Annotations: 9M8S

Cryo-EM structure of the human TRPA1 ion channel in ligand-free state.

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	LSDAT_euk	e9m8sD1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: LSDAT_euk	ECOD (v295.2)
C	LSDAT_euk	e9m8sC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: LSDAT_euk	ECOD (v295.2)
B [auth A]	LSDAT_euk	e9m8sA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: LSDAT_euk	ECOD (v295.2)
A [auth B]	LSDAT_euk	e9m8sB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: LSDAT_euk	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A], C, D	PF00023	Ankyrin repeat (Ank)	Ankyrin repeat	-	Repeat
A [auth B], B [auth A], C, D	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
A [auth B], B [auth A], C, D	Transient receptor potential cation channel subfamily A member 1	calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity channel activity ligand-gated calcium channel activity monoatomic ion transmembrane transporter activity transporter activity calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity channel activity ligand-gated calcium channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity voltage-gated calcium channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity temperature-gated ion channel activity temperature-gated cation channel activity molecular transducer activity molecular sensor activity signaling receptor activity osmolarity-sensing monoatomic cation channel activity transmembrane signaling receptor activity molecular function regulator activity osmosensor activity identical protein binding protein binding binding	cellular response to food cellular response to stimulus response to nutrient levels cellular response to chemical stimulus response to stimulus response to food response to chemical cellular process multicellular organismal process regulation of action potential regulation of biological process system process regulation of cellular process nervous system process cellular response to food cellular response to stimulus response to nutrient levels cellular response to chemical stimulus response to stimulus response to food response to chemical cellular process 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 response to stress response to abiotic stimulus response to cold response to temperature stimulus localization transport monoatomic ion transport establishment of localization cellular response to heat cellular response to stress response to heat thermoception sensory perception sensory perception of temperature stimulus protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis sensory perception of pain detection of stimulus sensory perception of chemical stimulus detection of chemical stimulus detection of chemical stimulus involved in sensory perception of pain detection of stimulus involved in sensory perception detection of chemical stimulus involved in sensory perception cellular response to nitrogen compound cellular response to caffeine response to nitrogen compound response to purine-containing compound response to alkaloid cellular response to alkaloid cellular response to purine-containing compound response to caffeine inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of blood circulation circulatory system process blood circulation regulation of localization regulation of transport regulation of monoatomic ion transport positive regulation of biological process positive regulation of monoatomic anion transport positive regulation of transport positive regulation of monoatomic ion transport monoatomic anion transport regulation of monoatomic anion transport monoatomic ion transmembrane transport calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport monoatomic cation transport calcium ion transmembrane transport cellular response to oxidative stress response to oxygen-containing compound cellular response to chemical stress cellular response to oxygen-containing compound cellular response to hydrogen peroxide response to reactive oxygen species response to hydrogen peroxide response to oxidative stress cellular response to reactive oxygen species positive regulation of cell communication establishment of protein localization nitrogen compound transport positive regulation of establishment of protein localization carbohydrate homeostasis establishment of localization in cell positive regulation of insulin secretion involved in cellular response to glucose stimulus positive regulation of insulin secretion intracellular protein localization regulation of peptide hormone secretion regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region intracellular glucose homeostasis protein secretion regulation of protein secretion regulation of secretion cellular response to carbohydrate stimulus response to glucose glucose homeostasis positive regulation of protein localization insulin secretion involved in cellular response to glucose stimulus cellular localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion signaling positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion regulation of secretion by cell secretion by cell positive regulation of hormone secretion response to monosaccharide response to carbohydrate positive regulation of secretion signal release cellular response to hexose stimulus cellular response to monosaccharide stimulus positive regulation of cellular process positive regulation of peptide secretion regulation of signaling secretion regulation of peptide transport regulation of establishment of protein localization export from cell cell-cell signaling cellular response to glucose stimulus regulation of protein transport positive regulation of protein secretion peptide transport response to hexose regulation of cellular localization protein transport regulation of insulin secretion peptide hormone secretion macromolecule localization regulation of insulin secretion involved in cellular response to glucose stimulus hormone transport insulin secretion positive regulation of signaling cell surface receptor signaling pathway signal transduction cellular response to toxic substance response to toxic substance smooth muscle contraction urinary bladder smooth muscle contraction urinary tract smooth muscle contraction muscle contraction muscle system process calcium ion transmembrane import into cytosol cellular response to cold cellular response to carbon dioxide response to carbon dioxide detection of external stimulus response to mechanical stimulus response to external stimulus detection of mechanical stimulus involved in sensory perception sensory perception of mechanical stimulus detection of abiotic stimulus detection of mechanical stimulus	cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane axon cell projection neuron projection plasma membrane bounded cell projection stereocilium bundle cluster of actin-based cell projections

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A], C, D	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A [auth B], B [auth A], C, D	IPR002110	Ankyrin repeat	Repeat
A [auth B], B [auth A], C, D	IPR005821	Ion transport domain	Domain
A [auth B], B [auth A], C, D	IPR052076	Transient receptor potential cation channel	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B], B [auth A], C, D	: O75762	familial episodic pain syndrome with predominantly upper body involvement overactive bladder Bronchial Hyperreactivity asthma pain agnosia pancreatic intraductal papillary-mucinous carcinoma cutaneous melanoma malignant colon neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia ulcerative colitis malignant mesothelioma ovarian cancer psoriasis gastric carcinoma

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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.