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9xsx

the complex structure of antibody CF22 bound to the hemagglutinin of influenza B virus (HA_B/Guangdong-Yuexiu/120/2022).

Method: X-RAY DIFFRACTION D_max: 119.7 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9xsx
deposition_date	2025-11-21
last_revision	2026-02-18
title	the complex structure of antibody CF22 bound to the hemagglutinin of influenza B virus (HA_B/Guangdong-Yuexiu/120/2022).
keywords	hemagglutinin, influenza B virus, neutralizing antibody, viral protein-immune system complex, VIRAL PROTEIN; VIRAL PROTEIN
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	33.23 Å
rg_electron	33.67 Å
i0	82234300.00
molecular_weight	71272.0 kDa
excluded_volume	88809 Å³
envelope_volume	114600 Å³
shell_volume	31477 Å³
envelope_diameter	123.9 Å
shell_rg	36.46 Å
envelope_rg	33.80 Å
shape_rg	33.62 Å
total_rg	34.08 Å
total_atoms	5017
n_residues	666
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	119.7 Å
rg_real	33.80 Å
rg_real_error	1.18 Å
i0_real	8.2230e+07
i0_real_error	1.2840e+06
rg_reciprocal	33.56 Å
i0_reciprocal	82220000.0000
total_estimate	0.7803
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	29.9 Å
skewness	0.641
kurtosis	-0.209
angular_range	— – 0.2400 Å⁻¹
current_alpha	0.0000
highest_alpha	15440000.0000
n_real_points	49
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.594; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.501; Smooth: 0.856

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	hemagglutinin
formula_weight	26382.0 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	5051

DPTRGKLCPKCLNCTDLDVALGRPKCTGKIPSAKVSILHEVRPVTSGCFPIMHDRTKIRQLPNLLRGYEHVRLSTNNVINAEDAPGGPYEIGTSGSCPNITNGKGFFATMAWAVPKNKTATNPLTIEVPYICTEEEDQITVWGFHSDDETQMAKLYGDSKPQKFTSSANGMTTHYVSQIGGFPNQTEDGGLQQSGRIVVDYMVQKSGKTGTITYQRGILLPQKVWCASGKSKVIHHHHHH

Source

organism	Influenza B virus
ncbi_taxonomy_id	11520
host_organism	Spodoptera frugiperda

Entity 2 polymer

description	the heavy chain of antibody CF22
formula_weight	26909.3 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	B

MGWSCIILFLVATATGVHSQVQLQESGPGLVKPSQTLSLTCSVSGGSITSTSFFWAWIRQHPGRGLEWIGHIYHRGRTDYNPSLKSRVSIPLDTSKTQFSLRLTAVTAADTAFYYCARANFEGGYDWGPYFDSWGLGKLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTH

Source

organism	Homo sapiens
ncbi_taxonomy_id	9606
host_organism	Homo sapiens

Entity 3 polymer

description	the light chain of antibody CAV-CF22
formula_weight	24671.4 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	C

MGWSCIILFLVATATGSVTSYELTQPPSMSVSPGQTATIACSGDNLGEKFTSWYQHRQGQSPVLVIYQDSRRPSGIPERFSGASSGNTATLTISETQAADEAAYYCQAWDSNTVLFGGGTLLTVLRQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS

Source

organism	Homo sapiens
ncbi_taxonomy_id	9606
host_organism	Homo sapiens

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	34

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6. Citations (1)

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length_a	103.540 Å
length_b	103.540 Å
length_c	164.024 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	P 43 21 2
int_tables_number	96
crystal_system	—

resolution	2.980 Å
resolution_low	30.420 Å
r_factor	0.2116
r_work	0.2099
r_free	0.2427

fit	/app/data/saxs_computation/xs/9xsx/9xsx.fit
pddf	/app/data/pr_computation/xs/9xsx/9xsx.pr.out
profile	/app/data/saxs_computation/xs/9xsx/9xsx.dat

the complex structure of antibody CF22 bound to the hemagglutinin of influenza B virus (HA_B/Guangdong-Yuexiu/120/2022).

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction

5. Entities & Polymer Info (4)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

Entity 3 polymer

Polymer

Source

Entity 4 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)