SAXSdb — 9c0x

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Hemagglutinin HA2 subunit

Influenza A virus

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 4 其他Polymer 1 PDB declaration: tetrameric（4） Consistent with protein copy count	Chain B； UniProt 354–518	Not recorded	Antibody 31.b.09 Fab light chain × 1 Antibody 31.b.09 Fab heavy chain × 1 Hemagglutinin HA1 subunit × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M sodium phosphate dibasic, 20% w/v PEG3350	Resolution 4.35 Å R-free 0.382

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9C0X	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
9DRU Crystal structure of 04709_4F04 Fab in complex with H1 HA from A/California/04/2009(H1N1) Deposited 2024-09-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric	Chain B 345–518（174 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M sodium acetate, pH 6.4, 18% PEG3350	Resolution 2.75 Å R-free 0.265
9DS1 Crystal structure of 241_2F04 Fab in complex with H1 HA from A/California/04/2009(H1N1) Deposited 2024-09-26	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: tetrameric	Chain B 345–518（174 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M sodium acetate, pH 6.4, 16% PEG3350	Resolution 2.40 Å R-free 0.263
9DS2 Crystal structure of 346-54 Fab in complex with H1 HA from A/California/04/2009(H1N1) Deposited 2024-09-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 345–518（174 aa） Chain D 345–518（174 aa） Chain F 345–518（174 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M sodium acetate, pH 6.2, 20% PEG3350	Resolution 3.29 Å R-free 0.279

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	A0A6J3XB93_9INFA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 1–165； UniProt 354–518

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9c0x
Deposition date deposition_date	2024-05-28
Structure title title	Crystal structure of chimeric hemagglutinin cH11/1 in complex with broad protective antibody 31.b.09
Keywords keywords	immune system, VIRAL PROTEIN-IMMUNE SYSTEM complex; VIRAL PROTEIN/IMMUNE SYSTEM
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	36.58 Å
Radius of gyration Rg (electron density) rg_electron	36.74 Å
Forward intensity I(0) i0	106148000.00
Molecular weight molecular_weight	80928.0 kDa
Excluded volume excluded_volume	100540 Å³
Envelope volume envelope_volume	133950 Å³
Hydration-shell volume shell_volume	33596 Å³
Envelope diameter envelope_diameter	136.9 Å
Shell Rg shell_rg	38.42 Å
Envelope Rg envelope_rg	36.27 Å
Shape Rg shape_rg	36.74 Å
Total Rg total_rg	36.84 Å
Total atoms total_atoms	5699
Residues n_residues	714
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	129.9 Å
Rg (real space) rg_real	37.06 Å
Rg uncertainty (real space) rg_real_error	1.37 Å
I(0) (real space) i0_real	1.0610e+08
I(0) uncertainty (real space) i0_real_error	2.0220e+06
Rg (reciprocal space) rg_reciprocal	36.76 Å
I(0) (reciprocal space) i0_reciprocal	106100000.0000
Solution quality estimate total_estimate	0.7888
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	30.2 Å
Skewness Skewness skewness	0.582
Kurtosis Kurtosis kurtosis	-0.299
Angular range angular_range	— – 0.2150 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	11420000.0000
Real-space data points n_real_points	44
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.660; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.466; Smooth: 0.804

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	Hemagglutinin HA2 subunit
Molecular weight formula_weight	19158.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B
Atom count atom_count	5699

IEGGWTGMVDGWYGYHHQNEQGSGYAADLKSTQNAIDGITNKVNSVIEKMNTQFTAVGKEFNHLEKRIENLNKKVDDGFLDIWTYNAELLVLLENERTLDYHDSNVKNLYEKVRSQLKNNAKEIGNGCFEFYHKCDNTCMESVKNGTYDYPKYSEEAKLNREEIDS

来源 Source

来源生物 organism	Influenza A virus
NCBI Class编号 ncbi_taxonomy_id	11320
宿主生物 host_organism	Trichoplusia ni

Entity 2 Entity 2 polymer

Description description	Antibody 31.b.09 Fab light chain
Molecular weight formula_weight	12642.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

DVVMTQSPVSLPVTLGQPASISCRSSQGLVYIDGNTYLNWFQQRPGQSPRRLIYNVFTRDSGVPDRFSGSGSGTDFTLKITTVEAEDVGVYYCMQGTHWPYTFGQGTKLEIKRA

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Cricetulus griseus

Entity 3 Entity 3 polymer

Description description	Antibody 31.b.09 Fab heavy chain
Molecular weight formula_weight	13335.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

QVQLVQSGAEVKKPGASVKVSCKASGYSFSSYGISWVRQAPGQGLEWMGWISAYNGNTNYAQKLQGRVTMTTDTSTSTAYMELRSLRSDDTAVFYCARDRPHILTGFDFDYWGQGTLVTVS

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Cricetulus griseus

Entity 4 Entity 4 polymer

Description description	Hemagglutinin HA1 subunit
Molecular weight formula_weight	35506.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

GDTLCIGYHANNSTDTVDTLLEKNVTVTHSVNLLEDKHNGKXXINGKQPISLGDCSFAGWILGNPMCDDLIGKTSWSYIVEKPNPTNGICYPGTLEDEEELRLKFSGVLEFSKFEAFTSNGWGAVNSGAGVTAACKFGSSNSFFRNMVWLIHQSGTYPVIKRTFNNTKGRDVLIVWGIHHPATLKEHQDLYKKDSSYVAVGSETYNRRFTPEISTRPNVNGQAGRMTFYWTMVKPGESITFESNGAFLAPRYAFEIVSVGNGKLFRSELSIESCNTTCQTPKGAINTSLPFQNIHPITIGKCPKYVKSTKLRLATGLRNVPS

来源 Source

来源生物 organism	Influenza A virus
NCBI Class编号 ncbi_taxonomy_id	11320
宿主生物 host_organism	Trichoplusia ni

Entity 5 Entity 5 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	1

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8. Citations (1)

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Unit-cell length a length_a	169.045 Å
Unit-cell length b length_b	169.045 Å
Unit-cell length c length_c	169.045 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 21 3
Space-group number int_tables_number	198
Crystal system crystal_system	—

Resolution resolution	4.350 Å
Low-resolution limit resolution_low	48.800 Å
R factor r_factor	0.3373
R_work r_work	0.3352
R_free r_free	0.3820

fit	/app/data/saxs_computation/c0/9c0x/9c0x.fit
pddf	/app/data/pr_computation/c0/9c0x/9c0x.pr.out
profile	/app/data/saxs_computation/c0/9c0x/9c0x.dat

Crystal structure of chimeric hemagglutinin cH11/1 in complex with broad protective antibody 31.b.09

1. Protein Identity and Related Structures Protein Identity & Related Structures

Hemagglutinin HA2 subunit

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

Entity 4 Entity 4 polymer

Polymer Polymer

来源 Source

Entity 5 Entity 5 branched

Entity 6 Entity 6 non-polymer

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)