Annotations: 6FCZ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	TNF-like	8038834	3000061	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TNF-like	8038828	3000061	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	TNF-like	8038832	3000061	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)
C	C1q	e6fczC1	A: beta sandwiches	X: jelly-roll	H: TNF-like (From Topology)	T: TNF-like	F: C1q	ECOD (1.6)
D [auth H]	C1-set	e6fczH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
D [auth H]	C1-set_1	e6fczH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
E [auth K]	C1-set	e6fczK2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (1.6)
E [auth K]	C1-set_1	e6fczK1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
A	C1q	e6fczA1	A: beta sandwiches	X: jelly-roll	H: TNF-like (From Topology)	T: TNF-like	F: C1q	ECOD (1.6)
B	C1q	e6fczB1	A: beta sandwiches	X: jelly-roll	H: TNF-like (From Topology)	T: TNF-like	F: C1q	ECOD (1.6)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
D [auth H], E [auth K]	Fc-gamma-1 (IGHG1)	CH2-CH3	Homo sapiens (human)	IGHG101, IGHG102, IGHG103, IGHG104, IGHG1*05	C-DOMAIN CH2, C-DOMAIN CH3	IG	CH2-CH3	IMGT (202436-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF00386	C1q domain (C1q)	C1q domain	C1q is a subunit of the C1 enzyme complex that activates the serum complement system.	Domain
D [auth H], E [auth K]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
A	PF00386	C1q domain (C1q)	C1q domain	C1q is a subunit of the C1 enzyme complex that activates the serum complement system.	Domain
B	PF00386	C1q domain (C1q)	C1q domain	C1q is a subunit of the C1 enzyme complex that activates the serum complement system.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Complement C1q subcomponent subunit C	-	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process immune response biological regulation immunoglobulin mediated immune response adaptive immune response immune effector process regulation of response to stimulus immune system process B cell mediated immunity regulation of immune response activation of immune response regulation of leukocyte differentiation multicellular organismal process myeloid leukocyte differentiation regulation of cellular process cellular developmental process regulation of developmental process negative regulation of biological process cell development regulation of cell differentiation mononuclear cell differentiation regulation of cell development multicellular organism development cell differentiation anatomical structure development negative regulation of cellular process regulation of multicellular organismal process negative regulation of cell differentiation negative regulation of macrophage differentiation regulation of macrophage differentiation negative regulation of hemopoiesis developmental process regulation of multicellular organismal development negative regulation of leukocyte differentiation hemopoiesis regulation of myeloid cell differentiation negative regulation of developmental process macrophage differentiation regulation of myeloid leukocyte differentiation negative regulation of myeloid cell differentiation negative regulation of myeloid leukocyte differentiation negative regulation of cell development myeloid cell differentiation negative regulation of immune system process regulation of hemopoiesis cellular process negative regulation of multicellular organismal process leukocyte differentiation 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 response to stress innate immune response response to external biotic stimulus regulation of granulocyte differentiation negative regulation of granulocyte differentiation granulocyte differentiation cellular component organization cellular component disassembly cell junction organization cell junction disassembly synapse pruning synapse organization cellular component organization or biogenesis	protein-containing complex collagen trimer complement component C1 complex extracellular region cellular anatomical entity extracellular space blood microparticle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix complement component C1q complex synapse cell junction protein-containing complex collagen trimer complement component C1 complex extracellular region cellular anatomical entity extracellular space blood microparticle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix complement component C1q complex synapse cell junction postsynapse
