Crystal Structure of Human Rac1 in Complex with the Scaffold Protein POSH (residues 321-348)

entry_id	9rfb
deposition_date	2025-06-04
title	Crystal Structure of Human Rac1 in Complex with the Scaffold Protein POSH (residues 321-348)
keywords	GTPase GTP/GDP-Binding Nucleotide binding, HYDROLASE; HYDROLASE
method	X-RAY DIFFRACTION

rg_guinier	24.12 Å
rg_electron	23.62 Å
i0	34791100.00
molecular_weight	45194.0 kDa
excluded_volume	56492 ų
envelope_volume	67628 ų
shell_volume	24517 ų
envelope_diameter	91.3 Å
shell_rg	29.72 Å
envelope_rg	24.17 Å
shape_rg	23.61 Å
total_rg	24.37 Å
total_atoms	3159
n_residues	398
n_harmonics	20
q_range	— – 0.5000 Å−1
n_points	101
shell_type	directional
solvent_density	0.3340 e/ų
contrast_shell	0.0300 e/ų
crysol_version	4.1.3

dmax	84.1 Å
rg_real	24.23 Å
rg_real_error	0.70 Å
i0_real	3.4790e+07
i0_real_error	5.6890e+05
rg_reciprocal	24.20 Å
i0_reciprocal	34790000.0000
total_estimate	0.5659
solution_quality	REASONABLE a REASONABLE solution
n_peaks	2
r_peak_primary	26.3 Å
skewness	0.509
kurtosis	-0.085
angular_range	— – 0.3300 Å−1
current_alpha	0.0000
highest_alpha	6801000.0000
n_real_points	65
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.716; Stabil: 0.999; Sysdev: 0.101; Positv: 1.000; Valcen: 0.904; Smooth: 0.000

Unit Cell

length_a	54.793 Å
length_b	54.793 Å
length_c	329.942 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	16

Symmetry

space_group	P 43 21 2
int_tables_number	96
crystal_system	—

Refinement

resolution	1.854 Å
resolution_low	19.670 Å
r_factor	—
r_work	0.1946
r_free	0.2263

Diffraction

temperature

100.0 K

Files (7)

• pr_distribution /app/data/pr_computation/rf/9rfb/pr_distribution.json
• pr_output /app/data/pr_computation/rf/9rfb/9rfb.pr.out
• pr_plot /app/data/visualization/pr_computation/rf/9rfb/9rfb_pr_distribution.png
• saxs_curve_dat /app/data/saxs_computation/rf/9rfb/9rfb.dat
• saxs_fit /app/data/saxs_computation/rf/9rfb/9rfb.fit
• saxs_log /app/data/saxs_computation/rf/9rfb/9rfb.log
• saxs_plot /app/data/visualization/saxs_computation/rf/9rfb/9rfb_saxs_profile.png

Curves (3)

fit	/app/data/saxs_computation/rf/9rfb/9rfb.fit
pddf	/app/data/pr_computation/rf/9rfb/9rfb.pr.out
profile	/app/data/saxs_computation/rf/9rfb/9rfb.dat