7LBG | pdb_00007lbg

CryoEM structure of the HCMV Trimer gHgLgO in complex with human Transforming growth factor beta receptor type 3 and neutralizing fabs 13H11 and MSL-109

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
SAbDab 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)
G	d7lbgg_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E	d7lbge_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Omp85	e7lbgB1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Omp85	ECOD (v294.1)
H	Omp85	e7lbgH1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Omp85	ECOD (v294.1)
G	Omp85	e7lbgG1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Omp85	ECOD (v294.1)
F	Omp85	e7lbgF1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Omp85	ECOD (v294.1)
E	Omp85	e7lbgE1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Omp85	ECOD (v294.1)
A	Omp85	e7lbgA1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Omp85	ECOD (v294.1)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
H	Heavy Chain	IGHV3	-	envelope glycoprotein h	SAbDab (2026-03-27)
G	Light Chain	IGKV2	Kappa	envelope glycoprotein h	SAbDab (2026-03-27)
F	Heavy Chain	IGHV1	-	envelope glycoprotein h	SAbDab (2026-03-27)
E	Light Chain	IGKV1	Kappa	envelope glycoprotein h	SAbDab (2026-03-27)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF01801	Cytomegalovirus glycoprotein L (Cytomega_gL)	Cytomegalovirus glycoprotein L	-	Family
A	PF17488	Herpesvirus glycoprotein H C-terminal domain (Herpes_glycoH_C)	Herpesvirus glycoprotein H C-terminal domain	Herpesvirus glycoprotein H (gH) is a virion associated envelope glycoprotein [2]. Complex formation between gH and gL has been demonstrated in both virions and infected cells [1]. This entry represents the C-terminal domain.	Domain
A	PF02489	Herpesvirus glycoprotein H main domain (Herpes_glycop_H)	Herpesvirus glycoprotein H main domain	Herpesvirus glycoprotein H (gH) is a virion associated envelope glycoprotein [2]. Complex formation between gH and gL has been demonstrated in both virions and infected cells [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Envelope glycoprotein L	-	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell viral life cycle membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	cell periphery cellular anatomical structure plasma membrane membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion membrane host intracellular part cell periphery cellular anatomical structure plasma membrane membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion membrane host intracellular part host cell cytoplasm host cell Golgi apparatus host intracellular region host cell cytoplasm part
H	Fab MSL-109 heavy chain	-	-	-
G	Fab MSL-109 light chain	-	-	-
F	Fab 13H11 heavy chain	-	-	-
E	Fab 13H11 light chain	-	-	-
D	Transforming growth factor beta receptor type 3	molecular transducer activity coreceptor activity signaling receptor activity protein-containing complex binding activin binding binding BMP binding protein binding cytokine binding transforming growth factor beta receptor binding signaling receptor binding cytokine receptor binding fibroblast growth factor binding growth factor binding molecular transducer activity coreceptor activity signaling receptor activity protein-containing complex binding activin binding binding BMP binding protein binding cytokine binding transforming growth factor beta receptor binding signaling receptor binding cytokine receptor binding fibroblast growth factor binding growth factor binding protein serine/threonine kinase activity catalytic activity, acting on a protein transforming growth factor beta receptor activity, type III kinase activity protein kinase activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups transmembrane receptor protein serine/threonine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity transforming growth factor beta receptor activity PDZ domain binding protein domain specific binding transforming growth factor beta binding type II transforming growth factor beta receptor binding SMAD binding glycosaminoglycan binding carbohydrate derivative binding heparin binding sulfur compound binding	cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction enzyme-linked receptor protein signaling pathway positive regulation of cellular process regulation of biological process regulation of signaling cell surface receptor signaling pathway biological regulation positive regulation of intracellular signal transduction positive regulation of transmembrane receptor protein serine/threonine kinase signaling pathway SMAD protein signal transduction regulation of response to stimulus regulation of cell communication cellular process regulation of SMAD protein signal transduction positive regulation of SMAD protein signal transduction positive regulation of signaling cellular response to growth factor stimulus cellular response to transforming growth factor beta stimulus cellular component organization cellular component biogenesis cellular response to endogenous stimulus cellular component assembly protein-containing complex assembly cellular component organization or biogenesis transforming growth factor beta receptor complex assembly protein-containing complex organization response to endogenous stimulus response to transforming growth factor beta transforming growth factor beta receptor signaling pathway response to growth factor transforming growth factor beta receptor superfamily signaling pathway response to gonadotropin response to hormone response to luteinizing hormone response to chemical response to peptide hormone response to oxygen-containing compound response to nitrogen compound developmental process heart development multicellular organismal process cardiac chamber morphogenesis animal organ development heart morphogenesis ventricular septum development circulatory system development multicellular organism development anatomical structure morphogenesis cardiac septum development cardiac septum morphogenesis ventricular septum morphogenesis cardiac chamber development anatomical structure development animal organ morphogenesis cardiac ventricle development system development heart growth cell population proliferation developmental growth cardiac muscle tissue development cardiac muscle cell proliferation growth organ growth tissue development striated muscle tissue development muscle cell proliferation cardiac muscle tissue growth muscle tissue development striated muscle cell proliferation regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process regulation of growth positive regulation of cell population proliferation regulation of developmental process regulation of cardiac muscle tissue growth positive regulation of developmental process positive regulation of cardiac muscle cell proliferation regulation of organ growth regulation of heart growth regulation of cardiac muscle cell proliferation regulation of multicellular organismal process positive regulation of developmental growth positive regulation of heart growth regulation of multicellular organismal development regulation of developmental growth positive regulation of organ growth positive regulation of growth regulation of cell population proliferation positive regulation of cardiac muscle tissue growth positive