Cryo-EM structure of NCLX with calcium (class 2a)

Method: ELECTRON MICROSCOPY D_max: 115.9 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9ps8
deposition_date	2025-07-25
title	Cryo-EM structure of NCLX with calcium (class 2a)
keywords	Membrane transporter, 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	39.55 Å
rg_electron	38.77 Å
i0	307812000.00
molecular_weight	160290.0 kDa
excluded_volume	208090 Å³
envelope_volume	288350 Å³
shell_volume	61720 Å³
envelope_diameter	128.2 Å
shell_rg	44.83 Å
envelope_rg	38.53 Å
shape_rg	38.77 Å
total_rg	39.19 Å
total_atoms	11325
n_residues	1464
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	115.9 Å
rg_real	39.37 Å
rg_real_error	0.50 Å
i0_real	3.0780e+08
i0_real_error	4.3850e+06
rg_reciprocal	39.49 Å
i0_reciprocal	307800000.0000
total_estimate	0.8607
solution_quality	GOOD a GOOD solution
n_peaks	1
r_peak_primary	46.4 Å
skewness	0.183
kurtosis	-0.537
angular_range	— – 0.2000 Å⁻¹
current_alpha	0.0000
highest_alpha	27160000.0000
n_real_points	41
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.984; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.245

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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	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	2.970 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	2.97 Å
resolution_method	—
num_particles	145777

description	NCLX
formula_weight	64037.7 kDa
src_method	man
entity_count	3

Cryo-EM structure of NCLX with calcium (class 2a)

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

EM 3D

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	Rattus norvegicus
common_name	Norway rat
ncbi_taxonomy_id	10116
host_organism	Homo sapiens

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	3

fit	/app/data/saxs_computation/ps/9ps8/9ps8.fit
pddf	/app/data/pr_computation/ps/9ps8/9ps8.pr.out
profile	/app/data/saxs_computation/ps/9ps8/9ps8.dat

type	polypeptide(L)
strand_id	A,B,C
atom_count	11325