7LEP | pdb_00007lep

The composite LBD-TMD structure combined from all hippocampal AMPAR subtypes at 3.25 Angstrom resolution

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
G	SCOP2 Family	CACNG1-like	8103177	4006459	SCOP2 (2022-06-29)
G	SCOP2 Superfamily	Claudin-like	8103178	3002606	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H	PMP22_Claudin	e7lepH1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PMP22_Claudin	ECOD (1.6)
G	PMP22_Claudin	e7lepG1	A: alpha bundles	X: Bromodomain-like	H: Claudin (From Topology)	T: Claudin	F: PMP22_Claudin	ECOD (1.6)
C	Lig_chan	e7lepC2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Lig_chan	ECOD (1.6)
C	SBP_bac_3_1st	e7lepC1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_3_1st	ECOD (1.6)
D	Lig_chan	e7lepD1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Lig_chan	ECOD (1.6)
D	SBP_bac_3_1st	e7lepD2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_3_1st	ECOD (1.6)
B	Lig_chan	e7lepB1	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Lig_chan	ECOD (1.6)
B	SBP_bac_3_1st	e7lepB2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_3_1st	ECOD (1.6)
A	Lig_chan	e7lepA2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Lig_chan	ECOD (1.6)
A	SBP_bac_3_1st	e7lepA1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_3_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (utative)
G	1.20.140.150	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (utative)
D	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (utative)
B	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G, H	PF00822	PMP-22/EMP/MP20/Claudin family (PMP22_Claudin)	PMP-22/EMP/MP20/Claudin family	-	Family
E, F	PF03311	Cornichon protein (Cornichon)	Cornichon protein	-	Family
B, D	PF00060	Ligand-gated ion channel (Lig_chan)	Ligand-gated ion channel	-	Family
B, D	PF10613	Ligated ion channel L-glutamate- and glycine-binding site (Lig_chan-Glu_bd)	Ligated ion channel L-glutamate- and glycine-binding site	This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF ...	This region, sometimes called the S1 domain, is the luminal domain just upstream of the first, M1, transmembrane region of transmembrane ion-channel proteins, and it binds L-glutamate and glycine [2]. It is found in association with Lig_chan, Pfam:PF00060.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G, H	Voltage-dependent calcium channel gamma-8 subunit	calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity channel regulator activity calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity channel regulator activity ion channel regulator activity calcium channel regulator activity molecular function regulator activity transporter regulator activity	regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality cellular response to stimulus regulation of localization regulation of cellular process response to stimulus signaling transport regulation of signaling receptor activity regulation of AMPA receptor activity regulation of transmembrane transporter activity regulation of signal transduction cell communication regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality cellular response to stimulus regulation of localization regulation of cellular process response to stimulus signaling transport regulation of signaling receptor activity regulation of AMPA receptor activity regulation of transmembrane transporter activity regulation of signal transduction cell communication regulation of transporter activity localization signal transduction regulation of monoatomic ion transmembrane transporter activity regulation of biological process regulation of signaling regulation of transport establishment of localization transmembrane transport regulation of molecular function regulation of transmembrane transport regulation of response to stimulus regulation of neurotransmitter receptor activity regulation of cell communication cellular process	protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex calcium channel complex monoatomic ion channel complex postsynaptic specialization membrane postsynaptic specialization synapse postsynaptic density membrane synaptic membrane postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region receptor complex AMPA glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex plasma membrane signaling receptor complex Schaffer collateral - CA1 synapse glutamatergic synapse
E, F	Protein cornichon homolog 2	channel regulator activity molecular function regulator activity transporter regulator activity	biological regulation regulation of biological quality regulation of membrane potential cellular response to stimulus regulation of localization regulation of cellular process response to stimulus signaling transport regulation of signaling receptor activity regulation of AMPA receptor activity regulation of transmembrane transporter activity regulation of signal transduction cell communication biological regulation regulation of biological quality regulation of membrane potential cellular response to stimulus regulation of localization regulation of cellular process response to stimulus signaling transport regulation of signaling receptor activity regulation of AMPA receptor activity regulation of transmembrane transporter activity regulation of signal transduction cell communication regulation of transporter activity localization signal transduction regulation of monoatomic ion transmembrane transporter activity regulation of biological process regulation of signaling regulation of transport establishment of localization transmembrane transport regulation of molecular function