2QSQ | pdb_00002qsq

Crystal structure of the N-terminal domain of carcinoembryonic antigen (CEA)

External Resource: Annotation

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: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e2qsqA1	A: Profilin-like	X: sensor domains	H: sensor domains	T: C1-set	F:	ECOD (20:10:01)
B		e2qsqB1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: Abhydrolase_1	F:	ECOD (20:10:01)

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)

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	Carcinoembryonic antigen (CEA)-related cell adhesion	1V-LIKE	Homo sapiens (human)	CEACAM1	V-LIKE-DOMAIN V-LIKE	RPI	1V-LIKE_1V-LIKE	IMGT (202609-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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	Carcinoembryonic antigen-related cell adhesion molecule 5	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity lipid binding phospholipid binding GPI anchor binding glycolipid binding carbohydrate derivative binding phosphatidylinositol binding	regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process cellular process apoptotic process programmed cell death regulation of anoikis regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process cellular process apoptotic process programmed cell death regulation of anoikis negative regulation of anoikis anoikis heterophilic cell-cell adhesion cell adhesion cell-cell adhesion regulation of developmental process cellular developmental process negative regulation of muscle cell differentiation regulation of cell differentiation regulation of striated muscle cell differentiation muscle cell differentiation myotube differentiation muscle structure development negative regulation of myotube differentiation cell differentiation regulation of myotube differentiation anatomical structure development negative regulation of cell differentiation developmental process negative regulation of developmental process negative regulation of striated muscle cell differentiation regulation of muscle cell differentiation striated muscle cell differentiation homophilic cell-cell adhesion homotypic cell-cell adhesion	cellular anatomical structure membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical structure membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cell surface basal part of cell basal plasma membrane basolateral plasma membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003598	Immunoglobulin subtype 2	Domain
A, B	IPR013106	Immunoglobulin V-set domain	Domain
A, B	IPR003599	Immunoglobulin domain subtype	Domain
A, B	IPR050831	Carcinoembryonic antigen-related cell adhesion	Family
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P06731	cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Abortion, Spontaneous breast cancer ductal breast carcinoma in situ lung carcinoma nasopharyngeal carcinoma pancreatic intraductal papillary-mucinous carcinoma breast carcinoma cystic fibrosis lung adenocarcinoma lung disease non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm asthma cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Abortion, Spontaneous breast cancer ductal breast carcinoma in situ lung carcinoma nasopharyngeal carcinoma pancreatic intraductal papillary-mucinous carcinoma breast carcinoma cystic fibrosis lung adenocarcinoma lung disease non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm asthma breast disease digestive system disease lung cancer malignant pancreatic neoplasm pancreatic ductal adenocarcinoma

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.