Annotations: 7W7G

Structure of Mammalian NALCN-FAM155A-UNC79-UNC80 quanternary complex

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	MIF4G	e7w7gC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: MIF4G	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF00520	Ion transport protein (Ion_trans)	Ion transport protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	Transmembrane protein FAM155A	-	import into cell calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport import across plasma membrane establishment of localization inorganic cation import across plasma membrane calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization calcium ion import across plasma membrane inorganic ion import across plasma membrane monoatomic ion transport import into cell calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport import across plasma membrane establishment of localization inorganic cation import across plasma membrane calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization calcium ion import across plasma membrane inorganic ion import across plasma membrane monoatomic ion transport cellular process calcium ion import calcium ion import into cytosol monoatomic cation transport calcium ion transmembrane transport multicellular organismal process regulation of action potential regulation of biological process system process regulation of cellular process nervous system process regulation of system process biological regulation action potential transmission of nerve impulse cell communication regulation of nervous system process neuronal action potential regulation of transmission of nerve impulse regulation of cell communication regulation of multicellular organismal process regulation of biological quality regulation of neuronal action potential regulation of membrane potential sodium ion transmembrane transport sodium ion transport	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane protein complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex
C	Sodium leak channel non-selective protein	passive transmembrane transporter activity narrow pore channel activity leak channel activity channel activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity voltage-gated sodium channel activity monoatomic ion channel activity sodium channel activity sodium ion transmembrane transporter activity monoatomic cation channel activity monoatomic ion transmembrane transporter activity metal ion transmembrane transporter activity	transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport calcium ion transmembrane transport multicellular organismal process regulation of action potential transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport cellular process monoatomic cation transport calcium ion transmembrane transport multicellular organismal process regulation of action potential regulation of biological process system process regulation of cellular process nervous system process regulation of system process biological regulation action potential transmission of nerve impulse cell communication regulation of nervous system process neuronal action potential regulation of transmission of nerve impulse regulation of cell communication regulation of multicellular organismal process regulation of biological quality regulation of neuronal action potential regulation of membrane potential potassium ion transmembrane transport potassium ion transport regulation of resting membrane potential positive regulation of cell communication signaling modulation of chemical synaptic transmission positive regulation of synaptic transmission, GABAergic positive regulation of biological process synaptic signaling positive regulation of cellular process trans-synaptic signaling regulation of signaling synaptic transmission, GABAergic positive regulation of synaptic transmission cell-cell signaling chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling positive regulation of signaling regulation of synaptic transmission, GABAergic positive regulation of synaptic transmission, cholinergic synaptic transmission, cholinergic regulation of synaptic transmission, cholinergic sodium ion transmembrane transport sodium ion transport	protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane plasma membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex monoatomic ion channel complex
B	Protein unc-80 homolog	monoatomic cation transmembrane transporter activity monoatomic cation channel activity passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity	multicellular organismal process regulation of action potential regulation of biological process system process regulation of cellular process nervous system process regulation of system process biological regulation action potential transmission of nerve impulse cell communication regulation of nervous system process neuronal action potential regulation of transmission of nerve impulse regulation of cell communication multicellular organismal process regulation of action potential regulation of biological process system process regulation of cellular process nervous system process regulation of system process biological regulation action potential transmission of nerve impulse cell communication regulation of nervous system process neuronal action potential regulation of transmission of nerve impulse regulation of cell communication cellular process regulation of multicellular organismal process regulation of biological quality regulation of neuronal action potential regulation of membrane potential chemical homeostasis homeostatic process monoatomic ion homeostasis monoatomic cation homeostasis transport monoatomic ion transmembrane transport sodium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport monoatomic cation transport sodium ion transport	protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane plasma membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex monoatomic ion channel complex axon protein-containing complex sodium channel complex voltage-gated sodium channel complex plasma membrane protein complex membrane plasma membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex monoatomic ion channel complex axon cell projection neuron projection plasma membrane bounded cell projection somatodendritic compartment dendrite dendritic tree
A	Protein unc-79 homolog	cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D	IPR055288	NALCN channel auxiliary factor 1/2	Family
C	IPR005821	Ion transport domain	Domain
C	IPR028823	Sodium leak channel NALCN	Family
C	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily
B	IPR046460	Protein UNC80, C-terminal	Domain
B	IPR045852	Protein UNC80, central region	Domain
B	IPR031542	Cation channel complex component UNC80, N-terminal	Domain
A	IPR059253	Protein unc-79 homolog, N-terminal	Domain
A	IPR024855	UNC79	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
B, C, D	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Sodium leak channel NALCN

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.