Annotations: 7BPS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	G-alpha, MMR_HSR1	e7bpsB1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: G-alpha, MMR_HSR1	ECOD (develop294)
A	G-alpha, MMR_HSR1	e7bpsA1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: G-alpha, MMR_HSR1	ECOD (develop294)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00021	u-PAR/Ly-6 domain (UPAR_LY6)	u-PAR/Ly-6 domain	This extracellular disulphide bond rich domain is related to Pfam:PF00087.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Testis-expressed protein 101	-	multicellular organismal process basophil activation immune system process cell activation cellular process myeloid leukocyte activation granulocyte activation leukocyte activation 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 multicellular organismal process basophil activation immune system process cell activation cellular process myeloid leukocyte activation granulocyte activation leukocyte activation 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 microtubule-based movement microtubule-based process cilium movement regulation of cilium movement involved in cell motility sexual reproduction fertilization sperm-egg recognition cell-cell recognition binding of sperm to zona pellucida cell recognition single fertilization inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis regulation of cytosolic calcium ion concentration cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis	cellular anatomical structure membrane side of membrane extracellular region cell surface cell periphery plasma membrane membrane-bounded organelle acrosomal vesicle intracellular anatomical structure intracellular vesicle acrosomal membrane intracellular membrane-bounded organelle endomembrane system cellular anatomical structure membrane side of membrane extracellular region cell surface cell periphery plasma membrane membrane-bounded organelle acrosomal vesicle intracellular anatomical structure intracellular vesicle acrosomal membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane membrane microdomain membrane raft plasma membrane raft plasma membrane region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016054	Ly-6 antigen/uPA receptor-like	Domain
A, B	IPR051899	Fertilization and immune response mediator protein	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.