SAXSdb — 9tq6

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1. Structure Basics

entry_id	9tq6
deposition_date	2025-12-19
last_revision	2026-05-27
title	Antibody-antigen complex
keywords	antibody, nitrotyrosine, complex, PROTEIN BINDING; PROTEIN BINDING
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	33.63 Å
rg_electron	32.84 Å
i0	145307000.00
molecular_weight	95353.0 kDa
excluded_volume	118940 Å³
envelope_volume	161210 Å³
shell_volume	41368 Å³
envelope_diameter	108.6 Å
shell_rg	39.40 Å
envelope_rg	32.03 Å
shape_rg	32.83 Å
total_rg	33.45 Å
total_atoms	6719
n_residues	866
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	108.5 Å
rg_real	33.56 Å
rg_real_error	1.01 Å
i0_real	1.4530e+08
i0_real_error	2.6110e+06
rg_reciprocal	33.61 Å
i0_reciprocal	145300000.0000
total_estimate	0.8993
solution_quality	GOOD a GOOD solution
n_peaks	1
r_peak_primary	43.9 Å
skewness	0.215
kurtosis	-0.460
angular_range	— – 0.2350 Å⁻¹
current_alpha	0.0000
highest_alpha	13540000.0000
n_real_points	48
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.926; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.912

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Antibody Fab fragment heavy chain
formula_weight	25826.0 kDa
src_method	nat
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,H
atom_count	6765

MKCSWVIFFLMAVVTGVNSEVQLQQSGAELVKPGASVKLSCTASDFNIKDTYMHWVKQRPEQGLEWIGRIDPANGNTKYDPKFQGKATISADTSSNTAYLHLSSLTSEDTAVYYCASLWSYWYFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPRDC

Entity 2 polymer

description	Antibody Fab fragment light chain
formula_weight	26438.5 kDa
src_method	nat
entity_count	2

Polymer

type	polypeptide(L)
strand_id	B,L

MDSQAQVLILLLLWVSGTCGDIVMSQSPSSLAVSAGEKVTMSCKSSQSLLNSRTRKNYLAWYQQKPGQSPKLLIYWASTRESGVPDRFTGSGSGTDFTLTISSVQAEDLAVYYCKQFYNLFTFGSGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC

Entity 3 polymer

description	Beta-nerve growth factor
formula_weight	1409.6 kDa
src_method	syn
entity_count	2

Polymer

type	polypeptide(L)
strand_id	P,Q

XVFKQYFFETK

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	46

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6. Citations (1)

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length_a	71.555 Å
length_b	91.277 Å
length_c	142.411 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	P 21 21 21
int_tables_number	19
crystal_system	orthorhombic

resolution	2.400 Å
resolution_low	45.640 Å
r_factor	0.2373
r_work	0.2352
r_free	0.2759

fit	/app/data/saxs_computation/tq/9tq6/9tq6.fit
pddf	/app/data/pr_computation/tq/9tq6/9tq6.pr.out
profile	/app/data/saxs_computation/tq/9tq6/9tq6.dat

Antibody-antigen complex

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

Entity 2 polymer

Polymer

Entity 3 polymer

Polymer

Entity 4 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)