Annotations: 1QSJ

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1qsja_	All alpha proteins	alpha/alpha toroid	Terpenoid cyclases/Protein prenyltransferases	Complement components	Thio-ester containing domain (TED) from Complement C3, aka C3d or C3dg	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B	d1qsjb_	All alpha proteins	alpha/alpha toroid	Terpenoid cyclases/Protein prenyltransferases	Complement components	Thio-ester containing domain (TED) from Complement C3, aka C3d or C3dg	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
C	d1qsjc_	All alpha proteins	alpha/alpha toroid	Terpenoid cyclases/Protein prenyltransferases	Complement components	Thio-ester containing domain (TED) from Complement C3, aka C3d or C3dg	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
D	d1qsjd_	All alpha proteins	alpha/alpha toroid	Terpenoid cyclases/Protein prenyltransferases	Complement components	Thio-ester containing domain (TED) from Complement C3, aka C3d or C3dg	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Terpenoid cyclases/Protein prenyltransferases	8038416	3001024	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Terpenoid cyclases/Protein prenyltransferases	8038416	3001024	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Terpenoid cyclases/Protein prenyltransferases	8038416	3001024	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Terpenoid cyclases/Protein prenyltransferases	8038416	3001024	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	A2M_comp_2	e1qsjA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: A2M_comp_2	ECOD (1.6)
B	A2M_comp_2	e1qsjB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: A2M_comp_2	ECOD (1.6)
C	A2M_comp_2	e1qsjC1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: A2M_comp_2	ECOD (1.6)
D	A2M_comp_2	e1qsjD1	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: A2M_comp_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Provenance Source (Version)
A	1.50.10.20	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase	CATH (4.3.0)
B	1.50.10.20	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase	CATH (4.3.0)
C	1.50.10.20	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase	CATH (4.3.0)
D	1.50.10.20	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF07678	A-macroglobulin TED domain (TED_complement)	A-macroglobulin TED domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	COMPLEMENT C3 PRECURSOR	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity C5L2 anaphylatoxin chemotactic receptor binding protein binding binding signaling receptor binding G protein-coupled receptor binding C5a anaphylatoxin chemotactic receptor binding enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity C5L2 anaphylatoxin chemotactic receptor binding protein binding binding signaling receptor binding G protein-coupled receptor binding C5a anaphylatoxin chemotactic receptor binding lipid binding	response to stimulus response to chemical response to xenobiotic stimulus cellular response to stimulus positive regulation of cell communication regulation of biological process regulation of signaling regulation of cellular process positive regulation of signal transduction signaling biological regulation positive regulation of biological process regulation of signal transduction positive regulation of G protein-coupled receptor signaling pathway response to stimulus response to chemical response to xenobiotic stimulus cellular response to stimulus positive regulation of cell communication regulation of biological process regulation of signaling regulation of cellular process positive regulation of signal transduction signaling biological regulation positive regulation of biological process regulation of signal transduction positive regulation of G protein-coupled receptor signaling pathway cell communication positive regulation of response to stimulus regulation of response to stimulus regulation of cell communication G protein-coupled receptor signaling pathway cellular process signal transduction regulation of G protein-coupled receptor signaling pathway positive regulation of cellular process positive regulation of signaling neutral lipid metabolic process neutral lipid biosynthetic process regulation of triglyceride metabolic process cellular biosynthetic process regulation of lipid metabolic process lipid biosynthetic process regulation of primary metabolic process acylglycerol biosynthetic process triglyceride metabolic process triglyceride biosynthetic process regulation of biosynthetic process cellular metabolic process regulation of triglyceride biosynthetic process primary metabolic process regulation of cellular metabolic process regulation of cellular biosynthetic process biosynthetic process glycerolipid biosynthetic process cellular lipid metabolic process metabolic process glycerolipid metabolic process regulation of lipid biosynthetic process acylglycerol metabolic process regulation of metabolic process lipid metabolic process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin positive regulation of immune response leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway immune response immunoglobulin mediated immune