4YIQ

Structure of the CEACAM6-CEACAM8 heterodimer

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth C]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8098616	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8098616	3000071	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8098666	3000071	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8098666	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)
B [auth C]	V-set_9	e4yiqC1	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)
A	V-set_9	e4yiqA1	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)
C [auth B]	I-set_7	e4yiqB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set_7	ECOD (1.6)
D	I-set_7	e4yiqD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set_7	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
C [auth B], D	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C]	Carcinoembryonic antigen-related cell adhesion molecule 8	protein heterodimerization activity protein binding binding protein dimerization activity	response to stimulus immune response immune system process heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules cell adhesion cell-cell adhesion cellular process cell-cell adhesion via plasma-membrane adhesion molecules	membrane cellular anatomical entity side of membrane membrane-bounded organelle intracellular anatomical structure tertiary granule membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane membrane cellular anatomical entity side of membrane membrane-bounded organelle intracellular anatomical structure tertiary granule membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule 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 specific granule membrane specific granule extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle lytic vacuole lysosome vacuolar membrane azurophil granule vacuole lytic vacuole membrane lysosomal membrane primary lysosome azurophil granule membrane cell surface cell periphery plasma membrane
C [auth B], D	Carcinoembryonic antigen-related cell adhesion molecule 6	protein heterodimerization activity protein binding binding protein dimerization activity identical protein binding	regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of cell adhesion regulation of cell adhesion positive regulation of cell-cell adhesion heterotypic cell-cell adhesion cell adhesion cell-cell adhesion positive regulation of heterotypic cell-cell adhesion regulation of cell-cell adhesion regulation of heterotypic cell-cell adhesion cell-cell adhesion via plasma-membrane adhesion molecules homophilic cell adhesion via plasma membrane adhesion molecules apoptotic process cell death programmed cell death negative regulation of programmed cell death regulation of apoptotic process regulation of anoikis negative regulation of biological process regulation of programmed cell death negative regulation of anoikis negative regulation of apoptotic process anoikis negative regulation of cellular process heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules endothelial cell-matrix adhesion regulation of cell-substrate adhesion cell-substrate adhesion positive regulation of cell-matrix adhesion positive regulation of endothelial cell-matrix adhesion via fibronectin regulation of endothelial cell-matrix adhesion via fibronectin cell-matrix adhesion positive regulation of cell-substrate adhesion regulation of cell-matrix adhesion endothelial cell-matrix adhesion via fibronectin cellular response to stimulus response to stimulus signaling signal transduction cell communication	membrane cellular anatomical entity side of membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole endomembrane system intracellular organelle membrane cellular anatomical entity side of membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole endomembrane system intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle vesicle lysosome vacuolar membrane azurophil granule vacuole intracellular membrane-bounded organelle lytic vacuole membrane cytoplasmic vesicle membrane organelle lysosomal membrane secretory granule primary lysosome secretory vesicle azurophil granule membrane cytoplasm organelle membrane secretory granule membrane cell surface extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B [auth C]	IPR003599	Immunoglobulin subtype	Domain
A, B [auth C]	IPR003598	Immunoglobulin subtype 2	Domain
A, B [auth C]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B [auth C]	IPR013106	Immunoglobulin V-set domain	Domain
A, B [auth C]	IPR007110	Immunoglobulin-like domain	Domain
C [auth B], D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C [auth B], D	IPR003599	Immunoglobulin subtype	Domain
C [auth B], D	IPR003598	Immunoglobulin subtype 2	Domain
C [auth B], D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C [auth B], D	IPR013106	Immunoglobulin V-set domain	Domain
C [auth B], D	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B [auth C]	Pharos: P31997	diabetes mellitus MALT lymphoma hepatocellular carcinoma osteosarcoma lung cancer tuberculosis
C [auth B], D	Pharos: P40199	Sjogren syndrome Abortion, Spontaneous breast carcinoma ductal breast carcinoma in situ lung cancer malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm cancer interstitial cystitis lung carcinoma nasopharyngeal carcinoma ovarian cancer psoriasis ulcerative colitis Sjogren syndrome Abortion, Spontaneous breast carcinoma ductal breast carcinoma in situ lung cancer malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm cancer interstitial cystitis lung carcinoma nasopharyngeal carcinoma ovarian cancer psoriasis ulcerative colitis breast cancer Crohn disease invasive ductal breast carcinoma malignant colon neoplasm non-small cell lung carcinoma pancreatic ductal adenocarcinoma

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.