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- PDB-6efd: Hsa Siglec and Unique domains in complex with the sialyl T antige... -

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Basic information

Entry
Database: PDB / ID: 6efd
TitleHsa Siglec and Unique domains in complex with the sialyl T antigen trisaccharide
ComponentsStreptococcal hemagglutinin
KeywordsSUGAR BINDING PROTEIN / lectin
Function / homology
Function and homology information


surface biofilm formation / biofilm matrix assembly / cell adhesion / extracellular region
Similarity search - Function
: / Ubiquitin-like (UB roll) - #890 / SrpA-like, SigLec-like domain / GspA/SrpA SigLec-like domain / Atypical Rib domain / Atypical Rib domain / Serine-rich repeat adhesion glycoprotein / KxYKxGKxW signal peptide / KxYKxGKxW signal peptide / LPXTG cell wall anchor motif ...: / Ubiquitin-like (UB roll) - #890 / SrpA-like, SigLec-like domain / GspA/SrpA SigLec-like domain / Atypical Rib domain / Atypical Rib domain / Serine-rich repeat adhesion glycoprotein / KxYKxGKxW signal peptide / KxYKxGKxW signal peptide / LPXTG cell wall anchor motif / Gram-positive cocci surface proteins LPxTG motif profile. / LPXTG cell wall anchor domain / Ubiquitin-like (UB roll) / Roll / Alpha Beta
Similarity search - Domain/homology
Streptococcal hemagglutinin / Streptococcal hemagglutinin
Similarity search - Component
Biological speciesStreptococcus gordonii str. Challis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.85 Å
AuthorsIverson, T.M.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI106987 United States
CitationJournal: Nat Commun / Year: 2022
Title: Origins of glycan selectivity in streptococcal Siglec-like adhesins suggest mechanisms of receptor adaptation.
Authors: Bensing, B.A. / Stubbs, H.E. / Agarwal, R. / Yamakawa, I. / Luong, K. / Solakyildirim, K. / Yu, H. / Hadadianpour, A. / Castro, M.A. / Fialkowski, K.P. / Morrison, K.M. / Wawrzak, Z. / Chen, ...Authors: Bensing, B.A. / Stubbs, H.E. / Agarwal, R. / Yamakawa, I. / Luong, K. / Solakyildirim, K. / Yu, H. / Hadadianpour, A. / Castro, M.A. / Fialkowski, K.P. / Morrison, K.M. / Wawrzak, Z. / Chen, X. / Lebrilla, C.B. / Baudry, J. / Smith, J.C. / Sullam, P.M. / Iverson, T.M.
History
DepositionAug 16, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 19, 2020Provider: repository / Type: Initial release
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / 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 / pdbx_validate_close_contact / 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.type_symbol / _chem_comp.name / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_asym_id_2 / _pdbx_validate_close_contact.auth_atom_id_1 / _pdbx_validate_close_contact.auth_atom_id_2 / _pdbx_validate_close_contact.auth_comp_id_1 / _pdbx_validate_close_contact.auth_comp_id_2 / _pdbx_validate_close_contact.auth_seq_id_1 / _pdbx_validate_close_contact.auth_seq_id_2 / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_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.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_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Jun 1, 2022Group: Database references / Derived calculations / Structure summary
Category: chem_comp / citation ...chem_comp / citation / citation_author / database_2 / struct_conn
Item: _chem_comp.pdbx_synonyms / _citation.country ..._chem_comp.pdbx_synonyms / _citation.country / _citation.journal_abbrev / _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 / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag
Revision 2.2May 22, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Streptococcal hemagglutinin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)26,5584
Polymers25,8371
Non-polymers7213
Water3,855214
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)46.645, 58.140, 75.959
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 Streptococcal hemagglutinin


Mass: 25837.381 Da / Num. of mol.: 1 / Fragment: residues 220-453
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus gordonii str. Challis (bacteria)
Gene: hsa / Production host: Escherichia coli (E. coli) / References: UniProt: Q9KWR3, UniProt: A8AWU7*PLUS
#2: Polysaccharide N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-alpha-D-galactopyranose


Type: oligosaccharide / Mass: 674.604 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DNeup5Aca2-3DGalpb1-3DGalpNAca1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/3,3,2/[a2112h-1a_1-5_2*NCC/3=O][a2112h-1b_1-5][Aad21122h-2a_2-6_5*NCC/3=O]/1-2-3/a3-b1_b3-c2WURCSPDB2Glycan 1.1.0
[][a-D-GalpNAc]{[(3+1)][b-D-Galp]{[(3+2)][a-D-Neup5Ac]{}}}LINUCSPDB-CARE
#3: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: Na
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 214 / 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: 1.99 Å3/Da / Density % sol: 38.29 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / Details: 0.1 M SPG pH 10, 25% PEG 3350

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 0.979 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Dec 18, 2015
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 1.85→50 Å / Num. obs: 30549 / % possible obs: 98.8 % / Redundancy: 9.5 % / Net I/σ(I): 31.7
Reflection shellResolution: 1.85→1.89 Å

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Processing

SoftwareName: PHENIX / Version: (1.14_3211) / Classification: refinement
RefinementResolution: 1.85→46.168 Å / SU ML: 0.11 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 25.94
RfactorNum. reflection% reflection
Rfree0.2176 892 5.01 %
Rwork0.1957 --
obs0.1968 17814 96.54 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Refinement stepCycle: LAST / Resolution: 1.85→46.168 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1597 0 48 214 1859
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0151701
X-RAY DIFFRACTIONf_angle_d1.3922330
X-RAY DIFFRACTIONf_dihedral_angle_d14.216627
X-RAY DIFFRACTIONf_chiral_restr0.092273
X-RAY DIFFRACTIONf_plane_restr0.01308
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.8428-1.95830.30091200.24282311X-RAY DIFFRACTION80
1.9583-2.10950.23371490.22072845X-RAY DIFFRACTION99
2.1095-2.32170.23761530.19942890X-RAY DIFFRACTION100
2.3217-2.65770.24151530.21112896X-RAY DIFFRACTION100
2.6577-3.34830.22441540.20812926X-RAY DIFFRACTION100
3.3483-46.18270.19091630.1733054X-RAY DIFFRACTION99

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