D [auth H], E [auth K]	Immunoglobulin gamma-1 heavy chain	protein binding binding signaling receptor binding immunoglobulin receptor binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process immune response biological regulation immunoglobulin mediated immune response adaptive immune response immune effector process regulation of response to stimulus immune system process B cell mediated immunity regulation of immune response activation of immune response biological process involved in interspecies interaction between organisms response to other organism defense response antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus	extracellular region extracellular space cellular anatomical entity blood microparticle protein-containing complex immunoglobulin complex, circulating immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle extracellular region extracellular space cellular anatomical entity blood microparticle protein-containing complex immunoglobulin complex, circulating immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane membrane
A	Complement C1q subcomponent subunit A	amide binding amyloid-beta binding binding peptide binding	developmental process multicellular organismal process visual system development pattern specification process nervous system development regionalization multicellular organism development central nervous system development anatomical structure development sensory system development vertebrate eye-specific patterning system development cellular developmental process response to stimulus developmental process multicellular organismal process visual system development pattern specification process nervous system development regionalization multicellular organism development central nervous system development anatomical structure development sensory system development vertebrate eye-specific patterning system development cellular developmental process response to stimulus astrocyte differentiation cell development astrocyte activation glial cell development neurogenesis astrocyte development gliogenesis cell differentiation response to stress defense response cell activation glial cell differentiation cellular process glial cell activation inflammatory response neuroinflammatory response adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process immune response biological regulation immunoglobulin mediated immune response adaptive immune response immune effector process regulation of response to stimulus immune system process B cell mediated immunity regulation of immune response activation of immune response developmental maturation generation of neurons neuron differentiation neuron remodeling anatomical structure maturation neuron development neuron maturation cell maturation cellular component organization cellular component disassembly complement-mediated synapse pruning cell junction organization cell junction disassembly synapse pruning synapse organization cellular component organization or biogenesis biological process involved in interspecies interaction between organisms response to other organism 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 signaling cell-cell signaling cell communication myeloid leukocyte activation leukocyte activation macrophage activation leukocyte activation involved in inflammatory response microglial cell activation	protein-containing complex collagen trimer complement component C1 complex extracellular region cellular anatomical entity cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix complement component C1q complex synapse cell junction postsynapse
B	Complement C1q subcomponent subunit B	-	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus 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 leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway regulation of biological process immune response biological regulation immunoglobulin mediated immune response adaptive immune response immune effector process regulation of response to stimulus immune system process B cell mediated immunity regulation of immune response activation of immune response 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 response to stress innate immune response response to external biotic stimulus cellular component organization cellular component disassembly cell junction organization cell junction disassembly synapse pruning cellular process synapse organization cellular component organization or biogenesis	protein-containing complex collagen trimer complement component C1 complex extracellular region cellular anatomical entity extracellular space blood microparticle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix complement component C1q complex synapse cell junction protein-containing complex collagen trimer complement component C1 complex extracellular region cellular anatomical entity extracellular space blood microparticle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix complement component C1q complex synapse cell junction postsynapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR008160	Collagen triple helix repeat	Repeat
C	IPR008983	Tumour necrosis factor-like domain superfamily	Homologous Superfamily
