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9qmo

PLK1 PBD apo protein at 1.6A

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

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9qmo
deposition_date	2025-03-24
last_revision	2026-02-25
title	PLK1 PBD apo protein at 1.6A
keywords	PLK1, PBD, CELL CYCLE, CCAN, kinase, mitosis, kinetochore; 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	19.32 Å
rg_electron	18.20 Å
i0	13119100.00
molecular_weight	26683.0 kDa
excluded_volume	33293 Å³
envelope_volume	38593 Å³
shell_volume	18049 Å³
envelope_diameter	69.3 Å
shell_rg	24.16 Å
envelope_rg	18.45 Å
shape_rg	18.19 Å
total_rg	19.16 Å
total_atoms	3729
n_residues	229
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	19.29 Å
rg_real_error	0.55 Å
i0_real	1.3120e+07
i0_real_error	1.7840e+05
rg_reciprocal	19.29 Å
i0_reciprocal	13120000.0000
total_estimate	0.8416
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	23.2 Å
skewness	0.376
kurtosis	-0.056
angular_range	— – 0.4100 Å⁻¹
current_alpha	0.0000
highest_alpha	3471000.0000
n_real_points	72
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.662; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.956; Smooth: 0.995

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Serine/threonine-protein kinase PLK1
formula_weight	30006.2 kDa
ec_number	2.7.11.21
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3936

GSKGLENPLPERPREKEEPVVRETGEVVDCHLSDMLQQLHSVNASKPSERGLVRQEEAEDPACIPIFWVSKWVDYSDKYGLGYQLCDNSVGVLFNDSTRLILYNDGDSLQYIERDGTESYLTVSSHPNSLMKKITLLKYFRNYMSEHLLKAGANITPREGDELARLPYLRTWFRTRSAIILHLSNGSVQINFFQDHTKLILCPLMAAVTYIDEKRDFRTYRLSLLEEYGCCKELASRLRYARTMVDKLLSSRSASNRLKAS

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Escherichia coli

Entity 2 non-polymer

description	PHOSPHATE ION
formula_weight	95.0 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	GLYCEROL
formula_weight	92.1 kDa
src_method	nat
entity_count	2

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	89

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6. Citations (1)

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length_a	76.700 Å
length_b	98.570 Å
length_c	33.230 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	4

space_group	P 21 21 2
int_tables_number	18
crystal_system	—

resolution	1.600 Å
resolution_low	49.280 Å
r_factor	0.1989
r_work	0.1973
r_free	0.2284

fit	/app/data/saxs_computation/qm/9qmo/9qmo.fit
pddf	/app/data/pr_computation/qm/9qmo/9qmo.pr.out
profile	/app/data/saxs_computation/qm/9qmo/9qmo.dat

PLK1 PBD apo protein at 1.6A

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