SAXSdb — 5cni

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

Metabotropic glutamate receptor 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 2–493 Chain B； UniProt 2–493	Fragment：UNP residues 2-493	GLU GLUTAMIC ACID × 2 CL CHLORIDE ION × 2 NA SODIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION；295 K；100mM Sodium Acetate pH 4.6 + 15% PEG 20K	Resolution 2.69 Å R-free 0.222

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 5CNI	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
4XAQ mGluR2 ECD and mGluR3 ECD with ligands Deposited 2014-12-15	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 2–493（492 aa） Fragment：UNP residues 2-493 Chain B 2–493（492 aa） Fragment：UNP residues 2-493	Not recorded	40F (1S,2S,5R,6S)-2-aminobicyclo[3.1.0]hexane-2,6-dicarboxylic acid × 2 SO4 SULFATE ION × 2 CL CHLORIDE ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；295 K；100mM MES pH 6 + 25% PEG 4K + 200mM Ammonium Sulfate	Resolution 2.21 Å R-free 0.225
4XAS mGluR2 ECD ligand complex Deposited 2014-12-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 2–493（492 aa） Fragment：UNP RESIDUES 2-493 Chain B 2–493（492 aa） Fragment：UNP RESIDUES 2-493	Not recorded	40H (1R,4S,5S,6S)-4-aminospiro[bicyclo[3.1.0]hexane-2,1'-cyclopropane]-4,6-dicarboxylic acid × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；295 K；100mM Sodium Acetate pH 4.6 + 23% PEG 10K	Resolution 2.35 Å R-free 0.280
5CNJ mGlur2 with glutamate analog Deposited 2015-07-17	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 2–493（492 aa） Fragment：UNP residues 2-493 Chain B 2–493（492 aa） Fragment：UNP residues 2-493	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 52Q (1R,2S,4R,5R,6R)-2-amino-4-(1H-1,2,4-triazol-3-ylsulfanyl)bicyclo[3.1.0]hexane-2,6-dicarboxylic acid × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；295 K；100mM Hepes pH 7 + 20% PEG 3350 + 200mM Magnesium Chloride	Resolution 2.65 Å R-free 0.241
5KZN Metabotropic Glutamate Receptor Deposited 2016-07-25	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–564（564 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；294 K；100mM Tris HCl pH 8.5,.5% PEG MME 5K, 800mM Potassium Sodium Tartrate	Resolution 2.80 Å R-free 0.249
5KZQ Metabotropic Glutamate Receptor in complex with antagonist (1~{S},2~{R},3~{S},4~{S},5~{R},6~{R})-2-azanyl-3-[[3,4-bis(fluoranyl)phenyl]sulfanylmethyl]-4-oxidanyl-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid Deposited 2016-07-25	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–564（564 aa）	Not recorded	6YS (1~{S},2~{R},3~{S},4~{S},5~{R},6~{R})-2-azanyl-3-[[3,4-bis(fluoranyl)phenyl]sulfanylmethyl]-4-oxidanyl-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；294 K；18% PEG 20,000, 100 mM L-proline	Resolution 2.80 Å R-free 0.245
7E9G Cryo-EM structure of Gi-bound metabotropic glutamate receptor mGlu2 Deposited 2021-03-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain R 19–825（807 aa） Chain S 19–825（807 aa）	Mutation：S601A Mutation：S601A	40F (1S,2S,5R,6S)-2-aminobicyclo[3.1.0]hexane-2,6-dicarboxylic acid × 2 HZR 1-butyl-3-chloranyl-4-(4-phenylpiperidin-1-yl)pyridin-2-one × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
7EPA Cryo-EM structure of inactive mGlu2 homodimer Deposited 2021-04-26	Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 19–825（807 aa） Chain B 19–825（807 aa）	Mutation：N655Y, H815Y Mutation：N655Y, H815Y	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
7EPB Cryo-EM structure of LY354740-bound mGlu2 homodimer Deposited 2021-04-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 19–825（807 aa） Chain B 19–825（807 aa）	Mutation：S601A Mutation：S601A	40F (1S,2S,5R,6S)-2-aminobicyclo[3.1.0]hexane-2,6-dicarboxylic acid × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
7EPD Cryo-EM structure of inactive mGlu2-7 heterodimer Deposited 2021-04-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 19–825（807 aa）	Mutation：N655Y,H815Y	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
7MTQ CryoEM Structure of Full-Length mGlu2 in Inactive-State Bound to Antagonist LY341495 Deposited 2021-05-13	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 18–872（855 aa） Chain B 18–872（855 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.65 Å
7MTR CryoEM Structure of Full-Length mGlu2 Bound to Ago-PAM ADX55164 and Glutamate Deposited 2021-05-13	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 18–872（855 aa） Chain B 18–872（855 aa）	Not recorded	GLU GLUTAMIC ACID × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ZQY 2-methoxy-6-propyl-N-(2-{4-[(1H-tetrazol-5-yl)methoxy]phenyl}ethyl)thieno[2,3-d]pyrimidin-4-amine × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
