Annotations: 1E5G

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1e5ga1	Small proteins	Complement control module/SCR domain	Complement control module/SCR domain	Complement control module/SCR domain	Complement control protein	(Vaccinia virus Copenhagen ) [TaxId: 10249 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00084	e1e5gA1	A: few secondary structure elements	X: EGF-like	H: EGF-related	T: Complement control module/SCR domain	F: PF00084	ECOD (1.6)

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 CONTROL PROTEIN C3	protein binding binding complement binding	regulation of humoral immune response regulation of immune effector process humoral immune response response to stimulus positive regulation of biological process negative regulation of biological process negative regulation of complement activation positive regulation of response to stimulus complement activation positive regulation of immune response regulation of immune system process positive regulation of immune system process regulation of biological process immune response regulation of humoral immune response regulation of immune effector process humoral immune response response to stimulus positive regulation of biological process negative regulation of biological process negative regulation of complement activation positive regulation of response to stimulus complement activation positive regulation of immune response regulation of immune system process positive regulation of immune system process regulation of biological process immune response negative regulation of response to stimulus negative regulation of immune response biological regulation negative regulation of immune effector process negative regulation of humoral immune response immune effector process regulation of response to stimulus negative regulation of immune system process immune system process regulation of immune response regulation of complement activation activation of immune response	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane virion component virion membrane extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011176	Complement control protein C3/B5	Family
A	IPR000436	Sushi/SCR/CCP domain	Domain
A	IPR035976	Sushi/SCR/CCP superfamily	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 R01GM133198.