6L6P

hASIC2a co-crystallized with Mamb-1

External Resource: Annotation

Domain Annotation: SCOP2 Classification
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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Acid-sensing ion channel, ASIC-like	8048339	4006059	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Proton-activated chloride channel, extracellular domain-like	8106424	3002853	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ASICs transmembrane helices-like	8106440	3002854	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Proton-activated chloride channel, extracellular domain-like	8106424	3002853	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ASICs transmembrane helices-like	8106440	3002854	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	ASICs transmembrane helices-like	8106440	3002854	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Proton-activated chloride channel, extracellular domain-like	8106424	3002853	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ASC	e6l6pA1	A: beta sandwiches	X: Amiloride-sensitive cation channel 2 (From Topology)	H: Amiloride-sensitive cation channel 2 (From Topology)	T: Amiloride-sensitive cation channel 2	F: ASC	ECOD (1.6)
B	ASC	e6l6pB1	A: beta sandwiches	X: Amiloride-sensitive cation channel 2 (From Topology)	H: Amiloride-sensitive cation channel 2 (From Topology)	T: Amiloride-sensitive cation channel 2	F: ASC	ECOD (1.6)
C	ASC	e6l6pC1	A: beta sandwiches	X: Amiloride-sensitive cation channel 2 (From Topology)	H: Amiloride-sensitive cation channel 2 (From Topology)	T: Amiloride-sensitive cation channel 2	F: ASC	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00858	Amiloride-sensitive sodium channel (ASC)	Amiloride-sensitive sodium channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Acid-sensing ion channel 2	monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity ligand-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity ligand-gated sodium channel activity sodium channel activity sodium ion transmembrane transporter activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive 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 ligand-gated monoatomic cation channel activity transmembrane transporter activity monoatomic ion-gated channel activity voltage-gated sodium channel activity	positive regulation of nervous system development multicellular organismal process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization regulation of developmental process positive regulation of biological process regulation of nervous system development positive regulation of developmental process cellular component organization cellular component biogenesis multicellular organism development cellular component assembly cell junction assembly anatomical structure development positive regulation of nervous system development multicellular organismal process positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization regulation of developmental process positive regulation of biological process regulation of nervous system development positive regulation of developmental process cellular component organization cellular component biogenesis multicellular organism development cellular component assembly cell junction assembly anatomical structure development regulation of multicellular organismal process regulation of synapse structure or activity synapse organization cellular component organization or biogenesis regulation of synapse assembly regulation of biological quality positive regulation of cellular process system development developmental process regulation of multicellular organismal development regulation of biological process positive regulation of cellular component biogenesis biological regulation nervous system development regulation of cellular component biogenesis regulation of cell junction assembly positive regulation of cell junction assembly regulation of synapse organization cell junction organization positive regulation of multicellular organismal process cellular process synapse assembly positive regulation of synapse assembly central nervous system development system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste sensory perception of sour taste negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death cellular response to stimulus response to stimulus response to pH cellular response to pH response to abiotic stimulus cellular response to acidic pH cellular response to abiotic stimulus response to acidic pH cellular response to environmental stimulus protein localization localization cellular localization protein localization to synapse cellular macromolecule localization macromolecule localization protein localization to cell junction regulation of tube diameter regulation of tube size regulation of system process circulatory system process regulation of blood circulation regulation of vasoconstriction vascular process in circulatory system blood vessel diameter maintenance blood circulation vasoconstriction regulation of anatomical structure size transmembrane transport transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport establishment of localization in cell monoatomic ion transmembrane transport sodium ion transmembrane transport metal ion transport monoatomic cation transmembrane transport monoatomic ion transport monoatomic cation transport sodium ion transport regulation of blood pressure regulation of systemic arterial blood pressure by baroreceptor feedback regulation of systemic arterial blood pressure regulation of systemic arterial blood pressure by aortic arch baroreceptor feedback nervous system process involved in regulation of systemic arterial blood pressure regulation of membrane potential peripheral nervous system development sensory perception of sound sensory perception of mechanical stimulus trans-synaptic signaling synaptic signaling signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission cell communication phototransduction detection of light stimulus response to light stimulus detection of external stimulus response to external stimulus detection of abiotic stimulus detection of stimulus response to radiation signal transduction regulation of localization regulation of transport regulation of monoatomic ion transport regulation of monoatomic ion transmembrane transport regulation of transmembrane transport cellular response to chemical stimulus response to chemical cellular response to xenobiotic stimulus response to xenobiotic stimulus response to mechanical stimulus detection of mechanical stimulus involved in sensory perception detection of mechanical stimulus detection of stimulus involved in sensory perception	cell periphery plasma membrane membrane cellular anatomical entity neuron spine synapse neuron projection dendritic spine plasma membrane bounded cell projection somatodendritic compartment cell projection postsynapse cell junction dendrite cell periphery plasma membrane membrane cellular anatomical entity neuron spine synapse neuron projection dendritic spine plasma membrane bounded cell projection somatodendritic compartment cell projection postsynapse cell junction dendrite dendritic tree cell body neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR020903	Epithelial sodium channel, conserved site	Conserved Site
A, B, C	IPR004724	Epithelial sodium channel, chordates	Family
A, B, C	IPR001873	Epithelial sodium channel	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C	Pharos: Q16515	Inflammation astrocytic tumor glioblastoma large cell medulloblastoma medulloblastoma psoriasis atypical teratoid rhabdoid tumor Crohn disease malignant ependymoma oligodendroglioma subependymal giant cell astrocytoma autism endogenous depression inflammatory bowel disease malignant glioma Inflammation astrocytic tumor glioblastoma large cell medulloblastoma medulloblastoma psoriasis atypical teratoid rhabdoid tumor Crohn disease malignant ependymoma oligodendroglioma subependymal giant cell astrocytoma autism endogenous depression inflammatory bowel disease malignant glioma primitive neuroectodermal tumor

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C	OPM	Transmembrane	Alpha-helical polytopic	ENaC/P2X	Acid-sensing ion channels

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

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.