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9xqn

Cryo-EM structure of apo form of GPR75-bRIL-Fab complex

Method: ELECTRON MICROSCOPY D_max: 127.9 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9xqn
deposition_date	2025-11-18
title	Cryo-EM structure of apo form of GPR75-bRIL-Fab complex
keywords	GPCR, GPR75, MEMBRANE PROTEIN/IMMUNE SYSTEM, MEMBRANE PROTEIN-IMMUNE SYSTEM complex; MEMBRANE PROTEIN/IMMUNE SYSTEM
method	ELECTRON MICROSCOPY

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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	37.31 Å
rg_electron	37.54 Å
i0	53016700.00
molecular_weight	57371.0 kDa
excluded_volume	71375 Å³
envelope_volume	104770 Å³
shell_volume	24954 Å³
envelope_diameter	131.9 Å
shell_rg	40.29 Å
envelope_rg	37.04 Å
shape_rg	37.51 Å
total_rg	37.85 Å
total_atoms	7698
n_residues	592
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	127.9 Å
rg_real	37.86 Å
rg_real_error	1.62 Å
i0_real	5.3020e+07
i0_real_error	9.4260e+05
rg_reciprocal	37.53 Å
i0_reciprocal	53000000.0000
total_estimate	0.6939
solution_quality	REASONABLE a REASONABLE solution
n_peaks	3
r_peak_primary	24.4 Å
skewness	0.436
kurtosis	-0.844
angular_range	— – 0.2100 Å⁻¹
current_alpha	0.0000
highest_alpha	5142000.0000
n_real_points	43
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.307; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.300; Smooth: 0.798

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4. Crystallography & Experiment

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5. Entities & Polymer Info (3)

Entity 1 polymer

description	Probable G-protein coupled receptor 75,Soluble cytochrome b562
formula_weight	46423.0 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	7698

ASGRQTVDEALKDAQTSQEGNSTSLQEGLQDLIHTATLVTCTFLLAVIFCLGSYGNFIVFLSFFDPAFRKFRTNFDFMILNLSFCDLFICGVTAPMFTFVLFFSSASSIPDAFCFTFHLTSSGFIIMSLKTVAVIALHRLRMVLGKQPNRTASFPCTVLLTLLLWATSFTLATLATLKTSKSHLCLPMSSLIAGKGKAILSLYVVDFTFCVAVVSVSYIMIAQTLRKNAERARSTLADLEDNWETLNDNLKVIEKADNAAQVKDALTKMRAAALDAQKASGSGSPEMKDFRHGFDILVGQIDDALKLANEGKVKEAQAAAEQLKTTRNAYIQKYLERARSTLAKDSKAVVTCVIIVLSVLVCCLPLGISLVQVVLSSNGSFILYQFELFGFTLIFFKSGLNPFIYSRNSAGLRRKVLWCLQS

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

Entity 2 polymer

description	Fab24 H
formula_weight	11625.9 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	B

SDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQYLYYSLVTFGQGTKVE

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

Entity 3 polymer

description	Fab24 L
formula_weight	13207.7 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	C

VQLVESGGGLVQPGGSLRLSCAASGFNVVVFSIHWVRQAPGKGLEWVAYISSSSGSTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARWGYWPGEPWWKAFDYWGQGTLVTV

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

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6. Citations (1)

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length_a	1.000 Å
length_b	1.000 Å
length_c	1.000 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	—

space_group	P 1
int_tables_number	1
crystal_system	—

resolution	3.91 Å
resolution_method	—
num_particles	91159

fit	/app/data/saxs_computation/xq/9xqn/9xqn.fit
pddf	/app/data/pr_computation/xq/9xqn/9xqn.pr.out
profile	/app/data/saxs_computation/xq/9xqn/9xqn.dat

Cryo-EM structure of apo form of GPR75-bRIL-Fab complex

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

EM 3D

5. Entities & Polymer Info (3)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

Entity 3 polymer

Polymer

Source

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)