Annotations: 2XRB

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TIM	e2xrbA1	A: a/b three-layered sandwiches	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: TIM	ECOD (v294.1)
A	Carb_anhydrase	e2xrbA4	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Carb_anhydrase	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 REGULATORY PROTEIN CRRY	-	regulation of biological process regulation of cellular process regulation of complement-dependent cytotoxicity biological regulation cellular process regulation of cell killing complement-dependent cytotoxicity cell killing adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity T cell mediated immunity response to stimulus immune response immune system process regulation of biological process regulation of cellular process regulation of complement-dependent cytotoxicity biological regulation cellular process regulation of cell killing complement-dependent cytotoxicity cell killing adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity T cell mediated immunity response to stimulus immune response immune system process leukocyte mediated immunity adaptive immune response immune effector process humoral immune response positive regulation of biological process positive regulation of response to stimulus complement activation humoral immune response mediated by circulating immunoglobulin positive regulation of immune response regulation of immune system process positive regulation of immune system process complement activation, classical pathway immunoglobulin mediated immune response regulation of response to stimulus B cell mediated immunity regulation of immune response activation of immune response multi-multicellular organism process multicellular organismal process reproductive process female pregnancy multi-organism reproductive process response to decreased oxygen levels cellular response to stimulus cellular response to oxygen levels cellular response to hypoxia cellular response to decreased oxygen levels cellular response to chemical stimulus cellular response to stress response to hypoxia response to stress response to chemical response to oxygen levels response to abiotic stimulus regulation of humoral immune response regulation of immune effector process negative regulation of biological process negative regulation of complement activation negative regulation of response to stimulus negative regulation of immune response negative regulation of immune effector process negative regulation of humoral immune response negative regulation of immune system process regulation of complement activation biological process involved in interspecies interaction between organisms response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to other organism innate immune response response to external biotic stimulus regulation of humoral immune response mediated by circulating immunoglobulin negative regulation of lymphocyte mediated immunity negative regulation of complement activation, classical pathway negative regulation of B cell mediated immunity regulation of adaptive immune response negative regulation of adaptive immune response regulation of B cell mediated immunity negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of leukocyte mediated immunity negative regulation of immunoglobulin mediated immune response regulation of complement activation, classical pathway regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of immunoglobulin mediated immune response negative regulation of humoral immune response mediated by circulating immunoglobulin regulation of lymphocyte mediated immunity negative regulation of leukocyte mediated immunity developmental process multicellular organism development embryo development ending in birth or egg hatching chordate embryonic development anatomical structure development embryo development in utero embryonic development	protein-containing complex signaling receptor complex cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR051277	SEZ6/CSMD/C4BPB Neuronal & Immune Regulators	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.