7MTS CryoEM Structure of mGlu2 - Gi Complex Deposited 2021-05-13	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 18–872（855 aa） Chain B 18–872（855 aa）	Not recorded	ZQY 2-methoxy-6-propyl-N-(2-{4-[(1H-tetrazol-5-yl)methoxy]phenyl}ethyl)thieno[2,3-d]pyrimidin-4-amine × 1 GLU GLUTAMIC ACID × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
8JCU Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of LY341495 (dimerization mode I) Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
8JCV Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of LY341495 (dimerization mode II) Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8JCW Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of LY341495 and NAM563 (dimerization mode I) Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2 CLR CHOLESTEROL × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8JCX Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of LY341495 and NAM563 (dimerization mode II) Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8JCY Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of LY341495, NAM563, and LY2389575 (dimerization mode I) Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2 CLR CHOLESTEROL × 7	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8JCZ Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of LY341495, NAM563, and LY2389575 (dimerization mode III) Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 Z99 2-[(1S,2S)-2-carboxycyclopropyl]-3-(9H-xanthen-9-yl)-D-alanine × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8JD0 Cryo-EM structure of mGlu2-mGlu3 heterodimer in presence of NAM563 Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 J9R 4-(1-methylpyrazol-4-yl)-7-[[(2~{S})-2-(trifluoromethyl)morpholin-4-yl]methyl]quinoline-2-carboxamide × 1 CLR CHOLESTEROL × 9 GLU GLUTAMIC ACID × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
8JD1 Cryo-EM structure of mGlu2-mGlu3 heterodimer in Rco state Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	GLU GLUTAMIC ACID × 2 CLR CHOLESTEROL × 7	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
8JD2 Cryo-EM structure of G protein-free mGlu2-mGlu3 heterodimer in Acc state Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	GLU GLUTAMIC ACID × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.80 Å
8JD3 Cryo-EM structure of Gi1-bound mGlu2-mGlu3 heterodimer Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain 2 19–872（854 aa）	Not recorded	HZR 1-butyl-3-chloranyl-4-(4-phenylpiperidin-1-yl)pyridin-2-one × 1 GLU GLUTAMIC ACID × 2 CLR CHOLESTEROL × 3 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
8JD4 Cryo-EM structure of G protein-free mGlu2-mGlu4 heterodimer in Acc state Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain 2 19–872（854 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 GLU GLUTAMIC ACID × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8JD5 Cryo-EM structure of Gi1-bound mGlu2-mGlu4 heterodimer Deposited 2023-05-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain 2 19–872（854 aa）	Not recorded	HZR 1-butyl-3-chloranyl-4-(4-phenylpiperidin-1-yl)pyridin-2-one × 1 GLU GLUTAMIC ACID × 2 CLR CHOLESTEROL × 5 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 BQI 5-methyl-N-(4-methylpyrimidin-2-yl)-4-(1H-pyrazol-4-yl)-1,3-thiazol-2-amine × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
8WG9 mGlu2-mGlu4 heterodimer bound mGlu4 agonist E7P Deposited 2023-09-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 19–872（854 aa）	Not recorded	E7P (2S)-2-amino-4-phosphonobutanoic acid × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.46 Å
8WGB mGlu2-4 heterodimer bound with Gi Deposited 2023-09-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: hexameric	Chain B 19–872（854 aa）	Not recorded	GLU GLUTAMIC ACID × 2 W9R (1R,2S)-2-[[3,5-bis(chloranyl)phenyl]carbamoyl]cyclohexane-1-carboxylic acid × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
8WGC heterodimer of mGlu2 and mGlu4 bound with mGlu2 agonist LY379268 Deposited 2023-09-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 19–872（854 aa）	Not recorded	W92 (1R,4R,5S,6R)-4-azanyl-2-oxabicyclo[3.1.0]hexane-4,6-dicarboxylic acid × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.95 Å
8WGD mGlu2-4 inactive heterodimer Deposited 2023-09-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 19–872（854 aa）	Not recorded	WAG (1S,2R)-2-[(2S)-2-azanyl-1-oxidanyl-1-oxidanylidene-3-(9H-xanthen-9-yl)propan-2-yl]cyclopropane-1-carboxylic acid × 1 WA6 (2S)-2-azanyl-2-cyclopropyl-2-(4-phosphonophenyl)ethanoic acid × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.45 Å

