Fem-1 homolog B (FEM1B) in complex with VU0023775

Method: X-RAY DIFFRACTION D_max: 115.8 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9pxo
deposition_date	2025-08-06
last_revision	2025-11-26
title	Fem-1 homolog B (FEM1B) in complex with VU0023775
keywords	FEM1B, E3 ligase, ligand, LIGASE; LIGASE
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	32.86 Å
rg_electron	32.93 Å
i0	156077000.00
molecular_weight	66412.0 kDa
excluded_volume	64041 Å³
envelope_volume	118010 Å³
shell_volume	31735 Å³
envelope_diameter	121.5 Å
shell_rg	37.15 Å
envelope_rg	32.62 Å
shape_rg	32.96 Å
total_rg	33.14 Å
total_atoms	5032
n_residues	672
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	115.8 Å
rg_real	33.14 Å
rg_real_error	1.13 Å
i0_real	1.5610e+08
i0_real_error	2.6250e+06
rg_reciprocal	33.03 Å
i0_reciprocal	156100000.0000
total_estimate	0.8448
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	36.2 Å
skewness	0.469
kurtosis	-0.285
angular_range	— – 0.2400 Å⁻¹
current_alpha	0.0000
highest_alpha	13820000.0000
n_real_points	49
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.788; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.731; Smooth: 0.882

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (1)

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length_a	129.844 Å
length_b	129.844 Å
length_c	139.967 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	3.050 Å
resolution_low	47.600 Å
r_factor	0.2879
r_work	0.2847
r_free	0.3397

description	Protein fem-1 homolog B
formula_weight	39295.8 kDa
src_method	man
entity_count	2

type	polypeptide(L)
strand_id	A,B
atom_count	5032

Fem-1 homolog B (FEM1B) in complex with VU0023775

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

5. Entities & Polymer Info (2)

Entity 1 polymer

Polymer

Source

Entity 2 non-polymer

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Escherichia coli

description	2-tert-butyl-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid
formula_weight	247.2 kDa
src_method	syn
entity_count	2

fit	/app/data/saxs_computation/px/9pxo/9pxo.fit
pddf	/app/data/pr_computation/px/9pxo/9pxo.pr.out
profile	/app/data/saxs_computation/px/9pxo/9pxo.dat