Annotations: 8IMZ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Piezo channel C-terminal extracellular domain-like	8054044	3002270	SCOP2B (2022-06-29)
D [auth C]	SCOP2B Superfamily	Piezo channel C-terminal extracellular domain-like	8054044	3002270	SCOP2B (2022-06-29)
E [auth B]	SCOP2B Superfamily	Piezo channel C-terminal extracellular domain-like	8054044	3002270	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth C], E [auth B]	PF12166	Piezo non-specific cation channel, R-Ras-binding domain (Piezo_RRas_bdg)	Piezo non-specific cation channel, R-Ras-binding domain	-	Family
B [auth D], C [auth E], F	PF15316	MyoD family inhibitor (MDFI)	MyoD family inhibitor	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D [auth C], E [auth B]	Piezo-type mechanosensitive ion channel component 1	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 gated channel activity mechanosensitive monoatomic cation channel activity mechanosensitive monoatomic ion channel activity identical protein binding protein binding binding	regulation of biological process regulation of cellular process regulation of cellular component organization positive regulation of cellular component organization protein-containing complex organization positive regulation of cellular component biogenesis biological regulation positive regulation of biological process regulation of cellular component biogenesis cellular component biogenesis cellular component organization regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly cellular component assembly regulation of integrin activation regulation of biological process regulation of cellular process regulation of cellular component organization positive regulation of cellular component organization protein-containing complex organization positive regulation of cellular component biogenesis biological regulation positive regulation of biological process regulation of cellular component biogenesis cellular component biogenesis cellular component organization regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly cellular component assembly regulation of integrin activation protein-containing complex assembly cellular process cellular component organization or biogenesis integrin activation positive regulation of integrin activation positive regulation of cellular process cellular developmental process regulation of developmental process regulation of cell differentiation regulation of striated muscle cell differentiation muscle cell differentiation myotube differentiation muscle structure development positive regulation of developmental process positive regulation of myotube differentiation positive regulation of cell differentiation cell differentiation positive regulation of striated muscle cell differentiation regulation of myotube differentiation anatomical structure development developmental process positive regulation of muscle cell differentiation regulation of muscle cell differentiation striated muscle cell differentiation cellular response to stimulus response to stimulus response to mechanical stimulus response to external stimulus response to abiotic stimulus cellular response to mechanical stimulus cellular response to abiotic stimulus cellular response to external stimulus cellular response to environmental stimulus regulation of biological quality regulation of membrane potential cell-cell adhesion mediated by integrin positive regulation of cell adhesion mediated by integrin positive regulation of cell adhesion regulation of cell adhesion regulation of cell adhesion mediated by integrin regulation of cell-cell adhesion mediated by integrin positive regulation of cell-cell adhesion positive regulation of cell-cell adhesion mediated by integrin cell adhesion cell-cell adhesion cell adhesion mediated by integrin regulation of cell-cell adhesion detection of external stimulus detection of stimulus detection of mechanical stimulus detection of abiotic stimulus localization transport monoatomic ion transport monoatomic cation transport establishment of localization	membrane-bounded organelle intracellular anatomical structure membrane cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle bounding membrane of organelle organelle endoplasmic reticulum-Golgi intermediate compartment membrane endoplasmic reticulum-Golgi intermediate compartment cytoplasm organelle membrane cell periphery plasma membrane membrane-bounded organelle intracellular anatomical structure membrane cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle bounding membrane of organelle organelle endoplasmic reticulum-Golgi intermediate compartment membrane endoplasmic reticulum-Golgi intermediate compartment cytoplasm organelle membrane cell periphery plasma membrane endoplasmic reticulum endomembrane system organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane cell leading edge leading edge membrane plasma membrane bounded cell projection cell projection plasma membrane region lamellipodium membrane cell projection membrane lamellipodium
B [auth D], C [auth E], F	MyoD family inhibitor domain-containing protein	transcription factor binding protein binding binding DNA-binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding Tat protein binding cyclin binding	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process protein localization negative regulation of protein transport regulation of localization establishment of protein localization negative regulation of nucleocytoplasmic transport nitrogen compound transport nucleocytoplasmic transport nuclear transport negative regulation of intracellular protein transport negative regulation of transport localization import into nucleus cellular macromolecule localization establishment of localization in cell regulation of intracellular transport organic substance transport negative regulation of establishment of protein localization intracellular transport regulation of nucleocytoplasmic transport protein localization to nucleus establishment of localization establishment of protein localization to organelle regulation of intracellular protein transport intracellular protein transport cellular localization regulation of protein localization transport regulation of protein localization to nucleus negative regulation of protein import into nucleus regulation of protein import into nucleus protein import into nucleus negative regulation of protein localization negative regulation of intracellular transport regulation of transport regulation of establishment of protein localization regulation of protein transport negative regulation of protein localization to nucleus protein transport regulation of cellular localization macromolecule localization protein localization to organelle cellular response to stimulus regulation of signaling response to stimulus signaling regulation of JNK cascade regulation of signal transduction regulation of MAPK cascade intracellular signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus JNK cascade intracellular signaling cassette MAPK cascade regulation of cell communication signal transduction regulation of Wnt signaling pathway cell surface receptor signaling pathway Wnt signaling pathway positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of cellular process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process viral gene expression regulation of viral process regulation of viral transcription positive regulation of viral process viral process viral transcription positive regulation of viral transcription	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle extracellular region cell periphery plasma membrane membrane cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth C], E [auth B]	IPR031805	Piezo domain	Domain
A, D [auth C], E [auth B]	IPR027272	Piezo family	Family
A, D [auth C], E [auth B]	IPR031334	Piezo non-specific cation channel, R-Ras-binding domain	Domain
B [auth D], C [auth E], F	IPR026134	MyoD family inhibitor/MyoD family inhibitor domain-containing protein	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B [auth D], C [auth E], D [auth C], E [auth B] A, B [auth D], C [auth E], D [auth C], E [auth B], F	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B [auth D], C [auth E], D [auth C], E [auth B] A, B [auth D], C [auth E], D [auth C], E [auth B], F	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Mechanosensitive	Piezo1 mechanosensitive channel in complex with MyoD family inhibitor MDFIC, composite map

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 R01GM133198.