Annotations: 8UT2

Pre-fusion Measles virus fusion protein complexed with Fab 77

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	V-set	e8ut2E1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
C	V-set	e8ut2C1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
A	CPSase_L_D2	e8ut2A01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: CPSase_L_D2	ECOD (v295)
L	V-set	e8ut2L1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
J	V-set	e8ut2J1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
H	CPSase_L_D2	e8ut2H01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: CPSase_L_D2	ECOD (v295)
K	V-set	e8ut2K1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
I	V-set	e8ut2I1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
G	CPSase_L_D2	e8ut2G01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: CPSase_L_D2	ECOD (v295)
F	V-set	e8ut2F1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
D	V-set	e8ut2D1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: V-set	ECOD (v295)
B	CPSase_L_D2	e8ut2B01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: CPSase_L_D2	ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
H, J, L	Heavy Chain	IGHV3	-	fusion glycoprotein f0 \| fusion glycoprotein f0	SAbDab (2026-06-26)
G, I, K	Light Chain	IGKV16	Kappa	fusion glycoprotein f0 \| fusion glycoprotein f0	SAbDab (2026-06-26)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E	Fusion glycoprotein F0	-	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 biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane
H, J, L	mAb 77 Heavy Chain	-	-	-
G, I, K	mAb 77 Light chain	-	-	-
B, D, F	Fusion glycoprotein F0	-	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 biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction	virion component viral membrane viral envelope host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part virion membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family
B, D, F	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family

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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.