8piv

Homomeric GluA2 flip R/G-unedited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 1

Method: ELECTRON MICROSCOPY D_max: 139.2 Å Quality: GOOD

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

Glutamate receptor

Rattus norvegicus

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 heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count	Chain A； UniProt 1–883 Chain B； UniProt 1–883 Chain C； UniProt 1–883 Chain D； UniProt 1–883	Not recorded	Voltage-dependent calcium channel gamma-2 subunit × 4 （Q71RJ2） PLM PALMITIC ACID × 7 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 5	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 3.46 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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence

UniProt name	G3V914_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–883； UniProt 1–883 Author chain B； PDBConstruct 1–883； UniProt 1–883 Author chain C； PDBConstruct 1–883； UniProt 1–883 Author chain D； PDBConstruct 1–883； UniProt 1–883

Voltage-dependent calcium channel gamma-2 subunit

Rattus norvegicus

UniProt Q71RJ2

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 heterocomplex Heteromer Protein × 8 PDB declaration: octameric（8） Consistent with protein copy count	Chain E； UniProt 1–323 Chain F； UniProt 1–323 Chain G； UniProt 1–323 Chain H； UniProt 1–323	Not recorded	Glutamate receptor × 4 （G3V914） PLM PALMITIC ACID × 7 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 5	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 3.46 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8PIV	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
5KK2 Architecture of fully occupied GluA2 AMPA receptor - TARP complex elucidated by single particle cryo-electron microscopy Deposited 2016-06-20	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.30 Å
5VOT Structure of AMPA receptor-TARP complex Deposited 2017-05-03	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.90 Å
5VOU Structure of AMPA receptor-TARP complex Deposited 2017-05-03	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.40 Å
5VOV Structure of AMPA receptor-TARP complex Deposited 2017-05-03	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.70 Å
6NJL Architecture and subunit arrangement of native AMPA receptors Deposited 2019-01-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: tetradecameric	Chain F 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.70 Å
6NJM Architecture and subunit arrangement of native AMPA receptors Deposited 2019-01-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: hexadecameric	Chain F 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.50 Å
6NJN Architecture and subunit arrangement of native AMPA receptors Deposited 2019-01-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 15 PDB declaration: pentadecameric	Chain F 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.50 Å
8C1R Resting state homomeric GluA2 F231A mutant AMPA receptor in complex with TARP gamma-2 Deposited 2022-12-21	Different construct Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 2–323（322 aa） Chain F 2–323（322 aa） Chain G 2–323（322 aa） Chain H 2–323（322 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4 PLM PALMITIC ACID × 7 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
8C1S Transmembrane domain of resting state homomeric GluA2 F231A mutant AMPA receptor in complex with TARP gamma 2 Deposited 2022-12-21	Different construct Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 2–323（322 aa） Chain F 2–323（322 aa） Chain G 2–323（322 aa） Chain H 2–323（322 aa）	Not recorded	PLM PALMITIC ACID × 6 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
8P3Q Homomeric GluA2 flip R/G-unedited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 3 Deposited 2023-05-18	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 7 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.95 Å
8P3S Homomeric GluA2 flip R/G-unedited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 2 Deposited 2023-05-18	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 7 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 5	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.95 Å
8P3X Homomeric GluA2 flip R/G-edited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 1 Deposited 2023-05-18	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.36 Å
8P3Y Homomeric GluA2 flip R/G-edited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 3 Deposited 2023-05-18	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.55 Å
8P3Z Homomeric GluA2 flip R/G-edited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 2 Deposited 2023-05-18	Different ligand/ion	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.46 Å
9E9D Structure of full length AMPA receptor GluA2 and auxiliary subunit TARP gamma-2 in complex with anti-miR 17 oligonucleotide RGLS4326 Deposited 2024-11-08	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 2–208（207 aa） Chain B 2–208（207 aa） Chain C 2–208（207 aa） Chain D 2–208（207 aa）	Not recorded	A1BX3 O-{[(1S,3S,4R,6S,7R)-7-{[(R)-{[(1R,3R,4R,6S,7R)-3-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-7-hydroxy-6-methyl-2,5-dioxabicyclo[2.2.1]heptan-1-yl]methoxy}(sulfanyl)phosphoryl]oxy}-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-6-methyl-2,5-dioxabicyclo[2.2.1]heptan-1-yl]methyl} O-[(2R,3S,4R,5S)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methoxy-2-methyloxolan-3-yl] hydrogen (R)-phosphorothioate × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.24 Å
