Annotations: 5B1R

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Lectin_C	e5b1rA1	A: a/b three-layered sandwiches	X: Repetitive alpha hairpins	H: C-type lectin-like	T: C-type lectin-like	F: Lectin_C	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.100.10	Alpha Beta	Roll	Mannose-Binding Protein A	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	B-cell differentiation antigen CD72	binding carbohydrate binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	cellular response to stimulus regulation of B cell receptor signaling pathway immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling negative regulation of signaling positive regulation of biological process negative regulation of biological process regulation of signal transduction regulation of antigen receptor-mediated signaling pathway negative regulation of antigen receptor-mediated signaling pathway negative regulation of cell communication cell communication negative regulation of B cell receptor signaling pathway cellular response to stimulus regulation of B cell receptor signaling pathway immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling negative regulation of signaling positive regulation of biological process negative regulation of biological process regulation of signal transduction regulation of antigen receptor-mediated signaling pathway negative regulation of antigen receptor-mediated signaling pathway negative regulation of cell communication cell communication negative regulation of B cell receptor signaling pathway positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response negative regulation of cellular process regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process regulation of signaling cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response negative regulation of response to stimulus B cell receptor signaling pathway biological regulation negative regulation of signal transduction regulation of response to stimulus negative regulation of immune system process immune system process regulation of immune response regulation of cell communication cellular process antigen receptor-mediated signaling pathway activation of immune response	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001304	C-type lectin-like	Domain
A	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
A	IPR016187	C-type lectin fold	Homologous Superfamily
A	IPR039689	B-cell differentiation antigen CD72	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.