;Influenza A virus Hemagglutinin (A/Darwin/6/2021 H3N2) (C3 symmetry) determined using the SPT Labtech chameleon in the presence of 0.25x SurfACT ;

Method: ELECTRON MICROSCOPY D_max: 138.1 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	11mt
deposition_date	2026-03-05
title	;Influenza A virus Hemagglutinin (A/Darwin/6/2021 H3N2) (C3 symmetry) determined using the SPT Labtech chameleon in the presence of 0.25x SurfACT ;
keywords	Hemagglutinin, Influenza A virus, H3N2, Viral Entry, Trimer, Glycoprotein, Membrane Fusion, VIRAL PROTEIN; VIRAL PROTEIN
method	ELECTRON MICROSCOPY

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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	42.18 Å
rg_electron	41.67 Å
i0	435345000.00
molecular_weight	164310.0 kDa
excluded_volume	203010 Å³
envelope_volume	269700 Å³
shell_volume	55989 Å³
envelope_diameter	139.1 Å
shell_rg	44.92 Å
envelope_rg	41.31 Å
shape_rg	41.67 Å
total_rg	41.83 Å
total_atoms	11553
n_residues	1467
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	138.1 Å
rg_real	42.43 Å
rg_real_error	1.06 Å
i0_real	4.3530e+08
i0_real_error	7.8360e+06
rg_reciprocal	42.19 Å
i0_reciprocal	435200000.0000
total_estimate	0.8213
solution_quality	GOOD a GOOD solution
n_peaks	1
r_peak_primary	41.0 Å
skewness	0.495
kurtosis	-0.462
angular_range	— – 0.1850 Å⁻¹
current_alpha	0.0000
highest_alpha	44400000.0000
n_real_points	38
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.772; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.392

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (1)

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length_a	1.000 Å
length_b	1.000 Å
length_c	1.000 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	—

space_group	P 1
int_tables_number	1
crystal_system	—

resolution	2.160 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	2.16 Å
resolution_method	—
num_particles	90718

description	Hemagglutinin
formula_weight	63305.0 kDa
src_method	man
entity_count	3

;Influenza A virus Hemagglutinin (A/Darwin/6/2021 H3N2) (C3 symmetry) determined using the SPT Labtech chameleon in the presence of 0.25x SurfACT ;

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

EM 3D

5. Entities & Polymer Info (2)

Entity 1 polymer

Polymer

Source

Entity 2 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)

organism	Influenza A virus
ncbi_taxonomy_id	11320
host_organism	Homo sapiens

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	1967

fit	/app/data/saxs_computation/1m/11mt/11mt.fit
pddf	/app/data/pr_computation/1m/11mt/11mt.pr.out
profile	/app/data/saxs_computation/1m/11mt/11mt.dat

type	polypeptide(L)
strand_id	A,B,C
atom_count	13520