response adaptive immune response immune effector process immune system process B cell mediated immunity regulation of immune response activation of immune response developmental process multicellular organismal process cellular developmental process cell development developmental maturation nervous system development generation of neurons neurogenesis multicellular organism development neuron differentiation neuron remodeling anatomical structure maturation cell differentiation neuron development anatomical structure development neuron maturation cell maturation system development response to ketone response to lipid response to hormone response to steroid hormone response to endogenous stimulus response to progesterone response to oxygen-containing compound response to organic cyclic compound sensory organ development eye development animal organ development retina development in camera-type eye visual system development camera-type eye development sensory system development regulation of growth regulation of developmental growth regulation of developmental process developmental growth growth positive regulation of developmental process positive regulation of growth positive regulation of developmental growth regulation of localization import into cell positive regulation of cellular component organization regulation of cellular component organization transport vesicle-mediated transport cellular component organization localization positive regulation of endocytosis phagocytosis cellular component organization or biogenesis regulation of endocytosis regulation of transport regulation of phagocytosis regulation of vesicle-mediated transport establishment of localization positive regulation of phagocytosis positive regulation of transport endocytosis chemotaxis taxis response to external stimulus locomotion regulation of humoral immune response regulation of immune effector process positive regulation of humoral immune response positive regulation of complement activation positive regulation of immune effector process activation of membrane attack complex positive regulation of activation of membrane attack complex regulation of activation of membrane attack complex regulation of complement activation pattern specification process regionalization central nervous system development vertebrate eye-specific patterning hexose transmembrane transport positive regulation of glucose transmembrane transport carbohydrate transport transmembrane transport regulation of glucose transmembrane transport regulation of transmembrane transport positive regulation of transmembrane transport glucose transmembrane transport monosaccharide transmembrane transport carbohydrate transmembrane transport positive regulation of receptor-mediated endocytosis regulation of receptor-mediated endocytosis receptor-mediated endocytosis biological process involved in interspecies interaction between organisms complement activation, alternative pathway response to biotic stimulus response to stress innate immune response response to external biotic stimulus response to other organism defense response defense response to symbiont defense response to other organism epithelium development oviduct development reproductive system development oviduct epithelium development tube development reproductive process developmental process involved in reproduction tissue development reproductive structure development response to estrogen intracellular signal transduction positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade MAPK cascade ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process regulation of cytokine production cytokine production regulation of multicellular organismal process positive regulation of macromolecule metabolic process regulation of vascular endothelial growth factor production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression vascular endothelial growth factor production positive regulation of gene expression positive regulation of multicellular organismal process positive regulation of vascular endothelial growth factor production regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production positive regulation of cellular biosynthetic process positive regulation of membrane invagination regulation of phagocytosis, engulfment membrane invagination plasma membrane invagination membrane organization phagocytosis, engulfment positive regulation of phagocytosis, engulfment regulation of membrane invagination cellular component disassembly complement-mediated synapse pruning cell junction organization cell junction disassembly synapse pruning synapse organization immune response-regulating cell surface receptor signaling pathway complement receptor mediated signaling pathway immune response-activating signaling pathway immune response-regulating signaling pathway cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway amyloid-beta clearance lipid storage lipid localization positive regulation of lipid localization maintenance of location regulation of lipid storage regulation of lipid localization macromolecule localization positive regulation of lipid storage response to corticosteroid