Annotations: 7RHS

Cryo-EM structure of apo-state of human CNGA3/CNGB3 channel

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	4PPT_N	e7rhsD1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: 4PPT_N	ECOD (v295.2)
C	WD40	e7rhsC1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: WD40	ECOD (v295.2)
B	WD40	e7rhsB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: WD40	ECOD (v295.2)
A	4PPT_N	e7rhsA1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: 4PPT_N	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family
D	PF00027	Cyclic nucleotide-binding domain (cNMP_binding)	Cyclic nucleotide-binding domain	This domain sensor domain can bind cAMP, cGMP, c-di-GMP, oxygen and 2-oxoglutarate (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).	Domain
A, B, C	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family
A, B, C	PF16526	C-terminal leucine zipper domain of cyclic nucleotide-gated channels (CLZ)	C-terminal leucine zipper domain of cyclic nucleotide-gated channels	-	Coiled-coil
A, B, C	PF00027	Cyclic nucleotide-binding domain (cNMP_binding)	Cyclic nucleotide-binding domain	This domain sensor domain can bind cAMP, cGMP, c-di-GMP, oxygen and 2-oxoglutarate (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	Cyclic nucleotide-gated cation channel beta-3	monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly cyclic nucleotide-activated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity intracellularly cAMP-activated cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity ligand-gated monoatomic cation channel activity cyclic nucleotide-activated monoatomic ion channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly cyclic nucleotide-activated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity intracellularly cAMP-activated cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity ligand-gated monoatomic cation channel activity cyclic nucleotide-activated monoatomic ion channel activity transmembrane transporter activity guanyl nucleotide binding binding cyclic nucleotide binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding cGMP binding small molecule binding intracellularly cGMP-activated cation channel activity	multicellular organismal process sensory perception of light stimulus system process sensory perception nervous system process visual perception monoatomic cation transmembrane transport transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport multicellular organismal process sensory perception of light stimulus system process sensory perception nervous system process visual perception monoatomic cation transmembrane transport transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation signal transduction cell communication	protein-containing complex cellular anatomical structure transmembrane transporter complex membrane membrane protein complex transporter complex cell periphery plasma membrane intracellular cyclic nucleotide activated cation channel complex cation channel complex monoatomic ion channel complex membrane-bounded organelle non-motile cilium 9+0 non-motile cilium protein-containing complex cellular anatomical structure transmembrane transporter complex membrane membrane protein complex transporter complex cell periphery plasma membrane intracellular cyclic nucleotide activated cation channel complex cation channel complex monoatomic ion channel complex membrane-bounded organelle non-motile cilium 9+0 non-motile cilium cilium neuron projection photoreceptor outer segment plasma membrane bounded cell projection cell projection photoreceptor cell cilium organelle
A, B, C	Cyclic nucleotide-gated cation channel alpha-3	ligand-gated channel activity ligand-gated monoatomic ion channel activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity guanyl nucleotide binding binding cyclic nucleotide binding nucleotide binding guanyl ribonucleotide binding ligand-gated channel activity ligand-gated monoatomic ion channel activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity guanyl nucleotide binding binding cyclic nucleotide binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding cGMP binding small molecule binding cell adhesion molecule binding cadherin binding protein binding cytoskeletal protein binding myosin binding monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity intracellularly cyclic nucleotide-activated monoatomic cation channel activity monoatomic cation channel activity intracellularly cAMP-activated cation channel activity ligand-gated monoatomic cation channel activity cyclic nucleotide-activated monoatomic ion channel activity intracellularly cGMP-activated cation channel activity	transmembrane transport localization import into cell transport import across plasma membrane inorganic ion import across plasma membrane cellular process inorganic cation import across plasma membrane establishment of localization developmental process multicellular organismal process sensory organ development eye development animal organ development transmembrane transport localization import into cell transport import across plasma membrane inorganic ion import across plasma membrane cellular process inorganic cation import across plasma membrane establishment of localization developmental process multicellular organismal process sensory organ development eye development animal organ development retina development in camera-type eye visual system development multicellular organism development anatomical structure development camera-type eye development animal gross anatomical part developmental process sensory system development system development monoatomic ion transport monoatomic cation transport cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation signal transduction cell communication sensory perception of light stimulus system process sensory perception nervous system process visual perception monoatomic cation transmembrane transport monoatomic ion transmembrane transport response to chemical response to organophosphorus response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP response to metal ion response to magnesium ion	somatodendritic compartment cell body cellular anatomical structure perikaryon neuronal cell body cell periphery plasma membrane membrane glial cell projection cell projection plasma membrane bounded cell projection dendrite dendritic tree neuron projection somatodendritic compartment cell body cellular anatomical structure perikaryon neuronal cell body cell periphery plasma membrane membrane glial cell projection cell projection plasma membrane bounded cell projection dendrite dendritic tree neuron projection axon main axon axon initial segment protein-containing complex transmembrane transporter complex membrane protein complex transporter complex intracellular cyclic nucleotide activated cation channel complex cation channel complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D	IPR005821	Ion transport domain	Domain
D	IPR014710	PpnP-like, jelly roll fold	Homologous Superfamily
D	IPR000595	Cyclic nucleotide-binding domain	Domain
D	IPR018488	Cyclic nucleotide-binding, conserved site	Conserved Site
D	IPR050866	Cyclic nucleotide-gated cation channel	Family
D	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
A, B, C	IPR014710	PpnP-like, jelly roll fold	Homologous Superfamily
A, B, C	IPR018488	Cyclic nucleotide-binding, conserved site	Conserved Site
A, B, C	IPR050866	Cyclic nucleotide-gated cation channel	Family
A, B, C	IPR005821	Ion transport domain	Domain
A, B, C	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B, C	IPR032406	Cyclic nucleotide-gated channel, C-terminal leucine zipper domain	Domain
A, B, C	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
D	: Q9NQW8	achromatopsia achromatopsia 3 cone dystrophy macular degeneration Stargardt disease cone-rod dystrophy severe early-childhood-onset retinal dystrophy Retinal Dystrophy, Early Onset Severe retinitis pigmentosa blindness (disorder) retinal degeneration
A, B, C	: Q16281	achromatopsia achromatopsia 2 cone-rod dystrophy Leber congenital amaurosis cone dystrophy large cell medulloblastoma malignant ependymoma oligodendroglioma retinitis pigmentosa malignant glioma pituitary cancer blindness (disorder) glioblastoma malignant colon neoplasm medulloblastoma achromatopsia achromatopsia 2 cone-rod dystrophy Leber congenital amaurosis cone dystrophy large cell medulloblastoma malignant ependymoma oligodendroglioma retinitis pigmentosa malignant glioma pituitary cancer blindness (disorder) glioblastoma malignant colon neoplasm medulloblastoma primitive neuroectodermal tumor

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Cyclic nucleotide-gated ion channel

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	photoreceptor Cyclic-nucleotide-gated (CNGA3/B3) heterotetrameric channel, apo state