Annotations: 9NTT

Identification and non-clinical characterization of SAR444200, a novel anti-GPC3 T-cell engager for the treatment of GPC3+ solid tumors

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab 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)
B	Neur_chan_memb	e9nttB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Neur_chan_memb	ECOD (v295.2)
A	Neur_chan_memb	e9nttA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Neur_chan_memb	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV3	-	-	SAbDab (2026-08-21)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01153	Glypican (Glypican)	Glypican	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	A0226018C08	-	-	-
A	Glypican-3	peptidyl-dipeptidase inhibitor activity enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity	cellular response to stimulus regulation of biological process regulation of signaling regulation of cellular process cell surface receptor signaling pathway response to stimulus regulation of Wnt signaling pathway signaling regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway biological regulation regulation of signal transduction cell communication regulation of response to stimulus cellular response to stimulus regulation of biological process regulation of signaling regulation of cellular process cell surface receptor signaling pathway response to stimulus regulation of Wnt signaling pathway signaling regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway biological regulation regulation of signal transduction cell communication regulation of response to stimulus regulation of cell communication cellular process signal transduction Wnt signaling pathway developmental process multicellular organismal process embryonic morphogenesis embryo development gastrulation multicellular organism development anatomical structure morphogenesis ameboidal-type cell migration anatomical structure development cell migration cell motility cell migration involved in gastrulation regulation of localization cellular localization regulation of protein localization localization within membrane protein localization to membrane localization regulation of cellular localization macromolecule localization intracellular protein localization regulation of protein localization to membrane regulation of non-canonical Wnt signaling pathway non-canonical Wnt signaling pathway positive regulation of cell communication positive regulation of signal transduction positive regulation of biological process positive regulation of response to stimulus positive regulation of Wnt signaling pathway positive regulation of cellular process positive regulation of canonical Wnt signaling pathway positive regulation of signaling catabolic process positive regulation of protein metabolic process macromolecule catabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process protein metabolic process regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process protein catabolic process regulation of catabolic process positive regulation of protein catabolic process positive regulation of catabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process mesonephric epithelium development kidney epithelium development nephric duct morphogenesis nephron morphogenesis nephron tubule morphogenesis nephron epithelium morphogenesis nephron tubule development renal system development tube morphogenesis renal tubule development animal organ morphogenesis epithelial tube morphogenesis nephron development system development nephron epithelium development epithelium development tube development mesonephros development animal organ development morphogenesis of an epithelium tissue development mesonephric duct morphogenesis tissue morphogenesis kidney morphogenesis nephric duct development mesonephric tubule morphogenesis kidney development animal gross anatomical part developmental process mesonephric tubule development renal tubule morphogenesis mesonephric duct development heart development coronary vasculature development vasculature development circulatory system development blood vessel development cell population proliferation cell proliferation involved in kidney development negative regulation of signaling negative regulation of biological process negative regulation of cell communication negative regulation of smoothened signaling pathway negative regulation of cellular process regulation of smoothened signaling pathway negative regulation of response to stimulus negative regulation of signal transduction smoothened signaling pathway import into cell positive regulation of cellular component organization regulation of cellular component organization regulation of transport transport establishment of localization cellular component organization positive regulation of endocytosis positive regulation of transport cellular component organization or biogenesis endocytosis regulation of endocytosis ureteric bud development mesenchymal cell proliferation involved in ureteric bud development mesenchymal cell proliferation	membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen Golgi lumen intracellular organelle cellular anatomical structure organelle lumen organelle cytoplasm membrane membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen Golgi lumen intracellular organelle cellular anatomical structure organelle lumen organelle cytoplasm membrane side of membrane endoplasmic reticulum lumen endoplasmic reticulum lytic vacuole vacuolar lumen vacuole lysosomal lumen lysosome cell surface cell periphery plasma membrane extracellular matrix external encapsulating structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001863	Glypican	Family
A	IPR019803	Glypican, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P51654	Simpson-Golabi-Behmel syndrome type 1 kidney Wilms tumor liver disease lung carcinoma mesothelioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia adenoma polydactyly arthrogryposis benign mesothelioma breast carcinoma ductal breast carcinoma in situ intellectual disability lung adenocarcinoma malignant ependymoma Simpson-Golabi-Behmel syndrome type 1 kidney Wilms tumor liver disease lung carcinoma mesothelioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia adenoma polydactyly arthrogryposis benign mesothelioma breast carcinoma ductal breast carcinoma in situ intellectual disability lung adenocarcinoma malignant ependymoma non-small cell lung carcinoma Perlman syndrome adrenal cortex adenoma primitive neuroectodermal tumor atopic eczema SIMPSON-GOLABI-BEHMEL SYNDROME, TYPE 1 cancer hepatocellular carcinoma interstitial cystitis lung cancer medulloblastoma pancreatic intraductal papillary-mucinous neoplasm pituitary cancer adrenal cortex carcinoma psoriasis atypical teratoid rhabdoid tumor Wilms tumor 1 breast cancer craniosynostosis hereditary Wilms tumor invasive ductal breast carcinoma

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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.