SAXSdb — 9st4

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1. Structure Basics

entry_id	9st4
deposition_date	2025-09-26
last_revision	2026-05-13
title	Structure of IglF:IglGN complex
keywords	Type VI secretion system Spike contractile injection system Francisella, TOXIN; TOXIN
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	29.71 Å
rg_electron	29.44 Å
i0	45788800.00
molecular_weight	57218.0 kDa
excluded_volume	73519 Å³
envelope_volume	94260 Å³
shell_volume	28288 Å³
envelope_diameter	102.5 Å
shell_rg	34.40 Å
envelope_rg	29.12 Å
shape_rg	29.43 Å
total_rg	30.00 Å
total_atoms	4045
n_residues	488
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	98.7 Å
rg_real	29.82 Å
rg_real_error	0.87 Å
i0_real	4.5790e+07
i0_real_error	6.3100e+05
rg_reciprocal	29.78 Å
i0_reciprocal	45790000.0000
total_estimate	0.8757
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	37.2 Å
skewness	0.420
kurtosis	-0.305
angular_range	— – 0.2650 Å⁻¹
current_alpha	0.0000
highest_alpha	9330000.0000
n_real_points	54
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.883; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.927; Smooth: 0.806

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

Entity 1 polymer

description	DNA polymerase I
formula_weight	67994.4 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	4045

MNNDIDKWFENLFNNIHLYYKQEQSYKISKLNECITNVIKFINIKNYRKADIYNLTYVIEEVRYSTNLILSDSAIKFNDLILKKLDNILDCTNINYFTSLMKNLKVLLEKYKLVIEKDISNRIELIKTKQFDKLESIFLDYINNDNINAYDDRLVKLYVKTIQNPNSIEAIDEYKSYFDTLKIFIKDHKNIDSFIPFRENPILSLLKLAYLIRNGLYKTDRLLASDIILLRALYSINKDTYKLSLINEKTDTHLSIVSLTSLQAKPSENLKKTIDFIDLQIFAISQYFDDFPLQDIFFQKKSQIDIFKSESLEQLIFSLKNISNIMFDEETLYKKTHIKNQLYKNLFLNNHNSLIEDIIEKSPANLLTKLANKYFQILLDIATMINIQLVNNDLKLIYPFLEFEKYFNQVTLEVSKKSQFNQEKLEKNILNIIRIYPLLNQNYQLLKDMEQKIIDDKNSIESNDIYKLSVFVNSKSFSTYKEIKTLTSNDHKDINIHKSLVKVNKNICNAKHKNAAETAKELTMVLLSKSYYMNPTLIGVYNLPPISNSFFLVLKEITNNPIIDSIKSKQEAYWKI

Source

organism	Francisella tularensis subsp. novicida
ncbi_taxonomy_id	264
host_organism	Escherichia coli

Entity 2 polymer

description	IglG
formula_weight	5517.2 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	H

MLNIINDSLKRLEEITTDDESISSSVSDLVADLNNIKILLAQSKLHLSSN

Source

organism	Francisella tularensis subsp. novicida
ncbi_taxonomy_id	264
host_organism	Escherichia coli

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6. Citations (1)

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length_a	95.003 Å
length_b	83.791 Å
length_c	105.505 Å
angle_alpha	90.00 °
angle_beta	106.40 °
angle_gamma	90.00 °
z_pdb	4

space_group	I 1 2 1
int_tables_number	5
crystal_system	—

resolution	3.080 Å
resolution_low	45.570 Å
r_factor	0.2670
r_work	0.2657
r_free	0.2902

fit	/app/data/saxs_computation/st/9st4/9st4.fit
pddf	/app/data/pr_computation/st/9st4/9st4.pr.out
profile	/app/data/saxs_computation/st/9st4/9st4.dat

Structure of IglF:IglGN 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 (2)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)