SAXSdb — 9w0q

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1. Structure Basics

entry_id	9w0q
deposition_date	2025-07-24
title	Cryo-EM structure of T2R14 in complex with tangeretin and heterotrimeric G protein
keywords	G protein-coupled receptor, Bitter taste receptor 14, ligand binding, signal transduction, 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	34.29 Å
rg_electron	34.30 Å
i0	262803000.00
molecular_weight	87504.0 kDa
excluded_volume	84888 Å³
envelope_volume	159130 Å³
shell_volume	39699 Å³
envelope_diameter	125.4 Å
shell_rg	39.56 Å
envelope_rg	34.32 Å
shape_rg	34.33 Å
total_rg	34.56 Å
total_atoms	6621
n_residues	876
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	115.2 Å
rg_real	34.40 Å
rg_real_error	0.95 Å
i0_real	2.6280e+08
i0_real_error	4.2940e+06
rg_reciprocal	34.33 Å
i0_reciprocal	262800000.0000
total_estimate	0.8743
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	35.1 Å
skewness	0.416
kurtosis	-0.329
angular_range	— – 0.2300 Å⁻¹
current_alpha	0.0000
highest_alpha	34280000.0000
n_real_points	47
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.870; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.960; Smooth: 0.791

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4. Crystallography & Experiment

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5. Entities & Polymer Info (5)

Entity 1 polymer

description	Guanine nucleotide-binding protein G(i) subunit alpha-1
formula_weight	40458.1 kDa
ec_number	3.6.5.-
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	6621

MGCTLSAEDKAAVERSKMIDRNLREDGEKAAREVKLLLLGAGESGKNTIVKQMKIIHEAGYSEEECKQYKAVVYSNTIQSIIAIIRAMGRLKIDFGDSARADDARQLFVLAGAAEEGFMTAELAGVIKRLWKDSGVQACFNRSREYQLNDSAAYYLNDLDRIAQPNYIPTQQDVLRTRVKTTGIVETHFTFKDLHFKMFDVTAQRSERKKWIHCFEGVTAIIFCVALSDYDLVLAEDEEMNRMHASMKLFDSICNNKWFTDTSIILFLNKKDLFEEKIKKSPLTICYPEYAGSNTYEEAAAYIQCQFEDLNKRKDTKEIYTHFTCSTDTKNVQFVFDAVTDVIIKNNLKDCGLF

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

Entity 2 polymer

description	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
formula_weight	38744.4 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	B

MHHHHHHGSLLQSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDDGMAVATGSWDSFLKIWN

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

Entity 3 polymer

description	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
formula_weight	7861.1 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	C

MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFREKKFFCAIL

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

Entity 4 polymer

description	Soluble cytochrome b562,Taste receptor type 2 member 14
formula_weight	54569.5 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	R

MKTIIALSYIFCLVFADYKDDDADLEDNWETLNDNLKVIEKADNAAQVKDALTKMRAAALDAQKATPPKLEDKSPDSPEMKDFRHGFDILVGQIDDALKLANEGKVKEAQAAAEQLKTTRNAYIQKYLMGGVIKSIFTFVLIVEFIIGNLGNSFIALVNCIDWVKGRKISSVDRILTALAISRISLVWLIFGSWCVSVFFPALFATEKMFRMLTNIWTVINHFSVWLATGLGTFYFLKIANFSNSIFLYLKWRVKKVVLVLLLVTSVFLFLNIALINIHINASINGYRRNKTCSSDSSNFTRFSSLIVLTSTVFIFIPFTLSLAMFLLLIFSMWKHRKKMQHTVKISGDASTKAHRGVKSVITFFLLYAIFSLSFFISVWTSERLEENLIILSQVMGMAYPSCHSCVLILGNKKLRQASLSVLLWLRYMFKDGEPSGHKEFRESSEFLEVLFQGPWSHPQFEKGGGSGGGSGGSAWSHPQFEK

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Spodoptera frugiperda

Entity 5 non-polymer

description	5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
formula_weight	372.4 kDa
src_method	syn
entity_count	1

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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	3.200 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	3.20 Å
resolution_method	—
num_particles	883086

fit	/app/data/saxs_computation/w0/9w0q/9w0q.fit
pddf	/app/data/pr_computation/w0/9w0q/9w0q.pr.out
profile	/app/data/saxs_computation/w0/9w0q/9w0q.dat

Cryo-EM structure of T2R14 in complex with tangeretin and heterotrimeric G protein

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 (5)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

Entity 3 polymer

Polymer

Source

Entity 4 polymer

Polymer

Source

Entity 5 non-polymer

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)