response to glucocorticoid fatty acid metabolic process oxoacid metabolic process carboxylic acid metabolic process organic acid metabolic process small molecule metabolic process monocarboxylic acid metabolic process positive regulation of acute inflammatory response to antigenic stimulus regulation of myeloid leukocyte mediated immunity regulation of acute inflammatory response to antigenic stimulus positive regulation of leukocyte mediated immunity regulation of type IIa hypersensitivity myeloid leukocyte mediated immunity inflammatory response to antigenic stimulus positive regulation of hypersensitivity positive regulation of inflammatory response positive regulation of adaptive immune response regulation of type II hypersensitivity positive regulation of immunoglobulin mediated immune response hypersensitivity regulation of adaptive immune response regulation of inflammatory response regulation of B cell mediated immunity regulation of leukocyte mediated immunity type II hypersensitivity positive regulation of myeloid leukocyte mediated immunity type IIa hypersensitivity positive regulation of defense response regulation of acute inflammatory response inflammatory response regulation of defense response regulation of response to external stimulus positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of acute inflammatory response positive regulation of B cell mediated immunity regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of response to external stimulus regulation of immunoglobulin mediated immune response regulation of response to stress acute inflammatory response regulation of hypersensitivity regulation of inflammatory response to antigenic stimulus acute inflammatory response to antigenic stimulus positive regulation of inflammatory response to antigenic stimulus positive regulation of type IIa hypersensitivity regulation of lymphocyte mediated immunity positive regulation of type II hypersensitivity angiogenesis regulation of vasculature development tube morphogenesis regulation of anatomical structure morphogenesis blood vessel development regulation of multicellular organismal development blood vessel morphogenesis positive regulation of angiogenesis vasculature development circulatory system development anatomical structure morphogenesis positive regulation of vasculature development regulation of angiogenesis anatomical structure formation involved in morphogenesis response to bacterium immune system development tolerance induction complement-dependent cytotoxicity cell killing positive regulation of phosphorylation regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of phosphate metabolic process positive regulation of protein modification process regulation of phosphate metabolic process phosphate-containing compound metabolic process protein metabolic process positive regulation of protein phosphorylation phosphorus metabolic process protein modification process organonitrogen compound metabolic process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process macromolecule modification regulation of phosphorus metabolic process regulation of phosphorylation positive regulation of apoptotic cell clearance apoptotic cell clearance regulation of apoptotic cell clearance smooth muscle cell differentiation muscle cell differentiation muscle structure development vascular associated smooth muscle cell differentiation response to estradiol response to metal ion response to magnesium ion	extracellular region extracellular space cellular anatomical entity cell surface protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR019742	Alpha-2-macroglobulin, conserved site	Conserved Site
A, B, C, D	IPR009048	Alpha-macroglobulin, receptor-binding	Domain
A, B, C, D	IPR049466	Complement component 3, CUB domain, first segment	Domain
A, B, C, D	IPR001599	Alpha-2-macroglobulin	Domain
A, B, C, D	IPR001134	Netrin domain	Domain
A, B, C, D	IPR011626	Alpha-macroglobulin-like, TED domain	Domain
A, B, C, D	IPR002890	Macroglobulin domain	Domain
A, B, C, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B, C, D	IPR008930	Terpenoid cyclases/protein prenyltransferase alpha-alpha toroid	Homologous Superfamily
A, B, C, D	IPR041555	Macroglobulin domain MG3	Domain
A, B, C, D	IPR047565	Alpha-macroglobulin-like, thiol-ester bond-forming region	Conserved Site
A, B, C, D	IPR048848	Complement component 3, CUB domain, second segment	Domain
A, B, C, D	IPR018081	Anaphylatoxin, complement system	Homologous Superfamily
A, B, C, D	IPR035815	Complement C3-like, NTR domain	Domain
A, B, C, D	IPR018933	Netrin module, non-TIMP type	Domain
A, B, C, D	IPR001840	Anaphylatoxin, complement system domain	Domain
A, B, C, D	IPR041425	Complement C3/4/5, macroglobulin domain MG1	Domain
A, B, C, D	IPR011625	Alpha-2-macroglobulin, bait region domain	Domain
A, B, C, D	IPR008993	Tissue inhibitor of metalloproteinases-like, OB-fold	Homologous Superfamily
A, B, C, D	IPR000020	Anaphylatoxin/fibulin	Domain
A, B, C, D	IPR036595	Alpha-macroglobulin, receptor-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR050473	Alpha-2-macroglobulin/Complement system	Family
A, B, C, D	IPR040839	Macroglobulin domain MG4	Domain