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- PDB-5a70: Structure of the LecB lectin from Pseudomonas aeruginosa strain P... -

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Basic information

Entry
Database: PDB / ID: 5a70
TitleStructure of the LecB lectin from Pseudomonas aeruginosa strain PA14 in complex with lewis x tetrasaccharide
ComponentsLECB
KeywordsSUGAR BINDING PROTEIN / LECTIN / LECB LEWIS X ANTIGEN
Function / homology
Function and homology information


carbohydrate binding / metal ion binding
Similarity search - Function
Calcium-mediated lectin / Calcium-mediated lectin / Calcium-mediated lectin superfamily / Fucose-binding lectin II (PA-IIL) / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Fucose-binding lectin PA-IIL / Fucose-binding lectin PA-IIL
Similarity search - Component
Biological speciesPSEUDOMONAS AERUGINOSA (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.6 Å
AuthorsSommer, R. / Wagner, S. / Varrot, A. / Khaledi, A. / Haussler, S. / Imberty, A. / Titz, A.
CitationJournal: Eur.J.Med.Chem. / Year: 2019
Title: Induction of rare conformation of oligosaccharide by binding to calcium-dependent bacterial lectin: X-ray crystallography and modelling study.
Authors: Lepsik, M. / Sommer, R. / Kuhaudomlarp, S. / Lelimousin, M. / Paci, E. / Varrot, A. / Titz, A. / Imberty, A.
History
DepositionJul 2, 2015Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 27, 2016Provider: repository / Type: Initial release
Revision 1.1Aug 7, 2019Group: Data collection / Database references / Derived calculations
Category: citation / citation_author / struct_conn
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _struct_conn.pdbx_leaving_atom_flag
Revision 1.2Jan 22, 2020Group: Data collection / Other / Structure summary / Category: audit_author / chem_comp / pdbx_database_status
Item: _audit_author.name / _chem_comp.type / _pdbx_database_status.status_code_sf
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / 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_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_conn_type / 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.pdbx_formal_charge / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _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_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_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.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _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.ptnr1_label_seq_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_conn.ptnr2_label_seq_id / _struct_conn_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Jan 10, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag
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: LECB
B: LECB
C: LECB
D: LECB
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,98618
Polymers46,7074
Non-polymers3,27914
Water10,917606
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area13410 Å2
ΔGint-113.2 kcal/mol
Surface area15600 Å2
MethodPISA
Unit cell
Length a, b, c (Å)52.898, 63.228, 63.889
Angle α, β, γ (deg.)90.00, 91.20, 90.00
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(0.994, -0.089, 0.057), (-0.089, -0.996), (0.057, -0.005, -0.998)3.14406, 89.99814, 31.31564
2given(-1, -0.001), (-0.211, 0.977), (-0.001, 0.977, 0.211)37.44777, 37.65575, -30.78984
3given(-0.994, 0.078, -0.072), (0.088, 0.22, -0.972), (-0.059, -0.972, -0.225)34.94823, 48.59409, 63.8425

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Components

#1: Protein
LECB


Mass: 11676.710 Da / Num. of mol.: 4 / Fragment: UNP RESIDUES 2-115
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) PSEUDOMONAS AERUGINOSA (bacteria) / Strain: UCBPP-PA14 / Plasmid: PRS01.4 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: U8MRX2, UniProt: A0A0H2ZE85*PLUS
#2: Polysaccharide
alpha-L-fucopyranose-(1-3)-[beta-D-galactopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose- ...alpha-L-fucopyranose-(1-3)-[beta-D-galactopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-beta-D-galactopyranose


Type: oligosaccharide / Mass: 691.630 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
LFucpa1-3[DGalpb1-4]DGlcpNAcb1-3DGalpb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,4,3/[a2112h-1b_1-5][a2122h-1b_1-5_2*NCC/3=O][a1221m-1a_1-5]/1-2-3-1/a3-b1_b3-c1_b4-d1WURCSPDB2Glycan 1.1.0
[][b-D-Galp]{[(3+1)][b-D-GlcpNAc]{[(3+1)][a-L-Fucp]{}[(4+1)][b-D-Galp]{}}}LINUCSPDB-CARE
#3: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 606 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsNTERMINAL METHIONINE CLEAVED OFF IN THE MATURE PROTEIN SO THE NUMBERING IS SHIFTED BY ONE

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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: 2.29 Å3/Da / Density % sol: 46.43 % / Description: NONE
Crystal growpH: 8.5 / Details: 30% PEG 8K 0.2M AMSO4 0.1M TRIS PH 8.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM30A / Wavelength: 0.98021
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Apr 10, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98021 Å / Relative weight: 1
ReflectionResolution: 1.6→44.94 Å / Num. obs: 53856 / % possible obs: 96.8 % / Observed criterion σ(I): 2 / Redundancy: 3 % / Rmerge(I) obs: 0.04 / Net I/σ(I): 17.5
Reflection shellResolution: 1.6→1.63 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.33 / Mean I/σ(I) obs: 2.5 / % possible all: 74.7

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Processing

Software
NameVersionClassification
REFMAC5.8.0124refinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 5A6Q

5a6q


Resolution: 1.6→44.94 Å / Cor.coef. Fo:Fc: 0.971 / Cor.coef. Fo:Fc free: 0.951 / SU B: 1.573 / SU ML: 0.053 / Cross valid method: THROUGHOUT / ESU R: 0.078 / ESU R Free: 0.081 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.17136 2857 5.3 %RANDOM
Rwork0.13582 ---
obs0.13767 50981 96.73 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 14.432 Å2
Baniso -1Baniso -2Baniso -3
1--1.15 Å20 Å20.09 Å2
2--0.9 Å20 Å2
3---0.25 Å2
Refinement stepCycle: LAST / Resolution: 1.6→44.94 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3283 0 206 606 4095
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0170.023622
X-RAY DIFFRACTIONr_bond_other_d0.0120.023341
X-RAY DIFFRACTIONr_angle_refined_deg1.7011.9835003
X-RAY DIFFRACTIONr_angle_other_deg1.65937675
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.7625478
X-RAY DIFFRACTIONr_dihedral_angle_2_deg47.88227.867150
X-RAY DIFFRACTIONr_dihedral_angle_3_deg10.27415493
X-RAY DIFFRACTIONr_dihedral_angle_4_deg2.024152
X-RAY DIFFRACTIONr_chiral_restr0.1010.2671
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.024217
X-RAY DIFFRACTIONr_gen_planes_other0.0080.02793
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_it1.0381.2491870
X-RAY DIFFRACTIONr_mcbond_other1.0381.2491869
X-RAY DIFFRACTIONr_mcangle_it1.4771.8672347
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.6691.4461752
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: 1.6→1.642 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.261 145 -
Rwork0.223 2983 -
obs--76.07 %

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