Annotations: 2YBY

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Sushi	e2ybyA1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Sushi	ECOD (v294.1)
A	ALO	e2ybyA3	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ALO	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.70.10	Mainly Beta	Ribbon	Complement Module	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00084	Sushi repeat (SCR repeat) (Sushi)	Sushi repeat (SCR repeat)		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	COMPLEMENT FACTOR H	opsonin binding protein binding binding complement component C3b binding complement binding identical protein binding heparan sulfate proteoglycan binding proteoglycan binding carbohydrate derivative binding heparin binding glycosaminoglycan binding sulfur compound binding	developmental process multicellular organism development multicellular organismal process skeletal system development connective tissue development anatomical structure development animal organ development tissue development cartilage development system development regulation of humoral immune response regulation of immune effector process regulation of defense response humoral immune response developmental process multicellular organism development multicellular organismal process skeletal system development connective tissue development anatomical structure development animal organ development tissue development cartilage development system development regulation of humoral immune response regulation of immune effector process regulation of defense response humoral immune response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus positive regulation of biological process complement activation, alternative pathway response to biotic stimulus positive regulation of response to stimulus complement activation positive regulation of immune response response to stress regulation of response to stress innate immune response regulation of immune system process response to external biotic stimulus positive regulation of immune system process regulation of biological process regulation of complement activation, alternative pathway immune response response to other organism defense response regulation of innate immune response biological regulation defense response to symbiont response to external stimulus immune effector process regulation of response to stimulus immune system process defense response to other organism regulation of immune response regulation of complement activation activation of immune response adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response sensory organ development eye development retina development in camera-type eye visual system development camera-type eye development sensory system development epithelium development retinal pigment epithelium development bone development immune complex clearance regulation of body fluid levels wound healing homotypic cell-cell adhesion cell activation hemostasis platelet aggregation blood coagulation cell adhesion cell-cell adhesion coagulation cellular process regulation of biological quality response to wounding platelet activation biosynthetic process metabolic process macromolecule metabolic process mitochondrial gene expression gene expression macromolecule biosynthetic process monocyte aggregation leukocyte cell-cell adhesion leukocyte aggregation system process nervous system process neuromuscular process regulation of cellular process regulation of complement-dependent cytotoxicity regulation of cell killing complement-dependent cytotoxicity cell killing cellular developmental process photoreceptor cell differentiation nervous system development generation of neurons neurogenesis neuron differentiation cell differentiation glomerulus development nephron development kidney development renal system development inflammatory response to wounding inflammatory response activation of membrane attack complex nucleobase-containing compound metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process mitochondrial DNA metabolic process organ or tissue specific immune response nucleoside phosphate metabolic process ribose phosphate metabolic process purine nucleoside triphosphate metabolic process ATP metabolic process carbohydrate derivative metabolic process nucleotide metabolic process purine-containing compound metabolic process purine nucleotide metabolic process ribonucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process phosphorus metabolic process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development anatomical structure morphogenesis tube morphogenesis anatomical structure formation involved in morphogenesis blood vessel development cellular response to stimulus response to lipid cellular response to lipopolysaccharide response to oxygen-containing compound cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound cellular response to biotic stimulus cellular response to chemical stimulus response to chemical response to bacterium cellular response to lipid response to molecule of bacterial origin response to peptide response to cytokine cell development neural retina development eye morphogenesis retinal rod cell development eye photoreceptor cell differentiation animal organ morphogenesis photoreceptor cell development camera-type eye morphogenesis eye photoreceptor cell development camera-type eye photoreceptor cell differentiation retina morphogenesis in camera-type eye sensory organ morphogenesis neuron development retinal rod cell differentiation determination of adult lifespan sensory perception of light stimulus sensory perception visual perception multicellular organismal-level homeostasis leukocyte homeostasis homeostatic process homeostasis of number of cells myeloid cell homeostasis neutrophil homeostasis cellular component organization organelle organization cellular component organization or biogenesis mitochondrion organization smooth muscle cell differentiation muscle cell differentiation muscle structure development vascular associated smooth muscle cell differentiation proteolysis protein metabolic process response to nutrient levels response to dietary excess energy homeostasis	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane protein-containing complex catalytic complex peptidase complex endopeptidase complex serine-type endopeptidase complex serine-type peptidase complex somatodendritic compartment cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane protein-containing complex catalytic complex peptidase complex endopeptidase complex serine-type endopeptidase complex serine-type peptidase complex somatodendritic compartment cell body neuronal cell body axon cell projection neuron projection plasma membrane bounded cell projection membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle other organism part symbiont cell surface extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000436	Sushi/SCR/CCP domain	Domain
A	IPR035976	Sushi/SCR/CCP superfamily	Homologous Superfamily
A	IPR051503	Complement System Regulators and Virion Entry Mediators	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.