7oca

Resting state full-length GluA1/A2 heterotertramer in complex with TARP gamma 8 and CNIH2

Method: ELECTRON MICROSCOPY

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

Glutamate receptor 1

Rattus norvegicus

UniProt P19490

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 其他Polymer 6	Glutamate receptor 2 × 2 （P19491） Protein cornichon homolog 2 × 2 （Q5BJU5） Voltage-dependent calcium channel gamma-8 subunit × 2 （Q8VHW5） beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 46 CHOLESTEROL × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GRIA1_RAT
Isoform	P19490-2
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–915； UniProt 1–907 Author chain C； PDBConstruct 1–915； UniProt 1–907

Glutamate receptor 2

Rattus norvegicus

UniProt P19491

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 其他Polymer 6	Glutamate receptor 1 × 2 （P19490） Protein cornichon homolog 2 × 2 （Q5BJU5） Voltage-dependent calcium channel gamma-8 subunit × 2 （Q8VHW5） beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 46 CHOLESTEROL × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GRIA2_RAT
Isoform	P19491-2
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–860； UniProt 1–860 Author chain D； PDBConstruct 1–860； UniProt 1–860

Protein cornichon homolog 2

Rattus norvegicus

UniProt Q5BJU5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 其他Polymer 6	Glutamate receptor 1 × 2 （P19490） Glutamate receptor 2 × 2 （P19491） Voltage-dependent calcium channel gamma-8 subunit × 2 （Q8VHW5） beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 46 CHOLESTEROL × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CNIH2_RAT
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain E； PDBConstruct 1–160； UniProt 1–160 Author chain G； PDBConstruct 1–160； UniProt 1–160

Voltage-dependent calcium channel gamma-8 subunit

Rattus norvegicus

UniProt Q8VHW5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 其他Polymer 6	Glutamate receptor 1 × 2 （P19490） Glutamate receptor 2 × 2 （P19491） Protein cornichon homolog 2 × 2 （Q5BJU5） beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide × 4 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 46 CHOLESTEROL × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CCG8_RAT
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain I； PDBConstruct 2–417； UniProt 2–417 Author chain J； PDBConstruct 2–417； UniProt 2–417

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	7oca
Deposition date deposition_date	2021-04-26
Structure title title	Resting state full-length GluA1/A2 heterotertramer in complex with TARP gamma 8 and CNIH2
Keywords keywords	AMPAR, ion channels, neurotransmission, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

7oca__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

7oca__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7oca__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	67.53 Å
Rg (electron density)	68.14 Å
Total Rg	67.88 Å
Atom count	29294
Residues	3802
Excluded volume	530460 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7oca__assembly_1__model_1`	octameric （8）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Description description	Glutamate receptor 1
Molecular weight formula_weight	102661.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	29294

MPYIFAFFCTGFLGAVVGADYKDDDDKNFPNNIQIGGLFPNQQSQEHAAFRFALSQLTEPPKLLPQIDIVNISDSFEMTYRFCSQFSKGVYAIFGFYERRTVNMLTSFCGALHVCFITPSFPVDTSNQFVLQLRPELQEALISIIDHYKWQTFVYIYDADRGLSVLQRVLDTAAEKNWQVTAVNILTTTEEGYRMLFQDLEKKKERLVVVDCESERLNAILGQIVKLEKNGIGYHYILANLGFMDIDLNKFKESGANVTGFQLVNYTDTIPARIMQQWRTSDSRDHTRVDWKRPKYTSALTYDGVKVMAEAFQSLRRQRIDISRRGNAGDCLANPAVPWGQGIDIQRALQQVRFEGLTGNVQFNEKGRRTNYTLHVIEMKHDGIRKIGYWNEDDKFVPAATDAQAGGDNSSVQNRTYIVTTILEDPYVMLKKNANQFEGNDRYEGYCVELAAEIAKHVGYSYRLEIVSDGKYGARDPDTKAWNGMVGELVYGRADVAVAPLTITLVREEVIDFSKPFMSLGISIMIKKPQKSKPGVFSFLDPLAYEIWMCIVFAYIGVSVVLFLVSRFSPYEWHSEEFEEGRDQTTSDQSNEFGIFNSLWFSLGAFMQQGCDISPRSLSGRIVGGVWWFFTLIIISSYTANLAAFLTVERMVSPIESAEDLAKQTEIAYGTLEAGSTKEFFRRSKIAVFEKMWTYMKSAEPSVFVRTTEEGMIRVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSALRGPVNLAVLKLSEQGVLDKLKSKWWYDKGECGSKDSGSKDKTSALSLSNVAGVFYILIGGLGLAMLVALIEFCYKSRSESKRMKGFCLIPQQSINEAIRTSTLPRNSGAGASGGGGSGENGRVVSQDFPKSMQSIPCMSHSSGMPLGATGL

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	Glutamate receptor 2
Molecular weight formula_weight	96247.1 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D

