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9tfw

Arabidopsis thaliana Casein Kinase 2 (CK2) alpha isoform 3 apo

Method: X-RAY DIFFRACTION D_max: 68.8 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9tfw
deposition_date	2025-11-27
last_revision	2025-12-24
title	Arabidopsis thaliana Casein Kinase 2 (CK2) alpha isoform 3 apo
keywords	protein kinase, inositol polyphosphate, inositol pyrophosphate, flowering time regulation, plant growth, CELL CYCLE; CELL CYCLE
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	21.95 Å
rg_electron	20.59 Å
i0	25177600.00
molecular_weight	39450.0 kDa
excluded_volume	49797 Å³
envelope_volume	57836 Å³
shell_volume	23202 Å³
envelope_diameter	68.9 Å
shell_rg	27.68 Å
envelope_rg	20.97 Å
shape_rg	20.60 Å
total_rg	21.50 Å
total_atoms	5534
n_residues	335
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	68.8 Å
rg_real	21.85 Å
rg_real_error	0.36 Å
i0_real	2.5180e+07
i0_real_error	3.3430e+05
rg_reciprocal	21.87 Å
i0_reciprocal	25180000.0000
total_estimate	0.9032
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	25.7 Å
skewness	0.230
kurtosis	-0.402
angular_range	— – 0.3600 Å⁻¹
current_alpha	0.0000
highest_alpha	6857000.0000
n_real_points	68
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.918; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.984

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Casein kinase II subunit alpha-3
formula_weight	40442.2 kDa
ec_number	2.7.11.1
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	6113

MSKARVYTDVNVVRPKEYWDYESLVVQWGHQDDYEVVRKVGRGKYSEVFEGKNVNTNERCVIKILKPVKKKKIKREIKILQNLCGGPNIVKLYDIVRDEHSKTPSLVFEFVNSVDFKVLYPTLTDYDIRYYIYELLKALDFCHSQGIMHRDVKPHNVMIDHQLRKLRLIDWGLAEFYHPGKEYNVRVASRYFKGPELLVDLQDYDYSLDMWSLGCMFAGMIFRKEPFFYGHDNHDQLVKIAKVLGTNELDHYLNKYQLDLDPQLEALVGRHVPKPWSKFINADNQHLVSPEAIDFLDKLLQYDHQDRLTAREAMDHPYFAQVKAAESSRLRTQLEHHHHHH

Source

organism	Arabidopsis thaliana
common_name	thale cress
ncbi_taxonomy_id	3702
host_organism	Escherichia coli

Entity 2 non-polymer

description	BENZOIC ACID
formula_weight	122.1 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	SODIUM ION
formula_weight	23.0 kDa
src_method	syn
entity_count	2

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	272

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6. Citations (2)

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length_a	53.979 Å
length_b	59.556 Å
length_c	107.013 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	4

space_group	P 21 21 21
int_tables_number	19
crystal_system	orthorhombic

resolution	1.250 Å
resolution_low	48.190 Å
r_factor	0.1694
r_work	0.1685
r_free	0.1863

fit	/app/data/saxs_computation/tf/9tfw/9tfw.fit
pddf	/app/data/pr_computation/tf/9tfw/9tfw.pr.out
profile	/app/data/saxs_computation/tf/9tfw/9tfw.dat

Arabidopsis thaliana Casein Kinase 2 (CK2) alpha isoform 3 apo

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