28 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	GRM2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–495； UniProt 2–493 Author chain B； PDBConstruct 4–495； UniProt 2–493

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	5cni
Deposition date deposition_date	2015-07-17
Structure title title	mGlu2 with Glutamate
Keywords keywords	receptor, glutamate, metabotropic, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier	30.37 Å
Radius of gyration Rg (electron density) rg_electron	29.33 Å
Forward intensity I(0) i0	153216000.00
Molecular weight molecular_weight	97595.0 kDa
Excluded volume excluded_volume	121760 Å³
Envelope volume envelope_volume	150450 Å³
Hydration-shell volume shell_volume	41468 Å³
Envelope diameter envelope_diameter	98.6 Å
Shell Rg shell_rg	37.61 Å
Envelope Rg envelope_rg	29.53 Å
Shape Rg shape_rg	29.34 Å
Total Rg total_rg	30.03 Å
Total atoms total_atoms	6892
Residues n_residues	876
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	94.2 Å
Rg (real space) rg_real	30.26 Å
Rg uncertainty (real space) rg_real_error	0.57 Å
I(0) (real space) i0_real	1.5320e+08
I(0) uncertainty (real space) i0_real_error	2.2470e+06
Rg (reciprocal space) rg_reciprocal	30.31 Å
I(0) (reciprocal space) i0_reciprocal	153200000.0000
Solution quality estimate total_estimate	0.9047
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	36.2 Å
Skewness Skewness skewness	0.216
Kurtosis Kurtosis kurtosis	-0.517
Angular range angular_range	— – 0.2600 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	51110000.0000
Real-space data points n_real_points	53
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.945; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.923

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	Metabotropic glutamate receptor 2
Molecular weight formula_weight	55712.8 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7131

MALGSLLALLALLLLWGAVAEGPAKKVLTLEGDLVLGGLFPVHQKGGPAEDCGPVNEHRGIQRLEAMLFALDRINRDPHLLPGVRLGAHILDSCSKDTHALEQALDFVRASLSRGADGSRHICPDGSYATHGDAPTAITGVIGGSYSDVSIQVANLLRLFQIPQISYASTSAKLSDKSRYDYFARTVPPDFFQAKAMAEILRFFNWTYVSTVASEGDYGETGIEAFELEARARNISVATSEKVGRAMSRAAFEGVVRALLQKPSARVAVLFTRSEDARELLAASQRLNASFTWVASDGWGALEEVVAGSEGAAEGAITIELASYPISDFASYFQSLDPWNNSRNPWFREFWEQRFRCSFRQRDCAAHSLRAVPFEQESKIMFVVNAVYAMAHALHNMHRALCPNTTRLCDAMRPVNGRRLYKDFVLNVKFDAPFRPADTHNEVRFDRFGDGIGRYNIFTYLRAGSGRYRYQKVGYWAEGLTLDTSLIPWASPSAGEGHHHHHH

来源 Source

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	Spodoptera frugiperda

Entity 2 Entity 2 non-polymer

Description description	GLUTAMIC ACID
Molecular weight formula_weight	147.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	4

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	239

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7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5cnia_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.93 — Periplasmic binding protein-like I
Superfamily Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
Family Family family	c.93.1.0 — automated matches

Domain ID domain_id	d5cnib_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.93 — Periplasmic binding protein-like I
Superfamily Superfamily superfamily	c.93.1 — Periplasmic binding protein-like I
Family Family family	c.93.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	5cniA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5cniA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5cniB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	5cniB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

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8. Citations (1)

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Unit-cell length a length_a	156.079 Å
Unit-cell length b length_b	79.332 Å
Unit-cell length c length_c	93.603 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	8

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.690 Å
Low-resolution limit resolution_low	35.660 Å
R factor r_factor	0.1699
R_work r_work	0.1682
R_free r_free	0.2221

fit	/app/data/saxs_computation/cn/5cni/5cni.fit
pddf	/app/data/pr_computation/cn/5cni/5cni.pr.out
profile	/app/data/saxs_computation/cn/5cni/5cni.dat

mGlu2 with Glutamate