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- PDB-6n5e: Broadly protective antibodies directed to a subdominant influenza... -

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Basic information

Entry
Database: PDB / ID: 6n5e
TitleBroadly protective antibodies directed to a subdominant influenza hemagglutinin epitope
Components
  • FL-1066 heavy chain
  • FL-1066 light chain
  • Hemagglutinin
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / influenza / antibody / complex / hemagglutinin / immunogen design / glycan / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


viral budding from plasma membrane / clathrin-dependent endocytosis of virus by host cell / host cell surface receptor binding / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / membrane
Similarity search - Function
Hemagglutinin; Chain A, domain 2 / Hemagglutinin Chain A, Domain 2 / Hemagglutinin (Ha1 Chain); Chain: A; domain 1 / Haemagglutinin, alpha/beta domain, HA1 chain / Haemagglutinin, influenzavirus A / Haemagglutinin, HA1 chain, alpha/beta domain superfamily / Haemagglutinin / Haemagglutinin, influenzavirus A/B / Viral capsid/haemagglutinin protein / Ribbon ...Hemagglutinin; Chain A, domain 2 / Hemagglutinin Chain A, Domain 2 / Hemagglutinin (Ha1 Chain); Chain: A; domain 1 / Haemagglutinin, alpha/beta domain, HA1 chain / Haemagglutinin, influenzavirus A / Haemagglutinin, HA1 chain, alpha/beta domain superfamily / Haemagglutinin / Haemagglutinin, influenzavirus A/B / Viral capsid/haemagglutinin protein / Ribbon / Immunoglobulins / Alpha-Beta Complex / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Biological speciesInfluenza A virus
Mus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3 Å
AuthorsBajic, G. / Schmidt, A.G.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)P01 AI089618 United States
CitationJournal: Cell Host Microbe / Year: 2019
Title: Influenza Antigen Engineering Focuses Immune Responses to a Subdominant but Broadly Protective Viral Epitope.
Authors: Bajic, G. / Maron, M.J. / Adachi, Y. / Onodera, T. / McCarthy, K.R. / McGee, C.E. / Sempowski, G.D. / Takahashi, Y. / Kelsoe, G. / Kuraoka, M. / Schmidt, A.G.
History
DepositionNov 21, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 5, 2019Provider: repository / Type: Initial release
Revision 1.1Jun 26, 2019Group: Data collection / Database references / Category: citation / Item: _citation.journal_volume / _citation.page_first
Revision 1.2Nov 13, 2019Group: Source and taxonomy / Category: entity_src_gen
Item: _entity_src_gen.gene_src_common_name / _entity_src_gen.host_org_common_name ..._entity_src_gen.gene_src_common_name / _entity_src_gen.host_org_common_name / _entity_src_gen.pdbx_gene_src_gene / _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id / _entity_src_gen.pdbx_gene_src_scientific_name / _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name
Revision 1.3Dec 18, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
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_validate_close_contact / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.auth_asym_id / _atom_site.auth_seq_id ..._atom_site.auth_asym_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_asym_id_2 / _pdbx_validate_close_contact.auth_seq_id_1 / _pdbx_validate_close_contact.auth_seq_id_2 / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 11, 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
Revision 2.2Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Hemagglutinin
B: Hemagglutinin
C: Hemagglutinin
H: FL-1066 heavy chain
E: FL-1066 heavy chain
G: FL-1066 heavy chain
I: FL-1066 light chain
F: FL-1066 light chain
D: FL-1066 light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)241,30614
Polymers239,1849
Non-polymers2,1225
Water00
1
A: Hemagglutinin
E: FL-1066 heavy chain
D: FL-1066 light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,5775
Polymers79,7283
Non-polymers8492
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6180 Å2
ΔGint-23 kcal/mol
Surface area32720 Å2
MethodPISA
2
B: Hemagglutinin
G: FL-1066 heavy chain
F: FL-1066 light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,1534
Polymers79,7283
Non-polymers4241
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5310 Å2
ΔGint-19 kcal/mol
Surface area32290 Å2
MethodPISA
3
C: Hemagglutinin
H: FL-1066 heavy chain
I: FL-1066 light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,5775
Polymers79,7283
Non-polymers8492
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6210 Å2
ΔGint-23 kcal/mol
Surface area32190 Å2
MethodPISA
Unit cell
Length a, b, c (Å)153.560, 153.560, 91.810
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number144
Space group name H-MP31

