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9rws

high-affinity choline transporter in DDM with Na+ and choline

Method: ELECTRON MICROSCOPY D_max: 76.3 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9rws
deposition_date	2025-07-10
title	high-affinity choline transporter in DDM with Na+ and choline
keywords	Choline 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	24.02 Å
rg_electron	22.98 Å
i0	40354100.00
molecular_weight	55246.0 kDa
excluded_volume	71716 Å³
envelope_volume	81491 Å³
shell_volume	28883 Å³
envelope_diameter	80.4 Å
shell_rg	30.74 Å
envelope_rg	23.26 Å
shape_rg	22.99 Å
total_rg	23.95 Å
total_atoms	3902
n_residues	512
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	76.3 Å
rg_real	23.91 Å
rg_real_error	0.39 Å
i0_real	4.0350e+07
i0_real_error	5.6130e+05
rg_reciprocal	23.94 Å
i0_reciprocal	40350000.0000
total_estimate	0.9000
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	29.8 Å
skewness	0.227
kurtosis	-0.377
angular_range	— – 0.3300 Å⁻¹
current_alpha	0.0000
highest_alpha	6081000.0000
n_real_points	65
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.905; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.981

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Solute carrier family 5 (High affinity choline transporter), member 7
formula_weight	59706.9 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3903

MQPQPSATPDRKQDNKNKNYEKAGLLGFIGLLLVVAVYVAFTGNDVNWGALVFMFISYAIIFYIGSVTAGKKSDSASDMMVAGRSMPLWVAMFTMTATWVGGGYIAGTAETTFASGVVWAQAPWGYGLSLIIGGIFYARKMRRYEFTTMLDPLEVRFGKKVAGVLYLPALLGELFWSAAILVALGTTFGLILGLDFTTSIIISAIIAVAYTFVGGMWSVALTDVAQIIMIIIGMFLVVPFALSEVGGLGQAWGAYKEGMAGFTNLLPPLDGWNHPDWGNYYWNWWDYALLLIFGGIPWQVYFQRVLSAKNEKTAMWLSIAAGFLCIILAVPAVMIGVAGFSADWASYGIEGPGAASEILAYVVNYMSPYLVAIVALGAIAAAVMSSMDSSILSASSMAAWNIYRPLVKPKANGRDIKRTIRVSIILIGLAATIVALNIDSVYTLWYLCADLVYCMLFPQLTTALFDKKANTYGAIAGLSVSLFLRLGGGEPALGLPAFLPYPMIEDGVVLFPFRTLAMVSGLLTIIVVSRLTQKSCPPQPLRKLKTEMQDE

Source

organism	Salimicrobium flavidum
ncbi_taxonomy_id	570947
host_organism	Escherichia coli BL21

Entity 2 non-polymer

description	SODIUM ION
formula_weight	23.0 kDa
src_method	syn
entity_count	1

Entity 3 non-polymer

description	CHOLINE ION
formula_weight	104.2 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	1

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6. Citations (1)

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resolution	3.280 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	3.28 Å
resolution_method	—
num_particles	447418

fit	/app/data/saxs_computation/rw/9rws/9rws.fit
pddf	/app/data/pr_computation/rw/9rws/9rws.pr.out
profile	/app/data/saxs_computation/rw/9rws/9rws.dat