regulation of multicellular organismal process cell migration cell motility negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process negative regulation of cell communication negative regulation of cellular process negative regulation of response to stimulus negative regulation of signal transduction negative regulation of SMAD protein signal transduction negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of transforming growth factor beta receptor signaling pathway regulation of transforming growth factor beta receptor signaling pathway regulation of cellular response to transforming growth factor beta stimulus regulation of cellular response to growth factor stimulus secondary palate development roof of mouth development cellular developmental process cell differentiation mesenchyme development mesenchymal cell differentiation epithelial to mesenchymal transition negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility negative regulation of cell migration locomotion cardiac epithelial to mesenchymal transition response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus definitive hemopoiesis hemopoiesis cell development negative regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation negative regulation of epithelial cell proliferation ventricular cardiac muscle tissue morphogenesis muscle structure development ventricular cardiac muscle tissue development muscle organ development muscle tissue morphogenesis tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis muscle organ morphogenesis response to follicle-stimulating hormone positive regulation of locomotion cell migration involved in sprouting angiogenesis regulation of blood vessel endothelial cell migration endothelial cell migration angiogenesis positive regulation of cell migration tube morphogenesis positive regulation of cell motility blood vessel endothelial cell migration regulation of endothelial cell migration positive regulation of cell migration involved in sprouting angiogenesis blood vessel development blood vessel morphogenesis tube development regulation of cell migration involved in sprouting angiogenesis sprouting angiogenesis vasculature development positive regulation of blood vessel endothelial cell migration positive regulation of endothelial cell migration anatomical structure formation involved in morphogenesis hepaticobiliary system development gland development liver development cellular response to BMP stimulus response to BMP BMP signaling pathway immune response immune system process positive regulation of transforming growth factor beta receptor signaling pathway positive regulation of cellular response to transforming growth factor beta stimulus negative regulation of canonical NF-kappaB signal transduction canonical NF-kappaB signal transduction regulation of canonical NF-kappaB signal transduction heart trabecula morphogenesis trabecula morphogenesis negative regulation of extracellular matrix organization regulation of cellular component organization negative regulation of cellular component organization extracellular matrix organization regulation of cellular component biogenesis regulation of extracellular matrix assembly negative regulation of extracellular matrix assembly regulation of extracellular matrix organization extracellular matrix assembly extracellular structure organization external encapsulating structure organization vasculogenesis coronary vasculature development vasculogenesis involved in coronary vascular morphogenesis coronary vasculature morphogenesis homeostatic process erythrocyte differentiation definitive erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation homeostasis of number of cells myeloid cell homeostasis erythrocyte homeostasis muscular septum morphogenesis heart trabecula formation trabecula formation cardiac fibroblast cell differentiation cardiocyte differentiation epicardium-derived cardiac fibroblast cell differentiation cardiac fibroblast cell development epicardium-derived cardiac fibroblast cell development cardiac cell development response to ketone response to prostaglandin response to lipid response to alcohol response to prostaglandin E animal organ regeneration regeneration ventricular compact myocardium morphogenesis outflow tract morphogenesis	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane protein-containing complex signaling receptor complex plasma membrane protein complex inhibin-betaglycan-ActRII complex membrane protein complex
C	Envelope glycoprotein O	-	-	virion component viral membrane viral envelope
A	Envelope glycoprotein H	-	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell viral life cycle membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell entry receptor-mediated virion attachment to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	cell periphery cellular anatomical structure plasma membrane membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion membrane host intracellular membrane-bounded organelle cell periphery cellular anatomical structure plasma membrane membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part virion membrane host intracellular membrane-bounded organelle host intracellular part host cell cytoplasm part host intracellular organelle host cell endosome membrane host cell cytoplasm host cell endosome host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR002689	Cytomegalovirus glycoprotein L	Family
D	IPR055355	ZP-C domain	Domain
D	IPR042235	Zona pellucida, ZP-C domain	Homologous Superfamily
D	IPR058899	TGFBR3/Endoglin-like, N-terminal domain	Domain
D	IPR055356	ZP-N domain	Domain
D	IPR017977	Zona pellucida domain, conserved site	Conserved Site
D	IPR048290	Zona pellucida domain, chordate-type	Domain
D	IPR001507	Zona pellucida domain	Domain
C	IPR012564	Herpesvirus UL74, glycoprotein	Family
A	IPR038172	Herpesvirus glycoprotein H, C-terminal domain superfamily	Homologous Superfamily
A	IPR003493	Herpesvirus glycoprotein H	Family
A	IPR035305	Herpesvirus glycoprotein H, C-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
D	Pharos: Q03167	malignant glioma medulloblastoma open-angle glaucoma pancreatic intraductal papillary-mucinous carcinoma adrenoleukodystrophy pituitary cancer B-cell chronic lymphocytic leukemia cutaneous lupus erythematosus Emery-Dreifuss muscular dystrophy interstitial cystitis large cell medulloblastoma lung carcinoma malignant mesothelioma myopathy ovarian cancer malignant glioma medulloblastoma open-angle glaucoma pancreatic intraductal papillary-mucinous carcinoma adrenoleukodystrophy pituitary cancer B-cell chronic lymphocytic leukemia cutaneous lupus erythematosus Emery-Dreifuss muscular dystrophy interstitial cystitis large cell medulloblastoma lung carcinoma malignant mesothelioma myopathy ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia aneurysm, intracranial berry type 1 primitive neuroectodermal tumor breast cancer cystic fibrosis facioscapulohumeral muscular dystrophy invasive ductal breast carcinoma lung adenocarcinoma malignant ependymoma MALT lymphoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma Pick disease atopic eczema psoriasis breast carcinoma ductal breast carcinoma in situ glioblastoma juvenile dermatomyositis lung cancer

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.