Annotations: 9MQR

A8 Fab in complex with CD97

External Resource: Annotation

SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth D]	Heavy Chain	IGHV3	-	adhesion g protein-coupled receptor e5	SAbDab (2026-05-08)
C [auth E]	Light Chain	IGKV1	Kappa	adhesion g protein-coupled receptor e5	SAbDab (2026-05-08)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01825	GPCR proteolysis site, GPS, motif (GPS)	GPCR proteolysis site, GPS, motif	-	Motif

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Adhesion G protein-coupled receptor E5	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular transducer activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity	response to stimulus immune response immune system process regulation of biological process signaling biological regulation cell-cell signaling cellular process cell communication cellular response to stimulus regulation of cellular process cell surface receptor signaling pathway signal transduction cell adhesion response to stimulus immune response immune system process regulation of biological process signaling biological regulation cell-cell signaling cellular process cell communication cellular response to stimulus regulation of cellular process cell surface receptor signaling pathway signal transduction cell adhesion defense response response to stress inflammatory response G protein-coupled receptor signaling pathway	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle cell periphery plasma membrane intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle secretory granule secretory vesicle cytoplasm organelle membrane secretory granule membrane
B [auth D]	Heavy chain of A8 Fab	-	-	-
C [auth E]	Light chain of A8 Fab	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017983	GPCR, family 2, secretin-like, conserved site	Conserved Site
A	IPR049883	NOTCH1, EGF-like calcium-binding domain	Domain
A	IPR018097	EGF-like calcium-binding, conserved site	Conserved Site
A	IPR003056	GPCR, family 2, ADGRE2/ADGRE5	Family
A	IPR000832	GPCR, family 2, secretin-like	Family
A	IPR000203	GPS motif	Conserved Site
A	IPR000742	EGF-like domain	Domain
A	IPR017981	GPCR, family 2-like, 7TM	Domain
A	IPR009030	Growth factor receptor cysteine-rich domain superfamily	Homologous Superfamily
A	IPR001881	EGF-like calcium-binding domain	Domain
A	IPR046338	GAIN domain superfamily	Homologous Superfamily
A	IPR057244	GAIN, subdomain B	Domain
A	IPR000152	EGF-type aspartate/asparagine hydroxylation site	PTM

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P48960	acute myeloid leukemia exocrine pancreatic carcinoma interstitial cystitis lung disease MALT lymphoma pancreatic ductal adenocarcinoma pilocytic astrocytoma Barrett esophagus gastric carcinoma lung adenocarcinoma Lung diseases nephrolithiasis pancreatic intraductal papillary-mucinous carcinoma psoriasis esophageal adenocarcinoma acute myeloid leukemia exocrine pancreatic carcinoma interstitial cystitis lung disease MALT lymphoma pancreatic ductal adenocarcinoma pilocytic astrocytoma Barrett esophagus gastric carcinoma lung adenocarcinoma Lung diseases nephrolithiasis pancreatic intraductal papillary-mucinous carcinoma psoriasis esophageal adenocarcinoma glioblastoma lung carcinoma malignant glioma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm

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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.