MQKIMHISVLLSPVLWGLIFGVSSNSIQIGGLFPRGADQEYSAFRVGMVQFSTSEFRLTPHIDNLEVANSFAVTNAFCSQFSRGVYAIFGFYDKKSVNTITSFCGTLHVSFITPSFPTDGTHPFVIQMRPDLKGALLSLIEYYQWDKFAYLYDSDRGLSTLQAVLDSAAEKKWQVTAINVGNINNDKKDETYRSLFQDLELKKERRVILDCERDKVNDIVDQVITIGKHVKGYHYIIANLGFTDGDLLKIQFGGANVSGFQIVDYDDSLVSKFIERWSTLEEKEYPGAHTATIKYTSALTYDAVQVMTEAFRNLRKQRIEISRRGNAGDCLANPAVPWGQGVEIERALKQVQVEGLSGNIKFDQNGKRINYTINIMELKTNGPRKIGYWSEVDKMVVTLTELPSGNDTSGLENKTVVVTTILESPYVMMKKNHEMLEGNERYEGYCVDLAAEIAKHCGFKYKLTIVGDGKYGARDADTKIWNGMVGELVYGKADIAIAPLTITLVREEVIDFSKPFMSLGISIMIKKPQKSKPGVFSFLDPLAYEIWMCIVFAYIGVSVVLFLVSRFSPYEWHTEEFEDGRETQSSESTNEFGIFNSLWFSLGAFMRQGCDISPRSLSGRIVGGVWWFFTLIIISSYTANLAAFLTVERMVSPIESAEDLSKQTEIAYGTLDSGSTKEFFRRSKIAVFDKMWTYMRSAEPSVFVRTTAEGVARVRKSKGKYAYLLESTMNEYIEQRKPCDTMKVGGNLDSKGYGIATPKGSSLGTPVNLAVLKLSEQGVLDKLKNKWWYDKGECGAKDSGSKEKTSALSLSNVAGVFYILVGGLGLAMLVALIEFCYKSRAEAKRMKVAKNPQNINPSSS

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Homo sapiens

Entity 3 Entity 3 polymer

Description description	Protein cornichon homolog 2
Molecular weight formula_weight	22000.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MAFTFAAFCYMLTLVLCASLIFFVIWHIIAFDELRTDFKNPIDQGNPARARERLKNIERICCLLRKLVVPEYSIHGLFCLMFLCAAEWVTLGLNIPLLFYHLWRYFHRPADGSEVMYDAVSIMNADILNYCQKESWCKLAFYLLSFFYYLYSMVYTLVSFENLYFQSGGSTETSQVAPAYPYDVPDYA

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Homo sapiens

Entity 4 Entity 4 polymer

Description description	Voltage-dependent calcium channel gamma-8 subunit
Molecular weight formula_weight	43576.0 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,J

GESLKRWNEERGLWCEKGVQVLLTTIGAFAAFGLMTIAISTDYWLYTRALICNTTNLTAGDDGPPHRGGSGSSEKKDPGGLTHSGLWRICCLEGLKRGVCVKINHFPEDTDYDHDSAEYLLRVVRASSIFPILSAILLLLGGVCVAASRVYKSKRNIILGAGILFVAAGLSNIIGVIVYISANAGEPGPKRDEEKKNHYSYGWSFYFGGLSFILAEVIGVLAVNIYIERSREAHCQSRSDLLKAGGGAGGSGGSGPSAILRLPSYRFRYRRRSRSSSRGSSEASPSRDASPGGPGGPGFASTDISMYTLSRDPSKGSVAAGLASAGGGGGGAGVGAYGGAAGAAGGGGTGSERDRGSSAGFLTLHNAFPKEAASGVTVTVTGPPAAPAPAPPAPAAPAPGTLSKEAAASNTNTLNRKLEVLFQ

Source Source

Source organism organism	Rattus norvegicus
Common name common_name	Norway rat
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	Homo sapiens

Entity 5 Entity 5 branched

Description description	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	586.5 kDa
Source method src_method	man
Copy count entity_count	2

Entity 6 Entity 6 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	4

Entity 7 Entity 7 non-polymer

Description description	6-nitro-2,3-bis(oxidanylidene)-1,4-dihydrobenzo[f]quinoxaline-7-sulfonamide
Molecular weight formula_weight	336.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 8 Entity 8 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 9 Entity 9 non-polymer

Description description	1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Molecular weight formula_weight	790.1 kDa
Source method src_method	syn
Copy count entity_count	46

Entity 10 Entity 10 non-polymer

Description description	CHOLESTEROL
Molecular weight formula_weight	386.7 kDa
Source method src_method	syn
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	7ocaI01
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	7ocaJ01
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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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	3.40 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	218320

Resting state full-length GluA1/A2 heterotertramer in complex with TARP gamma 8 and CNIH2

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

Glutamate receptor 1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Glutamate receptor 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Protein cornichon homolog 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Voltage-dependent calcium channel gamma-8 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

7oca__assembly_1__model_1

7oca__assembly_1__model_1 | I(q)

7oca__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (10)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source

Entity 5 Entity 5 branched

Entity 6 Entity 6 branched

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)