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9z76

;Cryo-EM structure of Enterotoxigenic Escherichia coli autotransporter A (EatA) complexed with the fragment antigen binding domain of monoclonal antibody 25 ;

Method: ELECTRON MICROSCOPY D_max: 104.1 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9z76
deposition_date	2025-11-16
title	;Cryo-EM structure of Enterotoxigenic Escherichia coli autotransporter A (EatA) complexed with the fragment antigen binding domain of monoclonal antibody 25 ;
keywords	PROTEASE, BETA-HELIX, SECRETED, MONOCLONAL ANTIBODY, HYDROLASE, HYDROLASE-IMMUNE SYSTEM complex; HYDROLASE/IMMUNE SYSTEM
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	30.95 Å
rg_electron	30.52 Å
i0	106456000.00
molecular_weight	79769.0 kDa
excluded_volume	98734 Å³
envelope_volume	128790 Å³
shell_volume	35576 Å³
envelope_diameter	112.6 Å
shell_rg	37.04 Å
envelope_rg	30.58 Å
shape_rg	30.52 Å
total_rg	31.08 Å
total_atoms	5657
n_residues	840
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	104.1 Å
rg_real	31.00 Å
rg_real_error	1.21 Å
i0_real	1.0650e+08
i0_real_error	2.0080e+06
rg_reciprocal	30.98 Å
i0_reciprocal	106500000.0000
total_estimate	0.6695
solution_quality	REASONABLE a REASONABLE solution
n_peaks	2
r_peak_primary	34.7 Å
skewness	0.394
kurtosis	-0.259
angular_range	— – 0.2550 Å⁻¹
current_alpha	0.0000
highest_alpha	45050000.0000
n_real_points	52
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.856; Stabil: 1.000; Sysdev: 0.115; Positv: 1.000; Valcen: 0.937; Smooth: 0.851

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4. Crystallography & Experiment

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5. Entities & Polymer Info (3)

Entity 1 polymer

description	Serine protease EatA
formula_weight	111014.4 kDa
ec_number	3.4.21.-
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	5657

ATVNADISYQTFRDFAENKGAFIVGASNINIYDKNGVLVGVLDKAPMPDFSSATMNTGTLPPGDHTLYSPQYVVTAKHVNGSDIMSFGHIQNNYTVVGENNHNSLDIKIRRLNKIVTEVAPAEISSVGAVNGAYQEGGRFKAFYRLGGGLQYIKDKNGNLTPVYTNGGFLTGGTISALSSYNNGQMITAPTGDIFNPANGPLANYLNKGDSGSPLFAYDSLDKKWVLVGVLSSGSEHGNNWVVTTQDFLHQQPKHDFDKTISYDSEKGSLQWRYNKNSGVGTLSQESVVWDMHGKKGGDLNAGKNLQFTGNNGEIILHDSIDQGAGYLQFFDNYTVTSLTDQTWTGGGIITEKGVNVLWQVNGVNDDNLHKVGEGTLTVNGKGVNNGGLKVGDGTVILNQRPDDNGHKQAFSSINISSGRATVILSDANQVNPDKISWGYRGGTLDLNGNNVNFTRLQAADYGAIVSNNNKNKSELTLKLQTLNENDISVDVKTYEVFGGHGSPGDLYYVPASNTYFILKSKAYGPFFSDLDNTNVWQNVGHDRDKAIQIVKQQKIGESSQPYMFHGQLNGYMDVNIHPLSGKDVLTLDGSVNLPEGVITKKSGTLIFQGHPVIHAGMTTSAGQSDWENRQFTMDKLRLDAATFHLSRNAHMQGDISAANGSTVILGSSRVFTDKNDGTGNAVSSVEGSSIATTAGDQSYYSGNVLLENHSSLEVRENFTGGIEAYDSSVSVTSQNAIFDHVGSFVNSSLLLEKGAKLTAQSGIFTNNTMKIKENASLTLTGIPSVGKPGYYSPVTSTTEGIHLGERASLSVKNMGYLSSNITAENSAAIINLGDSNATIGKTDSPLFSTLMRGYNAVLQGNIMGPQSSVNMNNALWHSDRNSELKELKANDSQIELGVRGHFAKLRVKELIASNSVFLVHANNSQADQLNVTDKLQGSNNTILVDFFNKAANGTNVTLITAPKGSDENTFKAGTQQIGFSNITPEIRTENTDTATQWVLTGYQSVADARASKIATDFMDSGYKSFLTEVN

Source

organism	Escherichia coli
ncbi_taxonomy_id	562
host_organism	Escherichia coli

Entity 2 polymer

description	Heavy chain of the fragment antigen binding domain of monoclonal antibody 25
formula_weight	24135.1 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	B

QVQLQESGPGLVKPSQTLSLTCTVSGGSITSGDYYWSWIRQPPGKGLEWIGHISHSGTMYYNPSLKSRLSISVDTSKNQFSLNLSSVTAADTAVYYCARGGFSMLRGVPSVLAYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCD

Source

organism	Homo sapiens
ncbi_taxonomy_id	9606
host_organism	Homo sapiens

Entity 3 polymer

description	Light chain of the fragment antigen binding domain of monoclonal antibody 25
formula_weight	23272.8 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	C

DIQMTQSPSSLSASVGDRVTITCRASESISSYLNWYQQKPGKAPKLLIYAASSLQSGVPSRFSGRGSGTDFTLTISSLQPEDFATYHCQQSFTTPLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Source

organism	Homo sapiens
ncbi_taxonomy_id	9606
host_organism	Homo sapiens

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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	triclinic

resolution	3.32 Å
resolution_method	—
num_particles	33847

fit	/app/data/saxs_computation/z7/9z76/9z76.fit
pddf	/app/data/pr_computation/z7/9z76/9z76.pr.out
profile	/app/data/saxs_computation/z7/9z76/9z76.dat

;Cryo-EM structure of Enterotoxigenic Escherichia coli autotransporter A (EatA) complexed with the fragment antigen binding domain of monoclonal antibody 25 ;

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

EM 3D

5. Entities & Polymer Info (3)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

Entity 3 polymer

Polymer

Source

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)