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9qth

Inquilinus NrnC

Method: X-RAY DIFFRACTION D_max: 83.5 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9qth
deposition_date	2025-04-08
last_revision	2026-04-22
title	Inquilinus NrnC
keywords	nuclease, NrnC, HYDROLASE; HYDROLASE
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	25.73 Å
rg_electron	24.77 Å
i0	34223800.00
molecular_weight	44919.0 kDa
excluded_volume	56216 Å³
envelope_volume	67692 Å³
shell_volume	23650 Å³
envelope_diameter	85.5 Å
shell_rg	30.99 Å
envelope_rg	24.87 Å
shape_rg	24.75 Å
total_rg	25.56 Å
total_atoms	3158
n_residues	406
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	83.5 Å
rg_real	25.83 Å
rg_real_error	0.57 Å
i0_real	3.4220e+07
i0_real_error	4.5290e+05
rg_reciprocal	25.80 Å
i0_reciprocal	34220000.0000
total_estimate	0.8794
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	25.6 Å
skewness	0.424
kurtosis	-0.465
angular_range	— – 0.3100 Å⁻¹
current_alpha	0.0000
highest_alpha	8917000.0000
n_real_points	63
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.868; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.941; Smooth: 0.884

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Inquilinus NrnC
formula_weight	22558.8 kDa
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	3767

MSEPILHDGDLPDGLDLGDVIAIDTETMGLNPVRDRLCLVQLSAGDGTVHLVQLRKGAYDAPNVKALLADPARLKLFHFARFDIAALQAYLGVVTAPVYCTKIASRLVRTFTDRHGLKDLCRDLLGVELSKQQQSSDWGSDQLTPEQLRYAASDVLYLHALKAKLDEMLRREGREALAQACYDFLPTRAALDLGGWSDLDIFAH

Source

organism	Inquilinus limosus
ncbi_taxonomy_id	171674
host_organism	Escherichia coli

Entity 2 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	nat
entity_count	4

Entity 3 non-polymer

description	CHLORIDE ION
formula_weight	35.5 kDa
src_method	nat
entity_count	2

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	596

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6. Citations (1)

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length_a	120.708 Å
length_b	120.708 Å
length_c	71.764 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	16

space_group	P 4 21 2
int_tables_number	90
crystal_system	tetragonal

resolution	1.800 Å
resolution_low	46.190 Å
r_factor	0.1769
r_work	0.1766
r_free	0.1991

fit	/app/data/saxs_computation/qt/9qth/9qth.fit
pddf	/app/data/pr_computation/qt/9qth/9qth.pr.out
profile	/app/data/saxs_computation/qt/9qth/9qth.dat

Inquilinus NrnC

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