}LINUCSPDB-CARE
#3: Sugar
ChemComp-FUC / alpha-L-fucopyranose / alpha-L-fucose / 6-deoxy-alpha-L-galactopyranose / L-fucose / fucose


Type: L-saccharide, alpha linking / Mass: 164.156 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Formula: C6H12O5
IdentifierTypeProgram
LFucpaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
a-L-fucopyranoseCOMMON NAMEGMML 1.0
a-L-FucpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
FucSNFG CARBOHYDRATE SYMBOLGMML 1.0
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 443 / 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: 2.17 Å3/Da / Density % sol: 43.5 % / Description: NONE
Crystal growDetails: 200 MM CACL2, 25% PEG 4K AND 100 MM TRIS, PH 8.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 0.8726
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Details: MIRRORS
RadiationMonochromator: SI111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.8726 Å / Relative weight: 1
ReflectionResolution: 2.2→36.41 Å / Num. obs: 27431 / % possible obs: 87.6 % / Observed criterion σ(I): 2 / Redundancy: 2.1 % / Biso Wilson estimate: 18.5 Å2 / Rmerge(I) obs: 0.12 / Net I/σ(I): 7.1
Reflection shellResolution: 2.2→2.32 Å / Redundancy: 2.1 % / Rmerge(I) obs: 0.38 / Mean I/σ(I) obs: 2.7 / % possible all: 71.8

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Processing

Software
NameVersionClassification
REFMAC5.6.0117refinement
XDSdata reduction
SCALAdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 4AGI

4agi


Resolution: 2.2→77.47 Å / Cor.coef. Fo:Fc: 0.946 / Cor.coef. Fo:Fc free: 0.91 / SU B: 4.921 / SU ML: 0.125 / Cross valid method: THROUGHOUT / ESU R: 0.456 / ESU R Free: 0.228 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY.
RfactorNum. reflection% reflectionSelection details
Rfree0.21169 1373 5 %RANDOM
Rwork0.16466 ---
obs0.16699 26054 87.44 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 12.996 Å2
Baniso -1Baniso -2Baniso -3
1--0.04 Å20 Å2-0.51 Å2
2--1.53 Å20 Å2
3----1.66 Å2
Refinement stepCycle: LAST / Resolution: 2.2→77.47 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4879 0 203 443 5525
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.025233
X-RAY DIFFRACTIONr_bond_other_d0.0010.023412
X-RAY DIFFRACTIONr_angle_refined_deg1.5351.967156
X-RAY DIFFRACTIONr_angle_other_deg0.938237
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.6055632
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.91523.729236
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.41515732
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.321527
X-RAY DIFFRACTIONr_chiral_restr0.0860.2797
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0215804
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021133
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_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: 2.2→2.257 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.271 67 -
Rwork0.212 1286 -
obs--59.58 %

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