Annotations: 8G3V

N2 neuraminidase of A/Hong_Kong/2671/2019 in complex with 4 FNI19 Fab molecules

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
L [auth O]	Glyco_hydro_43	e8g3vO1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
I [auth N]	Glyco_hydro_43	e8g3vN1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
F [auth M]	Glyco_hydro_43	e8g3vM1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
C [auth L]	Glyco_hydro_43	e8g3vL1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
K [auth D]	Glyco_hydro_43	e8g3vD1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
H [auth C]	Glyco_hydro_43	e8g3vC1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
E [auth B]	Glyco_hydro_43	e8g3vB1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
B [auth A]	Glyco_hydro_43	e8g3vA1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
J	Glyco_hydro_43	e8g3vJ1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
G [auth I]	Glyco_hydro_43	e8g3vI1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
D [auth H]	Glyco_hydro_43	e8g3vH1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)
A [auth G]	Glyco_hydro_43	e8g3vG1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Glyco_hydro_43	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L [auth O]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
I [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
F [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
K [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
H [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
E [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L], F [auth M], I [auth N], L [auth O]	Light Chain	IGKV3	Kappa	neuraminidase	SAbDab (2026-10-16)
B [auth A], E [auth B], H [auth C], K [auth D]	Heavy Chain	IGHV1	-	neuraminidase	SAbDab (2026-10-16)