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9z32

The structure of short splice variant (Q9UBL9-2) of human P2X2 receptor channel in lipid nanodiscs with Mg-ATP

Method: ELECTRON MICROSCOPY D_max: 111.5 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9z32
deposition_date	2025-11-05
title	The structure of short splice variant (Q9UBL9-2) of human P2X2 receptor channel in lipid nanodiscs with Mg-ATP
keywords	ATP-gated ion channel, MEMBRANE PROTEIN; MEMBRANE PROTEIN
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	32.79 Å
rg_electron	32.92 Å
i0	188453000.00
molecular_weight	111410.0 kDa
excluded_volume	140040 Å³
envelope_volume	185230 Å³
shell_volume	47406 Å³
envelope_diameter	118.6 Å
shell_rg	39.07 Å
envelope_rg	33.59 Å
shape_rg	32.87 Å
total_rg	33.58 Å
total_atoms	7836
n_residues	972
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	111.5 Å
rg_real	32.86 Å
rg_real_error	0.85 Å
i0_real	1.8850e+08
i0_real_error	3.2590e+06
rg_reciprocal	32.83 Å
i0_reciprocal	188400000.0000
total_estimate	0.8577
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	39.5 Å
skewness	0.498
kurtosis	0.052
angular_range	— – 0.2400 Å⁻¹
current_alpha	0.0000
highest_alpha	29190000.0000
n_real_points	49
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.754; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.891

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4. Crystallography & Experiment

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5. Entities & Polymer Info (3)

Entity 1 polymer

description	Isoform B of P2X purinoceptor 2
formula_weight	44896.4 kDa
src_method	man
entity_count	3

Polymer

type	polypeptide(L)
strand_id	A,B,C
atom_count	7902

MAAAQPKYPAGATARRLARGCWSALWDYETPKVIVVRNRRLGVLYRAVQLLILLYFVWYVFIVQKSYQESETGPESSIITKVKGITTSEHKVWDVEEYVKPPEGGSVFSIITRVEATHSQTQGTCPESIRVHNATCLSDADCVAGELDMLGNGLRTGRCVPYYQGPSKTCEVFGWCPVEDGASVSQFLGTMAPNFTILIKNSIHYPKFHFSKGNIADRTDGYLKRCTFHEASDLYCPIFKLGFIVEKAGESFTELAHKGGVIGVIINWDCDLDLPASECNPKYSFRRLDPKHVPASSGYNFRFAKYYKINGTTTRTLIKAYGIRIDVIVHGQAGKFSLIPTIINLATALTSVGVGSFLCDWILLTFMNKNKVYSHKKFDKMVDTPASEPAQASTPTDPKGLAQL

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Homo sapiens

Entity 2 non-polymer

description	2-acetamido-2-deoxy-beta-D-glucopyranose
formula_weight	221.2 kDa
src_method	syn
entity_count	9

Entity 3 non-polymer

description	ADENOSINE-5'-TRIPHOSPHATE
formula_weight	507.2 kDa
src_method	syn
entity_count	3

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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	2.83 Å
resolution_method	—
num_particles	344336

fit	/app/data/saxs_computation/z3/9z32/9z32.fit
pddf	/app/data/pr_computation/z3/9z32/9z32.pr.out
profile	/app/data/saxs_computation/z3/9z32/9z32.dat