regulation of transmembrane transport regulation of response to stimulus regulation of neurotransmitter receptor activity regulation of cell communication cellular process vesicle-mediated transport cellular localization localization within membrane trans-synaptic signaling synaptic transmission, glutamatergic cell-cell signaling chemical synaptic transmission synaptic signaling anterograde trans-synaptic signaling	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane protein-containing complex plasma membrane protein complex membrane protein complex transporter complex cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane protein-containing complex plasma membrane protein complex membrane protein complex transporter complex receptor complex AMPA glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex somatodendritic compartment cell projection dendrite dendritic tree neuron projection dendritic shaft plasma membrane bounded cell projection neuron spine dendritic spine postsynaptic density neuron to neuron synapse postsynaptic specialization organelle asymmetric synapse membrane-bounded organelle intracellular anatomical structure organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane
C	Mix of AMPAR subunits (GluA1, GluA3, and GluAX)	-	-	-
B, D	Glutamate receptor 2	transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity AMPA glutamate receptor activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity transmembrane signaling receptor activity transporter activity glutamate receptor activity gated channel activity transmitter-gated monoatomic ion channel activity molecular transducer activity monoatomic ion channel activity glutamate-gated receptor activity neurotransmitter receptor activity ligand-gated channel activity AMPA glutamate receptor activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity transmembrane signaling receptor activity transporter activity glutamate receptor activity gated channel activity signaling receptor activity carboxylic acid transmembrane transporter activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity amino acid transmembrane transporter activity channel activity transmitter-gated channel activity monoatomic ion transmembrane transporter activity organic acid transmembrane transporter activity transmembrane transporter activity organic anion transmembrane transporter activity monoatomic cation transmembrane transporter activity monoatomic cation channel activity ligand-gated monoatomic cation channel activity excitatory extracellular ligand-gated monoatomic ion channel activity extracellularly glutamate-gated ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential postsynaptic neurotransmitter receptor activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential sodium channel activity kainate selective glutamate receptor activity potassium ion transmembrane transporter activity ligand-gated sodium channel activity sodium ion transmembrane transporter activity potassium channel activity metal ion transmembrane transporter activity	trans-synaptic signaling synaptic signaling regulation of biological process signaling anterograde trans-synaptic signaling biological regulation cell-cell signaling cellular process chemical synaptic transmission cell communication	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region somatodendritic compartment protein-containing complex plasma membrane protein complex membrane protein complex transporter complex receptor complex AMPA glutamate receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection glutamatergic synapse extracellular region perisynaptic space Schaffer collateral - CA1 synapse membrane-bounded organelle intracellular anatomical structure intracellular vesicle transport vesicle membrane endomembrane system intracellular organelle presynapse bounding membrane of organelle cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane vesicle transport vesicle exocytic vesicle membrane intracellular membrane-bounded organelle cytoplasmic vesicle membrane secretory vesicle cytoplasm organelle membrane exocytic vesicle endoplasmic reticulum
A	Mix of AMPAR subunits (GluA1, GluA3, and GluA4)	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G, H	IPR008372	Voltage-dependent calcium channel, gamma-8 subunit	Family
G, H	IPR051072	Voltage-dependent calcium channel gamma subunit	Family
G, H	IPR004031	PMP-22/EMP/MP20/Claudin	Family
G, H	IPR008368	Voltage-dependent calcium channel, gamma subunit	Family
E, F	IPR033466	Cornichon, conserved site	Conserved Site
E, F	IPR003377	Cornichon	Family
B, D	IPR001320	Ionotropic glutamate receptor, C-terminal	Domain
B, D	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
B, D	IPR019594	Ionotropic glutamate receptor, L-glutamate and glycine-binding domain	Domain
B, D	IPR015683	Ionotropic glutamate receptor	Family
B, D	IPR001508	Ionotropic glutamate receptor, metazoa	Family
B, D	IPR001828	Receptor, ligand binding region	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
B, D, E, F, G B, D, E, F, G, H	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Glutamate-gated Ion Channel (GIC) family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
B, D, E, F, G B, D, E, F, G, H	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
B, D, E, F, G B, D, E, F, G, H	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
B, D, E, F, G B, D, E, F, G, H	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	Glutamate receptor (AMPA-subtype), composite LBD-TMD structure combined from all hippocampal AMPAR subtypes

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.