Annotations: 6OUS

Structure of fusion glycoprotein from human respiratory syncytial virus

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Thera-SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
X	YEATS	e6ousX1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
V	YEATS	e6ousV1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
T	YEATS	e6ousT1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
R	YEATS	e6ousR1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
P	YEATS	e6ousP1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
N	YEATS	e6ousN1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
W	YEATS	e6ousW1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
U	YEATS	e6ousU1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
S	YEATS	e6ousS1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
Q	YEATS	e6ousQ1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
O	YEATS	e6ousO1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
M	YEATS	e6ousM1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
L	YEATS	e6ousL1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
J	YEATS	e6ousJ1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
H	YEATS	e6ousH1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
F	YEATS	e6ousF1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
D	YEATS	e6ousD1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
B	YEATS	e6ousB1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
K	YEATS	e6ousK1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
I	YEATS	e6ousI1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
G	YEATS	e6ousG1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
E	YEATS	e6ousE1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
C	YEATS	e6ousC1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)
A	YEATS	e6ousA1	A: beta barrels	X: jelly-roll	H: DUF1107-like	T: DUF1107-like	F: YEATS	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
X	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
V	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
T	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
R	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
P	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
N	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
W	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
U	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
S	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
Q	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
O	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
M	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

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
N, P, R, T, V N, P, R, T, V, X	Fab RB1, broadly neutralizing	L-KAPPA	Homo sapiens (human)	-	-	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)
M, O, Q, S, U M, O, Q, S, U, W	Fab RB1, broadly neutralizing	VH-CH1	Homo sapiens (human)	-	-	IG	FAB-GAMMA-1_KAPPA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
N, P, R, T, V N, P, R, T, V, X	Light Chain	IGKV1	Kappa	fusion glycoprotein f1 fused with fibritin trimerizationdomain \| fusion glycoprotein f2	SAbDab (2026-05-08)
M, O, Q, S, U M, O, Q, S, U, W	Heavy Chain	IGHV3	-	fusion glycoprotein f1 fused with fibritin trimerizationdomain \| fusion glycoprotein f2	SAbDab (2026-05-08)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

Chain	Name	Target	Provenance Source
N, P, R, T, V N, P, R, T, V, X	Clesrovimab	RSV gpF	Therapeutic SAbDab (2026-05-08)
M, O, Q, S, U M, O, Q, S, U, W	Clesrovimab	RSV gpF	Therapeutic SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
N, P, R, T, V N, P, R, T, V, X	RB1 Fab Light chain	-	-	-
M, O, Q, S, U M, O, Q, S, U, W	RB1 Fab Heavy Chain	-	-	-
B, D, F, H, J B, D, F, H, J, L	Fusion glycoprotein F1 fused with Fibritin trimerization domain	identical protein binding protein binding binding	symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction 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 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 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 Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region
A, C, E, G, I A, C, E, G, I, K	Fusion glycoprotein F2	identical protein binding protein binding binding	symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated induction of syncytium formation symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction 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 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 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 Golgi membrane host cell Golgi apparatus host cell cytoplasm part host cell cytoplasm host cell endomembrane system host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D, F, H, J B, D, F, H, J, L	IPR012473	Fibritin C-terminal	Domain
B, D, F, H, J B, D, F, H, J, L	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family
A, C, E, G, I A, C, E, G, I, K	IPR000776	Precursor fusion glycoprotein F0, Paramyxoviridae	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, C, E, G, I A, C, E, G, I, K	PCA	Parent Component: GLN : AA0031 : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420