6EAQ

Glycosylated FCGR3B / CD16b in complex with afucosylated IgG1 Fc

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6eaqa1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d6eaqb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d6eaqc1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	I set domains	automated matches	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)
C	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054821	3000071	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8055588	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	PF07654	e6eaqA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
B	PF07654	e6eaqB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
C	PF13895	e6eaqC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF13895	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)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

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
A, B	IgG1 Fc fragment	CH2-CH3	Homo sapiens (human)	IGHG101, IGHG102, IGHG103, IGHG104, IGHG1*05	C-DOMAIN CH2, C-DOMAIN CH3	FPIA	CH2-CH3	IMGT (202416-0)
C	Fc gamma receptor IIIb (CD16b)	FCGR3B	Homo sapiens (human)	FCGR3B*01	C-LIKE-DOMAIN FCGR3B	RPI	FCGR3B	IMGT (202416-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
C	PF13895	Immunoglobulin domain (Ig_2)	Immunoglobulin domain	This domain contains immunoglobulin-like domains.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Immunoglobulin gamma-1 heavy chain	-	response to stimulus immune response immune system process adaptive immune response	cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex immunoglobulin complex extracellular region
C	Low affinity immunoglobulin gamma Fc region receptor III-B	protein-containing complex binding binding immunoglobulin binding IgG binding lipid binding phospholipid binding GPI anchor binding glycolipid binding carbohydrate derivative binding phosphatidylinositol binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cellular process signal transduction cell communication immune response immune system process regulation of response to stimulus regulation of immune response cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cellular process signal transduction cell communication immune response immune system process regulation of response to stimulus regulation of immune response regulation of immune system process	membrane cellular anatomical entity side of membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle membrane cellular anatomical entity side of membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane extracellular region extracellular exosome extracellular vesicle extracellular organelle extracellular space extracellular membrane-bounded organelle cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003597	Immunoglobulin C1-set	Domain
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003599	Immunoglobulin subtype	Domain
A, B	IPR013106	Immunoglobulin V-set domain	Domain
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
C	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C	IPR003599	Immunoglobulin subtype	Domain
C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C	Pharos: O75015	granulomatosis with polyangiitis allergic contact dermatitis lupus nephritis lymphatic system disease Neuropsychiatric Systemic Lupus Erythematosus ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis central nervous system lupus ulcerative colitis cutaneous lupus erythematosus interstitial cystitis lung adenocarcinoma malignant pancreatic neoplasm non-small cell lung carcinoma granulomatosis with polyangiitis allergic contact dermatitis lupus nephritis lymphatic system disease Neuropsychiatric Systemic Lupus Erythematosus ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis central nervous system lupus ulcerative colitis cutaneous lupus erythematosus interstitial cystitis lung adenocarcinoma malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma periodontitis autoimmune disease Takayasu arteritis congenital anemia Hashimoto thyroiditis large cell medulloblastoma lung cancer nasopharyngeal carcinoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma cancer tuberculosis Crohn disease dermatomyositis HIV infectious disease leukopenia

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.