9E9E Structure of AMPA receptor GluA2 and auxiliary subunit TARP gamma-2 (LBD-TMD) in complex with anti-miR 17 oligonucleotide RGLS4326 Deposited 2024-11-08	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 2–208（207 aa） Chain B 2–208（207 aa） Chain C 2–208（207 aa） Chain D 2–208（207 aa）	Mutation：N48D Mutation：N48D Mutation：N48D Mutation：N48D	A1BX3 O-{[(1S,3S,4R,6S,7R)-7-{[(R)-{[(1R,3R,4R,6S,7R)-3-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-7-hydroxy-6-methyl-2,5-dioxabicyclo[2.2.1]heptan-1-yl]methoxy}(sulfanyl)phosphoryl]oxy}-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-6-methyl-2,5-dioxabicyclo[2.2.1]heptan-1-yl]methyl} O-[(2R,3S,4R,5S)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methoxy-2-methyloxolan-3-yl] hydrogen (R)-phosphorothioate × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.24 Å
9HPC The TMD and the LBD region of the AMPAR complex GluA3- TARP gamma2 in the apo state. Deposited 2024-12-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 8 PDB declaration: octameric	Chain A 2–323（322 aa） Chain B 2–323（322 aa） Chain C 2–323（322 aa） Chain D 2–323（322 aa） Chain W 2–323（322 aa） Chain X 2–323（322 aa） Chain Y 2–323（322 aa） Chain Z 2–323（322 aa）	Mutation：R439G Mutation：R439G Mutation：R439G Mutation：R439G Mutation：R439G Mutation：R439G Mutation：R439G Mutation：R439G	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.59 Å
9HPE The NTD dimer and the interfacing LBD region of the AMPAR complex GluA3- TARP gamma2 in the apo state Deposited 2024-12-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric	Chain B 2–323（322 aa） Chain C 2–323（322 aa）	Mutation：R439G Mutation：R439G	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9HPF The NTD dimer and the interfacing LBD region of the AMPAR complex GluA3- TARP gamma2 in the desensitised state. Deposited 2024-12-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 2–323（322 aa） Chain B 2–323（322 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.77 Å
9HPG The NTD dimer and the interfacing LBD region of the AMPAR complex GluA3(R439G,R163I)- TARP gamma2 in the apo state. Deposited 2024-12-12	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric	Chain B 2–323（322 aa） Chain C 2–323（322 aa）	Mutation：R439G,R163I Mutation：R439G,R163I	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.35 Å
9HPK Open state TMD-LBD of the GluA3(R439G) with TARP gamma2 Deposited 2024-12-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 8 PDB declaration: octameric	Chain A 2–323（322 aa） Chain B 2–323（322 aa） Chain C 2–323（322 aa） Chain D 2–323（322 aa） Chain W 2–323（322 aa） Chain X 2–323（322 aa） Chain Y 2–323（322 aa） Chain Z 2–323（322 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.59 Å
9NR7 The structure of GluA1/A4 LBD-TMD in Noelin-AMPAR complex Deposited 2025-03-14	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain F 5–208（204 aa） Chain H 5–208（204 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.18 Å
9NR9 The structure of GluA1/A4 LBD-TMD with 2 TARPs Deposited 2025-03-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain F 5–208（204 aa） Chain H 5–208（204 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.22 Å
9NRA The structure of GluA1/A4 LBD-TMD with 4 auxiliary subunits Deposited 2025-03-14	Different construct Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain F 5–208（204 aa） Chain H 5–208（204 aa）	Not recorded	ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.18 Å
9QDN GluA4 in complex with TARP-2, resting state I, structure of TMD/LBD Deposited 2025-03-06	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 16 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4 E2Q 6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.71 Å
9QFH The composite map of of the AMPAR complex GluA3- TARP gamma2 in the apo state. Deposited 2025-03-11	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 8 PDB declaration: octameric	Chain A 2–323（322 aa） Chain B 2–323（322 aa） Chain C 2–323（322 aa） Chain D 2–323（322 aa） Chain W 2–323（322 aa） Chain X 2–323（322 aa） Chain Y 2–323（322 aa） Chain Z 2–323（322 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9RMS GluA4 in complex with TARP-2, Resting II state, structure of TMD/LBD domains Deposited 2025-06-18	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	E2Q 6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
9RMW GluA4 in complex with TARP-2, open state, structure of TMD/LBD domains Deposited 2025-06-18	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 18 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 2 CYZ CYCLOTHIAZIDE × 4 GLU GLUTAMIC ACID × 4 CA CALCIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9RN4 GluA4 in complex with TARP-2, desensitized state, structure of TMD/LBD domains Deposited 2025-06-19	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 4 CA CALCIUM ION × 1 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
9RN7 GluA4 in complex with TARP-2, Desensitized state, structure of TMD domain Deposited 2025-06-19	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 4 CA CALCIUM ION × 1 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9RNH GluA4 in complex with TARP-2, Resting II state, structure of TMD domain Deposited 2025-06-19	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain E 1–323（323 aa） Chain F 1–323（323 aa） Chain G 1–323（323 aa） Chain H 1–323（323 aa）	Not recorded	PLM PALMITIC ACID × 2 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å

31 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	CCG2_RAT
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain E； PDBConstruct 1–323； UniProt 1–323 Author chain F； PDBConstruct 1–323； UniProt 1–323 Author chain G； PDBConstruct 1–323； UniProt 1–323 Author chain H； PDBConstruct 1–323； UniProt 1–323