C	IPR001073	C1q domain	Domain
C	IPR050392	Collagen/C1q domain-containing	Family
D [auth H], E [auth K]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D [auth H], E [auth K]	IPR050380	Immune Recognition and Response Modulators	Family
D [auth H], E [auth K]	IPR003597	Immunoglobulin C1-set	Domain
D [auth H], E [auth K]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D [auth H], E [auth K]	IPR013106	Immunoglobulin V-set domain	Domain
D [auth H], E [auth K]	IPR003599	Immunoglobulin domain subtype	Domain
D [auth H], E [auth K]	IPR007110	Immunoglobulin-like domain	Domain
D [auth H], E [auth K]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A	IPR008160	Collagen triple helix repeat	Repeat
A	IPR008983	Tumour necrosis factor-like domain superfamily	Homologous Superfamily
A	IPR001073	C1q domain	Domain
A	IPR050392	Collagen/C1q domain-containing	Family
B	IPR008160	Collagen triple helix repeat	Repeat
B	IPR008983	Tumour necrosis factor-like domain superfamily	Homologous Superfamily
B	IPR001073	C1q domain	Domain
B	IPR050392	Collagen/C1q domain-containing	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C	Pharos: P02747	C1Q deficiency Liver Cirrhosis, Experimental myopathy pancreatic ductal adenocarcinoma tuberculosis adrenal cortex carcinoma breast cancer Creutzfeldt Jacob disease Emery-Dreifuss muscular dystrophy interstitial cystitis large cell medulloblastoma lung carcinoma non-small cell lung carcinoma pilocytic astrocytoma ulcerative colitis C1Q deficiency Liver Cirrhosis, Experimental myopathy pancreatic ductal adenocarcinoma tuberculosis adrenal cortex carcinoma breast cancer Creutzfeldt Jacob disease Emery-Dreifuss muscular dystrophy interstitial cystitis large cell medulloblastoma lung carcinoma non-small cell lung carcinoma pilocytic astrocytoma ulcerative colitis astrocytic tumor Down syndrome glioblastoma invasive ductal breast carcinoma limb-girdle muscular dystrophy malignant glioma ovarian cancer subependymal giant cell astrocytoma Becker muscular dystrophy chronic obstructive pulmonary disease Duchenne muscular dystrophy head and neck cancer juvenile dermatomyositis
A	Pharos: P02745	C1Q deficiency IgA glomerulonephritis membranoproliferative glomerulonephritis type III hypersensitivity disease Down syndrome systemic lupus erythematosus Liver Cirrhosis, Experimental lung adenocarcinoma adrenal cortex carcinoma myopathy Becker muscular dystrophy pancreatic intraductal papillary-mucinous carcinoma Creutzfeldt Jacob disease pilocytic astrocytoma subependymal giant cell astrocytoma C1Q deficiency IgA glomerulonephritis membranoproliferative glomerulonephritis type III hypersensitivity disease Down syndrome systemic lupus erythematosus Liver Cirrhosis, Experimental lung adenocarcinoma adrenal cortex carcinoma myopathy Becker muscular dystrophy pancreatic intraductal papillary-mucinous carcinoma Creutzfeldt Jacob disease pilocytic astrocytoma subependymal giant cell astrocytoma exanthem head and neck cancer invasive ductal breast carcinoma limb-girdle muscular dystrophy lung cancer malignant glioma astrocytic tumor non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm cutaneous lupus erythematosus primary membranoproliferative glomerulonephritis Duchenne muscular dystrophy ulcerative colitis juvenile dermatomyositis lung carcinoma medulloblastoma autosomal systemic lupus erythematosus type 16 ovarian cancer chronic obstructive pulmonary disease pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia dense deposit disease schizophrenia esophageal adenocarcinoma tuberculosis glioblastoma interstitial cystitis
B	Pharos: P02746	C1Q deficiency IgA glomerulonephritis Liver Cirrhosis, Experimental cirrhosis of liver primary immunodeficiency disease Down syndrome juvenile dermatomyositis lung carcinoma myocardial ischemia adrenal cortex carcinoma non-small cell lung carcinoma Creutzfeldt Jacob disease Sjogren syndrome ulcerative colitis glioblastoma C1Q deficiency IgA glomerulonephritis Liver Cirrhosis, Experimental cirrhosis of liver primary immunodeficiency disease Down syndrome juvenile dermatomyositis lung carcinoma myocardial ischemia adrenal cortex carcinoma non-small cell lung carcinoma Creutzfeldt Jacob disease Sjogren syndrome ulcerative colitis glioblastoma interstitial cystitis large cell medulloblastoma lung adenocarcinoma myopathy ovarian cancer chronic kidney disease pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia coronary artery disease psoriasis cutaneous lupus erythematosus subependymal giant cell astrocytoma esophageal adenocarcinoma head and neck cancer invasive ductal breast carcinoma limb-girdle muscular dystrophy lung cancer medulloblastoma nasopharyngeal carcinoma astrocytic tumor ovarian cyst chronic obstructive pulmonary disease pilocytic astrocytoma corpus luteum cyst schizophrenia dermatomyositis tuberculosis