Annotations: 5X9A

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	EF-hand	8082629	3001983	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	EF-hand	8082629	3001983	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)
B	EF-hand_7_2	e5x9aB2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_2	ECOD (1.6)
B	EF-hand_7_10	e5x9aB1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_10	ECOD (1.6)
A	EF-hand_7_2	e5x9aA2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_2	ECOD (1.6)
A	EF-hand_7_10	e5x9aA1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_10	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13499	EF-hand domain pair (EF-hand_7)	EF-hand domain pair		Domain
A, B	PF13202	EF hand (EF-hand_5)	EF hand		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Calaxin	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding protein binding dynein heavy chain binding cytoskeletal motor regulator activity molecular function regulator activity calcium-dependent protein binding calcium-dependent outer dynein arm binding cytoskeletal protein binding beta-tubulin binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding protein binding dynein heavy chain binding cytoskeletal motor regulator activity molecular function regulator activity calcium-dependent protein binding calcium-dependent outer dynein arm binding cytoskeletal protein binding beta-tubulin binding tubulin binding	regulation of cellular process regulation of cell motility regulation of reproductive process reproductive process regulation of cilium-dependent cell motility cilium or flagellum-dependent cell motility regulation of flagellated sperm motility cilium-dependent cell motility cell motility locomotion sperm motility regulation of biological process biological regulation regulation of microtubule-based process regulation of cellular process regulation of cell motility regulation of reproductive process reproductive process regulation of cilium-dependent cell motility cilium or flagellum-dependent cell motility regulation of flagellated sperm motility cilium-dependent cell motility cell motility locomotion sperm motility regulation of biological process biological regulation regulation of microtubule-based process regulation of microtubule-based movement cilium movement involved in cell motility regulation of cilium movement regulation of locomotion flagellated sperm motility cellular process microtubule-based movement microtubule-based process cilium movement regulation of cilium movement involved in cell motility cell chemotaxis cellular response to stimulus chemotaxis response to stimulus response to external stimulus cellular response to chemical stimulus taxis response to chemical cell migration regulation of signaling signaling regulation of signal transduction cell communication regulation of response to stimulus regulation of cell communication signal transduction	membrane-bounded organelle intracellular anatomical structure axoneme ciliary plasm cilium intracellular membraneless organelle cytoplasmic region plasma membrane bounded cell projection cytoplasm plasma membrane bounded cell projection intracellular organelle cell projection cellular anatomical structure cytoskeleton organelle membrane-bounded organelle intracellular anatomical structure axoneme ciliary plasm cilium intracellular membraneless organelle cytoplasmic region plasma membrane bounded cell projection cytoplasm plasma membrane bounded cell projection intracellular organelle cell projection cellular anatomical structure cytoskeleton organelle membraneless organelle cytoplasm 9+2 motile cilium motile cilium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR028846	Recoverin family	Family
A, B	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B	IPR002048	EF-hand domain	Domain
A, B	IPR011992	EF-hand domain pair	Homologous Superfamily

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.