Annotations: 1CI5

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ci5a1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	CD2-binding domain of CD58, N-terminal domain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054501	3000071	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	V-set_9	e1ci5A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_9	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROTEIN (LYMPHOCYTE FUNCTION-ASSOCIATED ANTIGEN 3(CD58))	protein binding binding signaling receptor binding	multicellular organismal process regulation of cellular process positive regulation of interleukin-8 production positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process cytokine production regulation of cytokine production positive regulation of macromolecule metabolic process regulation of multicellular organismal process positive regulation of cellular process regulation of biosynthetic process regulation of biological process multicellular organismal process regulation of cellular process positive regulation of interleukin-8 production positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process cytokine production regulation of cytokine production positive regulation of macromolecule metabolic process regulation of multicellular organismal process positive regulation of cellular process regulation of biosynthetic process regulation of biological process biological regulation interleukin-8 production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process regulation of interleukin-8 production response to peptide cellular response to tumor necrosis factor response to stimulus response to chemical response to cytokine cellular response to cytokine stimulus response to tumor necrosis factor biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus cell adhesion cell-cell adhesion heterotypic cell-cell adhesion	membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle cell surface ficolin-1-rich granule membrane ficolin-1-rich granule tertiary granule cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR015631	CD2/SLAM family receptor	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P19256	multiple sclerosis rheumatoid arthritis mature T-cell and NK-cell non-Hodgkin lymphoma pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma primitive neuroectodermal tumor Sjogren syndrome atypical teratoid rhabdoid tumor invasive ductal breast carcinoma lymphoplasmacytic lymphoma malignant mesothelioma medulloblastoma nephrosclerosis pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia multiple sclerosis rheumatoid arthritis mature T-cell and NK-cell non-Hodgkin lymphoma pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma primitive neuroectodermal tumor Sjogren syndrome atypical teratoid rhabdoid tumor invasive ductal breast carcinoma lymphoplasmacytic lymphoma malignant mesothelioma medulloblastoma nephrosclerosis pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pituitary cancer psoriasis subependymal giant cell astrocytoma Emery-Dreifuss muscular dystrophy large cell medulloblastoma malignant ependymoma malignant pancreatic neoplasm oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma Peripheral T-Cell Lymphoma primary biliary cholangitis tuberculosis glioblastoma lung carcinoma malignant glioma ovarian cancer

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.