SAXSdb — 9noy

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Taste receptor type 1 member 2

Homo sapiens

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 19–839	Not recorded	No other associated polymer	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 3.70 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9NOY	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
9NOR Human sweet taste receptor composed of TAS1R2 and TAS1R3 GPCRs from the combined datasets Deposited 2025-03-10	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–839（821 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 16	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
9NOS Human sweet taste receptor (TAS1R2 + TAS1R3) from the PEG400 dataset Deposited 2025-03-10	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–839（821 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 16	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
9NOT Human sweet taste receptor (TAS1R2 + TAS1R3) from the sucralose dataset Deposited 2025-03-10	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–839（821 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 16	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
9NOU Human sweet taste receptor (TAS1R2 + TAS1R3) VFT domains from the combined datasets Deposited 2025-03-10	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–515（497 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 15	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
9NOV Human sweet taste receptor (TAS1R2 + TAS1R3) VFT domains bound to sucralose Deposited 2025-03-10	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–518（500 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 15	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9NOW Human sweet taste receptor (TAS1R2 + TAS1R3) VFT domains bound to aspartame Deposited 2025-03-10	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–518（500 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 15	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9NOX Transmembrane domains of the human TAS1R2 sweet receptor subunit in complex with miniGs/gust25 Deposited 2025-03-10	Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 19–839（821 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
9O38 Transmembrane domains of the human sweet receptor (TAS1R2 + TAS1R3) from Class 3 particles (rigidly fitted from PDB:9NOX and 9NOR) Deposited 2025-04-06	Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 19–839（821 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
9OPW Structure of the sweet receptor in the apo state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 25–555（531 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.86 Å
9OPX Structure of the sweet receptor in the apo state, transmembrane domain Deposited 2025-05-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 554–831（278 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.63 Å
9OPY Structure of the sweet receptor in the apo state Deposited 2025-05-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 20–839（820 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.51 Å
9OPZ Structure of the sweet receptor bound to sucralose in the compact state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 25–555（531 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.16 Å
9OQ0 Structure of the sweet receptor bound to sucralose in the compact state, transmembrane domain Deposited 2025-05-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 554–831（278 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.67 Å
9OQ1 Structure of the sweet receptor bound to sucralose in the loose state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 25–555（531 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.98 Å
9OQ2 Structure of the sweet receptor bound to advantame in the compact state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 22–839（818 aa）	Not recorded	A1CD7 advantame × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.27 Å
9OQ3 Structure of the sweet receptor bound to advantame in the loose state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 22–839（818 aa）	Not recorded	A1CD7 advantame × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.11 Å
9OQ4 Structure of the human sweet receptor bound to advantame in the compact state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 22–839（818 aa）	Not recorded	A1CD7 advantame × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.59 Å
9OQ5 Structure of the human sweet receptor bound to advantame in the intermediate state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 22–839（818 aa）	Not recorded	A1CD7 advantame × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.93 Å
9OQ6 Structure of the human sweet receptor bound to advantame in the loose state, extracellular domain Deposited 2025-05-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 22–839（818 aa）	Not recorded	A1CD7 advantame × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.57 Å
9UT8 The full-length human sweet taste receptor TAS1R2 and TAS1R3 in the apo state Deposited 2025-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 26–839（814 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.41 Å
9UT9 The VFT domains of human sweet taste receptor TAS1R2 and TAS1R3 in the apo state Deposited 2025-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 26–839（814 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.18 Å
9UTA The transmembrane domains of human sweet taste receptor TAS1R2 and TAS1R3 in the apo state Deposited 2025-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 26–839（814 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.77 Å
9UTB The full-length human sweet taste receptor TAS1R2 and TAS1R3 in the sucralose-bound state Deposited 2025-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 26–839（814 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.59 Å
9UTC The VFT domains of human sweet taste receptor TAS1R2 and TAS1R3 in the sucralose-bound state Deposited 2025-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 26–839（814 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.33 Å

24 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	TS1R2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 28–848； UniProt 19–839

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9noy
Deposition date deposition_date	2025-03-10
Structure title title	Human TAS1R2 transmembrane domains from the TAS1R2-TM-G protein complex
Keywords keywords	Sweet, taste, receptor, GPCR, TAS1R2, TAS1R3, T1R2, T1R3, membrane protein; MEMBRANE PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	21.11 Å
Radius of gyration Rg (electron density) rg_electron	20.09 Å
Forward intensity I(0) i0	12203400.00
Molecular weight molecular_weight	28931.0 kDa
Excluded volume excluded_volume	37443 Å³
Envelope volume envelope_volume	44804 Å³
Hydration-shell volume shell_volume	19167 Å³
Envelope diameter envelope_diameter	70.8 Å
Shell Rg shell_rg	26.06 Å
Envelope Rg envelope_rg	20.48 Å
Shape Rg shape_rg	20.11 Å
Total Rg total_rg	21.01 Å
Total atoms total_atoms	2031
Residues n_residues	257
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	70.1 Å
Rg (real space) rg_real	21.14 Å
Rg uncertainty (real space) rg_real_error	0.52 Å
I(0) (real space) i0_real	1.2200e+07
I(0) uncertainty (real space) i0_real_error	1.5650e+05
Rg (reciprocal space) rg_reciprocal	21.14 Å
I(0) (reciprocal space) i0_reciprocal	12200000.0000
Solution quality estimate total_estimate	0.8028
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	24.8 Å
Skewness Skewness skewness	0.400
Kurtosis Kurtosis kurtosis	-0.255
Angular range angular_range	— – 0.3750 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	2150000.0000
Real-space data points n_real_points	69
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.822; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.000

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (1)

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.70 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	55925

Description description	Taste receptor type 1 member 2
Molecular weight formula_weight	96239.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2031

Human TAS1R2 transmembrane domains from the TAS1R2-TM-G protein complex

1. Protein Identity and Related Structures Protein Identity & Related Structures

Taste receptor type 1 member 2

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

fit	/app/data/saxs_computation/no/9noy/9noy.fit
pddf	/app/data/pr_computation/no/9noy/9noy.pr.out
profile	/app/data/saxs_computation/no/9noy/9noy.dat