Annotations: 5M6S

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Spectrin repeat	8042773	3000156	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	Spectrin	e5m6sA1	A: alpha bundles	X: Spectrin repeat-like	H: Spectrin repeat (From Topology)	T: Spectrin repeat	F: Spectrin	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	spectrin	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding calmodulin binding RNA binding rRNA binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding calmodulin binding RNA binding rRNA binding nucleic acid binding	regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization cellular component biogenesis actin filament capping cellular component assembly actin filament-based process regulation of biological quality negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization cellular component biogenesis actin filament capping cellular component assembly actin filament-based process regulation of biological quality negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization cellular component disassembly regulation of biological process negative regulation of cellular component organization actin filament organization regulation of organelle organization negative regulation of protein depolymerization negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization supramolecular fiber organization regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process cellular component organization regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly negative regulation of cellular process protein-containing complex assembly negative regulation of protein polymerization cellular component organization or biogenesis regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin cytoskeleton organization actin filament polymerization protein-containing complex organization regulation of protein depolymerization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization biological regulation regulation of cellular component biogenesis organelle organization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization cellular process negative regulation of actin filament depolymerization protein depolymerization cytoskeleton organization regulation of anatomical structure size oxoacid metabolic process positive regulation of biological process indole-containing compound metabolic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of L-tryptophan metabolic process regulation of small molecule metabolic process L-tryptophan metabolic process regulation of amino acid metabolic process small molecule metabolic process positive regulation of cellular process aromatic amino acid metabolic process carboxylic acid metabolic process primary metabolic process positive regulation of amino acid metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process regulation of L-tryptophan metabolic process metabolic process positive regulation of small molecule metabolic process regulation of metabolic process positive regulation of macromolecule biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of metabolic process positive regulation of RNA metabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process regulation of termination of DNA-templated transcription regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription positive regulation of cellular component organization positive regulation of DNA-templated transcription RNA metabolic process transcriptional attenuation DNA-templated transcription termination positive regulation of termination of DNA-templated transcription RNA biosynthetic process nucleic acid biosynthetic process positive regulation of biosynthetic process positive regulation of protein-containing complex disassembly negative regulation of macromolecule metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process transcriptional attenuation by ribosome regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process negative regulation of biosynthetic process positive regulation of RNA biosynthetic process catabolic process aromatic amino acid family catabolic process organic acid catabolic process carboxylic acid catabolic process amino acid catabolic process L-amino acid catabolic process L-tryptophan catabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process indole-containing compound catabolic process small molecule catabolic process	cellular anatomical structure cell junction intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm cellular anatomical structure cell junction intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm costamere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex plasma membrane membrane cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A	IPR035825	Alpha Spectrin, SH3 domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR014837	EF-hand, Ca insensitive	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR018159	Spectrin/alpha-actinin	Repeat
A	IPR002048	EF-hand domain	Domain
A	IPR011992	EF-hand domain pair	Homologous Superfamily
A	IPR002017	Spectrin repeat	Repeat
A	IPR012620	Tryptophanese operon leader peptide	Family

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.