Annotations: 6EF4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CLASP_N_1	e6ef4A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: CLASP_N_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13646	HEAT repeats (HEAT_2)	HEAT repeats	-	Repeat
A	PF22646	PPP2R1A-like HEAT repeat (PPP2R1A-like_HEAT)	PPP2R1A-like HEAT repeat	-	Repeat
A	PF02985	HEAT repeat (HEAT)	HEAT repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Serine/threonine-protein phosphatase 2A 65 kDa regulatory subunit A alpha isoform	protein antigen binding protein binding binding antigen binding phosphoric ester hydrolase activity phosphoprotein phosphatase activity protein serine/threonine phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds phosphatase activity hydrolase activity catalytic activity protein heterodimerization activity protein dimerization activity	meiotic spindle elongation meiotic chromosome segregation sexual reproduction spindle elongation reproductive process microtubule cytoskeleton organization meiotic cell cycle process cellular component organization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation spindle organization cell cycle process meiotic spindle elongation meiotic chromosome segregation sexual reproduction spindle elongation reproductive process microtubule cytoskeleton organization meiotic cell cycle process cellular component organization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation spindle organization cell cycle process meiotic cell cycle organelle fission meiotic spindle organization organelle organization nuclear division nuclear chromosome segregation cellular process microtubule-based process cytoskeleton organization mitotic nuclear division chromosome organization sister chromatid segregation mitotic cell cycle mitotic cell cycle process chromosome separation mitotic sister chromatid segregation mitotic sister chromatid separation sister chromatid cohesion meiotic sister chromatid cohesion, centromeric centromeric sister chromatid cohesion meiotic sister chromatid cohesion cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signal transduction in absence of ligand signaling positive regulation of biological process regulation of signal transduction regulation of programmed cell death positive regulation of extrinsic apoptotic signaling pathway in absence of ligand extrinsic apoptotic signaling pathway cell communication positive regulation of apoptotic signaling pathway positive regulation of response to stimulus extrinsic apoptotic signaling pathway in absence of ligand signal transduction positive regulation of cellular process regulation of biological process regulation of signaling positive regulation of programmed cell death cell surface receptor signaling pathway regulation of apoptotic process biological regulation positive regulation of extrinsic apoptotic signaling pathway cell death positive regulation of apoptotic process regulation of extrinsic apoptotic signaling pathway apoptotic signaling pathway regulation of response to stimulus regulation of extrinsic apoptotic signaling pathway in absence of ligand regulation of cell communication apoptotic process programmed cell death regulation of apoptotic signaling pathway positive regulation of signaling multicellular organismal process multicellular organismal-level homeostasis leukocyte homeostasis T cell homeostasis homeostatic process immune system process homeostasis of number of cells lymphocyte homeostasis multicellular organismal reproductive process female gamete generation gamete generation female meiotic nuclear division hippo signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process intracellular signal transduction negative regulation of cell communication regulation of intracellular signal transduction negative regulation of cellular process negative regulation of response to stimulus negative regulation of hippo signaling negative regulation of signal transduction regulation of hippo signaling regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction intracellular signaling cassette phosphatidylinositol 3-kinase/protein kinase B signal transduction meiotic cell cycle process involved in oocyte maturation cellular developmental process regulation of reproductive process cell development cellular process involved in reproduction in multicellular organism developmental process involved in reproduction oocyte development cell differentiation anatomical structure development cell maturation regulation of cell cycle developmental process regulation of cell cycle process oogenesis regulation of meiotic cell cycle process involved in oocyte maturation developmental maturation anatomical structure maturation germ cell development oocyte maturation oocyte differentiation	phosphatase complex protein-containing complex catalytic complex protein phosphatase type 2A complex protein serine/threonine phosphatase complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle chromosome, centromeric region intracellular membraneless organelle phosphatase complex protein-containing complex catalytic complex protein phosphatase type 2A complex protein serine/threonine phosphatase complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle chromosome, centromeric region intracellular membraneless organelle chromosome chromosomal region somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection synapse cell junction glutamatergic synapse cell body neuronal cell body cell periphery plasma membrane membrane lateral plasma membrane FAR/SIN/STRIPAK complex membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR054573	Phosphatase PP2A regulatory subunit A/Splicing factor 3B subunit 1-like, HEAT repeat	Domain
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR021133	HEAT, type 2	Repeat
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR051023	Protein Phosphatase 2A Regulatory Subunit A	Family
A	IPR000357	HEAT repeat	Repeat

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.