SAXSdb — 9zck

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1. Structure Basics

entry_id	9zck
deposition_date	2025-11-23
last_revision	2026-06-03
title	WNK1/S382A in cesium formate
keywords	WNK1 protein kinase, ion binding, unphosphorylated, SIGNALING PROTEIN; SIGNALING PROTEIN
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	29.99 Å
rg_electron	29.76 Å
i0	61452000.00
molecular_weight	64567.0 kDa
excluded_volume	81509 Å³
envelope_volume	99140 Å³
shell_volume	29358 Å³
envelope_diameter	100.6 Å
shell_rg	35.05 Å
envelope_rg	29.45 Å
shape_rg	29.77 Å
total_rg	30.25 Å
total_atoms	4416
n_residues	542
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	97.6 Å
rg_real	30.17 Å
rg_real_error	0.54 Å
i0_real	6.1450e+07
i0_real_error	7.4240e+05
rg_reciprocal	30.09 Å
i0_reciprocal	61450000.0000
total_estimate	0.8598
solution_quality	GOOD a GOOD solution
n_peaks	1
r_peak_primary	27.6 Å
skewness	0.434
kurtosis	-0.606
angular_range	— – 0.2650 Å⁻¹
current_alpha	0.0002
highest_alpha	19710000.0000
n_real_points	54
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.812; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.847; Smooth: 0.889

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4. Crystallography & Experiment

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5. Entities & Polymer Info (6)

Entity 1 polymer

description	Serine/threonine-protein kinase WNK1
formula_weight	33481.5 kDa
ec_number	2.7.11.1
mutation	S382A
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	4771

QEERNQQQDDIEELETKAVGMSNDGRFLKFDIEIGRGSFKTVYKGLDTETTVEVAWCELQDRKLTKSERQRFKEEAEMLKGLQHPNIVRFYDSWESTVKGKKCIVLVTELMTSGTLKTYLKRFKVMKIKVLRSWCRQILKGLQFLHTRTPPIIHRDLKCDNIFITGPTGSVKIGDLGLATLKRASFAKAVIGTPEFMAPEMYEEKYDESVDVYAFGMCMLEMATSEYPYSECQNAAQIYRRVTSGVKPASFDKVAIPEVKEIIEGCIRQNKDERYSIKDLLNHAFFQEET

Source

organism	Rattus norvegicus
common_name	Norway rat
ncbi_taxonomy_id	10116
host_organism	Escherichia coli

Entity 2 non-polymer

description	GLYCEROL
formula_weight	92.1 kDa
src_method	syn
entity_count	5

Entity 3 non-polymer

description	CESIUM ION
formula_weight	132.9 kDa
src_method	syn
entity_count	13

Entity 4 non-polymer

description	SULFATE ION
formula_weight	96.1 kDa
src_method	syn
entity_count	1

Entity 5 non-polymer

description	1,2-ETHANEDIOL
formula_weight	62.1 kDa
src_method	syn
entity_count	2

Entity 6 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	350

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6. Citations (1)

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length_a	38.643 Å
length_b	57.833 Å
length_c	65.513 Å
angle_alpha	89.11 °
angle_beta	89.34 °
angle_gamma	89.38 °
z_pdb	2

space_group	P 1
int_tables_number	1
crystal_system	triclinic

resolution	2.200 Å
resolution_low	33.450 Å
r_factor	0.1791
r_work	0.1768
r_free	0.2259

fit	/app/data/saxs_computation/zc/9zck/9zck.fit
pddf	/app/data/pr_computation/zc/9zck/9zck.pr.out
profile	/app/data/saxs_computation/zc/9zck/9zck.dat

WNK1/S382A in cesium formate

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