Annotations: 1BY2

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1by2a1	Alpha and beta proteins (a+b)	SRCR-like	SRCR-like	Scavenger receptor cysteine-rich (SRCR) domain	M2BP	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1by2a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	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	SCOP2 Family	Scavenger receptor cysteine-rich (SRCR) domain	8024771	4002525	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SRCR-like	8037150	3001377	SCOP2 (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	SRCR	e1by2A1	A: a+b complex topology	X: SRCR-like	H: SRCR-like (From Topology)	T: SRCR-like	F: SRCR	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.250.10	Alpha Beta	Roll	Mac-2 Binding Protein	SRCR-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00530	Scavenger receptor cysteine-rich domain (SRCR)	Scavenger receptor cysteine-rich domain	These domains are disulphide rich extracellular domains. These domains are found in several extracellular receptors and may be involved in protein-protein interactions.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	MAC-2 BINDING PROTEIN	cargo receptor activity scavenger receptor activity	cell adhesion cellular process response to stimulus defense response response to stress cellular defense response cellular response to stimulus regulation of biological process regulation of cellular process signaling biological regulation signal transduction cell communication	extracellular region extracellular space cellular anatomical entity blood microparticle membrane membrane-bounded organelle vesicle lumen intracellular anatomical structure intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen intracellular membrane-bounded organelle secretory granule lumen endomembrane system extracellular region extracellular space cellular anatomical entity blood microparticle membrane membrane-bounded organelle vesicle lumen intracellular anatomical structure intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen intracellular membrane-bounded organelle secretory granule lumen endomembrane system intracellular organelle lumen intracellular organelle platelet dense granule lumen cytoplasmic vesicle organelle lumen platelet dense granule organelle secretory granule secretory vesicle cytoplasm vesicle extracellular exosome extracellular vesicle extracellular organelle extracellular membrane-bounded organelle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017448	SRCR-like_dom	Unknown
A	IPR001190	SRCR domain	Domain
A	IPR000210	BTB/POZ domain	Domain
A	IPR036772	SRCR-like domain superfamily	Homologous Superfamily
A	IPR051481	BTB/POZ domain-containing protein and Galectin-3-binding	Family
A	IPR011705	BTB/Kelch-associated	Domain
A	IPR011333	SKP1/BTB/POZ domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q08380	cirrhosis of liver pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma subependymal giant cell astrocytoma astrocytic tumor cutaneous lupus erythematosus Duchenne muscular dystrophy glioblastoma lung adenocarcinoma malignant pancreatic neoplasm ovarian cancer pancreatic intraductal papillary-mucinous neoplasm primitive neuroectodermal tumor systemic lupus erythematosus Becker muscular dystrophy cirrhosis of liver pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma subependymal giant cell astrocytoma astrocytic tumor cutaneous lupus erythematosus Duchenne muscular dystrophy glioblastoma lung adenocarcinoma malignant pancreatic neoplasm ovarian cancer pancreatic intraductal papillary-mucinous neoplasm primitive neuroectodermal tumor systemic lupus erythematosus Becker muscular dystrophy dermatomyositis esophageal adenocarcinoma juvenile dermatomyositis malignant ependymoma medulloblastoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis tuberculosis diabetes mellitus Fibrosis, Liver limb-girdle muscular dystrophy malignant glioma oligodendroglioma

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.