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.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8piv
Deposition date deposition_date	2023-06-22
Structure title title	Homomeric GluA2 flip R/G-unedited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 1
Keywords keywords	AMPAR, ion channels, neurotransmission, 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	46.05 Å
Radius of gyration Rg (electron density) rg_electron	45.10 Å
Forward intensity I(0) i0	818988000.00
Molecular weight molecular_weight	255900.0 kDa
Excluded volume excluded_volume	328010 Å³
Envelope volume envelope_volume	462960 Å³
Hydration-shell volume shell_volume	83938 Å³
Envelope diameter envelope_diameter	146.4 Å
Shell Rg shell_rg	51.48 Å
Envelope Rg envelope_rg	43.63 Å
Shape Rg shape_rg	45.09 Å
Total Rg total_rg	45.41 Å
Total atoms total_atoms	18017
Residues n_residues	2293
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	139.2 Å
Rg (real space) rg_real	45.75 Å
Rg uncertainty (real space) rg_real_error	0.79 Å
I(0) (real space) i0_real	8.1900e+08
I(0) uncertainty (real space) i0_real_error	1.4910e+07
Rg (reciprocal space) rg_reciprocal	46.05 Å
I(0) (reciprocal space) i0_reciprocal	819300000.0000
Solution quality estimate total_estimate	0.8744
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	57.3 Å
Skewness Skewness skewness	0.094
Kurtosis Kurtosis kurtosis	-0.470
Angular range angular_range	— – 0.1700 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	45860000.0000
Real-space data points n_real_points	35
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: 0.967; Smooth: 0.560

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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	Glutamate receptor
Molecular weight formula_weight	98984.1 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	18089

MQKIMHISVLLSPVLWGLIFGVSSNSIQIGGLFPRGADQEYSAFRVGMVQFSTSEFRLTPHIDNLEVANSFAVTNAFCSQFSRGVYAIFGFYDKKSVNTITSFCGTLHVSFITPSFPTDGTHPFVIQMRPDLKGALLSLIEYYQWDKFAYLYDSDRGLSTLQAVLDSAAEKKWQVTAINVGNINNDKKDETYRSLFQDLELKKERRVILDCERDKVNDIVDQVITIGKHVKGYHYIIANLGFTDGDLLKIQFGGANVSGFQIVDYDDSLVSKFIERWSTLEEKEYPGAHTATIKYTSALTYDAVQVMTEAFRNLRKQRIEISRRGNAGDCLANPAVPWGQGVEIERALKQVQVEGLSGNIKFDQNGKRINYTINIMELKTNGPRKIGYWSEVDKMVVTLTELPSGNDTSGLENKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVYGKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKPQKSKPGVFSFLDPLAYEIWMCIVFAYIGVSVVLFLVSRFSPYEWHTEEFEDGRETQSSESTNEFGIFNSLWFSLGAFMRQGCDISPRSLSGRIVGGVWWFFTLIIISSYTANLAAFLTVERMVSPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWTYMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLRTPVNLAVLKLSEQGVLDKLKNKWWYDKGECGAKDSGSKEKTSALSLSNVAGVFYILVGGLGLAMLVALIEFCYKSRAEAKRMKVAKNPQNINPSSSQNSQNFATYKEGYNVYGIESVKI

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI Class编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	Voltage-dependent calcium channel gamma-2 subunit
Molecular weight formula_weight	35882.7 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,F,G,H

MGLFDRGVQMLLTTVGAFAAFSLMTIAVGTDYWLYSRGVCKTKSVSENETSKKNEEVMTHSGLWRTCCLEGNFKGLCKQIDHFPEDADYEADTAEYFLRAVRASSIFPILSVILLFMGGLCIAASEFYKTRHNIILSAGIFFVSAGLSNIIGIIVYISANAGDPSKSDSKKNSYSYGWSFYFGALSFIIAEMVGVLAVHMFIDRHKQLTATARATDYLQASAITRIPSYRYRYQRRSRSSSRSTEPSHSRDASPVGVKGFNTLPSTEISMYTLSRDPLKAATTPTATYNSDRDNSFLQVHNCIQKDSKDSLHANTANRRTTPV

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI Class编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Homo sapiens

Entity 3 Entity 3 non-polymer

Description description	PALMITIC ACID
Molecular weight formula_weight	256.4 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 4 Entity 4 non-polymer

Description description	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate
Molecular weight formula_weight	356.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
Molecular weight formula_weight	760.1 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	6

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7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	8pivE01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
Homologous superfamily homologous superfamily	150 —

Domain ID domain_id	8pivF01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
Homologous superfamily homologous superfamily	150 —

Domain ID domain_id	8pivG01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
Homologous superfamily homologous superfamily	150 —

Domain ID domain_id	8pivH01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
Homologous superfamily homologous superfamily	150 —

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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	3.460 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	3.46 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	55495

fit	/app/data/saxs_computation/pi/8piv/8piv.fit
pddf	/app/data/pr_computation/pi/8piv/8piv.pr.out
profile	/app/data/saxs_computation/pi/8piv/8piv.dat

Homomeric GluA2 flip R/G-unedited Q/R-edited F231A mutant in tandem with TARP gamma-2, desensitized conformation 1

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

Glutamate receptor

State in the Current Structure

Other States of the Same Protein in the Database

Voltage-dependent calcium channel gamma-2 subunit

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

Refinement Refinement

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)