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Components

#1: Protein Hemagglutinin


Mass: 31150.033 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Influenza A virus / Gene: HA / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P03437
#2: Antibody FL-1066 heavy chain


Mass: 25659.709 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Production host: Homo sapiens (human)
#3: Antibody FL-1066 light chain


Mass: 22918.406 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Production host: Homo sapiens (human)
#4: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
Has protein modificationY

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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: 2.79 Å3/Da / Density % sol: 55.86 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 0.2 M ammonium sulfate, 0.1 M MES, pH 6.5, 20% w/v PEG8000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.2.2 / Wavelength: 0.9787 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: May 23, 2018
RadiationMonochromator: double crystal Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9787 Å / Relative weight: 1
Reflection twinOperator: -k,-h,-l / Fraction: 0.49
ReflectionResolution: 3→44.329 Å / Num. obs: 48395 / % possible obs: 99.8 % / Redundancy: 6.436 % / Biso Wilson estimate: 55.673 Å2 / CC1/2: 0.984 / Rmerge(I) obs: 0.321 / Rrim(I) all: 0.35 / Χ2: 0.898 / Net I/σ(I): 7.28 / Num. measured all: 311466 / Scaling rejects: 30
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. unique obsCC1/2Rrim(I) all% possible all
3-3.36.4821.761.36120350.3151.91299.6
3.3-3.56.4470.8572.7458930.6710.93299.8
3.5-3.86.430.5853.8766800.8010.63699.8
3.8-46.430.3895.7933810.9210.42399.8
4-56.3840.2059.6799530.9810.22499.9
5-66.2940.16611.1744010.9860.18199.9
6-106.550.09317.2547700.9980.101100
10-206.5340.03836.1311370.9990.04199.6
20-306.0870.03239.911150.9990.035100
30-505.40.02343.443010.02588.2
44.329-500

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Processing

Software
NameVersionClassification
PHENIX1.14_3260refinement
XSCALEdata scaling
PDB_EXTRACT3.24data extraction
XDSdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entries 1HA0, 6N5B, & 4HKX

1ha0

6n5b

4hkx


Resolution: 3→44.329 Å / Cross valid method: THROUGHOUT / σ(F): 1.95 / Phase error: 29.15
RfactorNum. reflection% reflection
Rfree0.2872 2304 4.76 %
Rwork0.2495 --
obs0.257 48395 99.78 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 142.5 Å2 / Biso mean: 55.2792 Å2 / Biso min: 27.8 Å2
Refinement stepCycle: final / Resolution: 3→44.329 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16241 0 140 0 16381
Biso mean--65.62 --
Num. residues----2133
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 16

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
3.0034-3.06870.31261640.30852858302294
3.0687-3.140.34481140.30732893300796
3.14-3.21850.30561640.29952805296994
3.2185-3.30540.29871730.2942862303594
3.3054-3.40250.30971240.29112866299096
3.4025-3.51220.35471360.28722917305396
3.5122-3.63760.32641500.27892828297895
3.6376-3.7830.29611380.25962857299595
3.783-3.95480.26821350.25762912304795
3.9548-4.16290.30471530.24192875302895
4.1629-4.4230.2471400.22542851299195
4.423-4.76350.24281620.21792821298395
4.7635-5.24080.2741140.21842920303496
5.2408-5.99450.26261220.23142897301996
5.9945-7.53490.31331410.25582861300295
7.5349-31.26190.31751730.26042855302894

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