Annotations: 8US0

Human antibody S8V1-157 in complex with the A/American black duck/New Brunswick/00464/2010(H4N6) HA head domain

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth P]	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8098058	3001342	SCOP2B (2022-06-29)
E [auth M]	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8098058	3001342	SCOP2B (2022-06-29)
D [auth J]	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8098058	3001342	SCOP2B (2022-06-29)
C [auth G]	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8098058	3001342	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8098058	3001342	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8098058	3001342	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
Q [auth E]	V-set	e8us0E1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
P [auth Q]	V-set	e8us0Q1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
O [auth N]	V-set	e8us0N1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
N [auth K]	V-set	e8us0K1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
M [auth H]	V-set	e8us0H1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
L [auth B]	CPSase_L_D2	e8us0B01	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: CPSase_L_D2	ECOD (v295.2)
R [auth L]	V-set	e8us0L1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
K [auth F]	V-set	e8us0F1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
J [auth R]	V-set	e8us0R1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
I [auth C]	V-set	e8us0C1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
H [auth I]	V-set	e8us0I1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
G [auth O]	CPSase_L_D2	e8us0O01	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: CPSase_L_D2	ECOD (v295.2)
F [auth P]	V-set	e8us0P1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
E [auth M]	V-set	e8us0M1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
D [auth J]	V-set	e8us0J1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
C [auth G]	V-set	e8us0G1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
B [auth D]	V-set	e8us0D1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
A	CPSase_L_D2	e8us0A01	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: CPSase_L_D2	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
L [auth B], M [auth H], N [auth K], O [auth N], P [auth Q], L [auth B], M [auth H], N [auth K], O [auth N], P [auth Q], Q [auth E]	Heavy Chain	IGHV1	-	hemagglutinin	SAbDab (2026-09-25)
G [auth O], H [auth I], I [auth C], J [auth R], K [auth F], G [auth O], H [auth I], I [auth C], J [auth R], K [auth F], R [auth L]	Light Chain	IGKV2	Kappa	hemagglutinin	SAbDab (2026-09-25)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
L [auth B], M [auth H], N [auth K], O [auth N], P [auth Q], L [auth B], M [auth H], N [auth K], O [auth N], P [auth Q], Q [auth E]	human antibody S8V1-157 heavy chain	-	-	-
G [auth O], H [auth I], I [auth C], J [auth R], K [auth F], G [auth O], H [auth I], I [auth C], J [auth R], K [auth F], R [auth L]	human antibody S8V1-157 light chain	-	-	-
A, B [auth D], C [auth G], D [auth J], E [auth M], A, B [auth D], C [auth G], D [auth J], E [auth M], F [auth P]	Hemagglutinin	host cell surface binding binding host cell surface receptor binding	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction non-lytic viral release viral budding virion assembly exit from host cell viral budding from plasma membrane viral release from host cell import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell	cellular anatomical structure membrane virion component virion membrane viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane other organism part

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth D], C [auth G], D [auth J], E [auth M], A, B [auth D], C [auth G], D [auth J], E [auth M], F [auth P]	IPR001364	Haemagglutinin, influenzavirus A/B	Family
A, B [auth D], C [auth G], D [auth J], E [auth M], A, B [auth D], C [auth G], D [auth J], E [auth M], F [auth P]	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, B [auth D], C [auth G], D [auth J], E [auth M], A, B [auth D], C [auth G], D [auth J], E [auth M], F [auth P]	IPR000149	Haemagglutinin, influenzavirus A	Family
A, B [auth D], C [auth G], D [auth J], E [auth M], A, B [auth D], C [auth G], D [auth J], E [auth M], F [auth P]	IPR013828	Haemagglutinin, HA1 chain, alpha/beta domain superfamily	Homologous Superfamily