4FQR | pdb_00004fqr

Crystal structure of broadly neutralizing antibody C05 bound to H3 influenza hemagglutinin

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
X	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
V	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
T	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
R	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
P	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
N	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8088048	3001616	SCOP2B (2022-06-29)
W	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
U	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
S	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
Q	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
O	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
M	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	3001342	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Influenza hemagglutinin domain-like	8094281	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)
Z [auth b]	C1-set_4	e4fqrb2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
Z [auth b]	V-set	e4fqrb1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
VA [auth x]	C1-set_4	e4fqrx4	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
VA [auth x]	V-set	e4fqrx1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
TA [auth v]	C1-set_4	e4fqrv2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
TA [auth v]	V-set	e4fqrv1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
RA [auth t]	C1-set_4	e4fqrt2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
RA [auth t]	V-set	e4fqrt1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
PA [auth r]	C1-set_4	e4fqrr2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
PA [auth r]	V-set	e4fqrr1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
NA [auth p]	C1-set_4	e4fqrp2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
NA [auth p]	V-set	e4fqrp1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
LA [auth n]	C1-set_4	e4fqrn2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
LA [auth n]	V-set	e4fqrn1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
JA [auth l]	C1-set_4	e4fqrl2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
JA [auth l]	V-set	e4fqrl1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
HA [auth j]	C1-set_4	e4fqrj2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
HA [auth j]	V-set	e4fqrj1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
FA [auth h]	C1-set_4	e4fqrh2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
FA [auth h]	V-set	e4fqrh1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
DA [auth f]	C1-set_4	e4fqrf2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
DA [auth f]	V-set	e4fqrf1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
BA [auth d]	C1-set_4	e4fqrd2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
BA [auth d]	V-set	e4fqrd1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
Y [auth a]	C1-set_1	e4fqra2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
Y [auth a]	V-set_12	e4fqra1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
UA [auth w]	C1-set_1	e4fqrw2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
UA [auth w]	V-set_12	e4fqrw1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
SA [auth u]	C1-set_1	e4fqru2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
SA [auth u]	V-set_12	e4fqru1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
QA [auth s]	C1-set_1	e4fqrs2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
QA [auth s]	V-set_12	e4fqrs1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
OA [auth q]	C1-set_1	e4fqrq2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
OA [auth q]	V-set_12	e4fqrq1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
MA [auth o]	C1-set_1	e4fqro2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
MA [auth o]	V-set_12	e4fqro1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
KA [auth m]	C1-set_1	e4fqrm2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
KA [auth m]	V-set_12	e4fqrm1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
IA [auth k]	C1-set_1	e4fqrk2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
IA [auth k]	V-set_12	e4fqrk1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
GA [auth i]	C1-set_1	e4fqri2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
GA [auth i]	V-set_12	e4fqri1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
EA [auth g]	C1-set_1	e4fqrg2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
EA [auth g]	V-set_12	e4fqrg1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
CA [auth e]	C1-set_1	e4fqre2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
CA [auth e]	V-set_12	e4fqre1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
AA [auth c]	C1-set_1	e4fqrc2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
AA [auth c]	V-set_12	e4fqrc1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
W	Hemagglutinin_1st	e4fqrW1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
U	Hemagglutinin_1st	e4fqrU1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
S	Hemagglutinin_1st	e4fqrS1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
Q	Hemagglutinin_1st	e4fqrQ1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
O	Hemagglutinin_1st	e4fqrO1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
M	Hemagglutinin_1st	e4fqrM1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
K	Hemagglutinin_1st	e4fqrK1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
I	Hemagglutinin_1st	e4fqrI1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
G	Hemagglutinin_1st	e4fqrG1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
E	Hemagglutinin_1st	e4fqrE1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
C	Hemagglutinin_1st	e4fqrC1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)
A	Hemagglutinin_1st	e4fqrA1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: Hemagglutinin_1st	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
BA [auth d], DA [auth f], FA [auth h], HA [auth j], JA [auth l], BA [auth d], DA [auth f], FA [auth h], HA [auth j], JA [auth l], LA [auth n], NA [auth p], PA [auth r], RA [auth t], TA [auth v], VA [auth x], Z [auth b]	Light Chain	IGKV1	Kappa	broadly neutralizing antibody c05, heavy chain	SAbDab (2025-10-31)
AA [auth c], CA [auth e], EA [auth g], GA [auth i], IA [auth k], AA [auth c], CA [auth e], EA [auth g], GA [auth i], IA [auth k], KA [auth m], MA [auth o], OA [auth q], QA [auth s], SA [auth u], UA [auth w], Y [auth a]	Heavy Chain	IGHV3	-	broadly neutralizing antibody c05, heavy chain	SAbDab (2025-10-31)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D, F, H, J B, D, F, H, J, L, N, P, R, T, V, X	PF00509	Haemagglutinin (Hemagglutinin)	Haemagglutinin	-	Family
A, C, E, G, I A, C, E, G, I, K, M, O, Q, S, U, W	PF00509	Haemagglutinin (Hemagglutinin)	Haemagglutinin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
BA [auth d], DA [auth f], FA [auth h], HA [auth j], JA [auth l], BA [auth d], DA [auth f], FA [auth h], HA [auth j], JA [auth l], LA [auth n], NA [auth p], PA [auth r], RA [auth t], TA [auth v], VA [auth x], Z [auth b]	Broadly neutralizing antibody C05, light chain	-	-	-
AA [auth c], CA [auth e], EA [auth g], GA [auth i], IA [auth k], AA [auth c], CA [auth e], EA [auth g], GA [auth i], IA [auth k], KA [auth m], MA [auth o], OA [auth q], QA [auth s], SA [auth u], UA [auth w], Y [auth a]	Broadly neutralizing antibody C05, heavy chain	-	-	-
B, D, F, H, J B, D, F, H, J, L, N, P, R, T, V, X	Hemagglutinin HA2 chain	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
A, C, E, G, I A, C, E, G, I, K, M, O, Q, S, U, W	Hemagglutinin HA1 chain	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
B, D, F, H, J B, D, F, H, J, L, N, P, R, T, V, X	IPR001364	Haemagglutinin, influenzavirus A/B	Family
B, D, F, H, J B, D, F, H, J, L, N, P, R, T, V, X	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
B, D, F, H, J B, D, F, H, J, L, N, P, R, T, V, X	IPR000149	Haemagglutinin, influenzavirus A	Family
B, D, F, H, J B, D, F, H, J, L, N, P, R, T, V, X	IPR013828	Haemagglutinin, HA1 chain, alpha/beta domain superfamily	Homologous Superfamily
A, C, E, G, I A, C, E, G, I, K, M, O, Q, S, U, W	IPR001364	Haemagglutinin, influenzavirus A/B	Family
A, C, E, G, I A, C, E, G, I, K, M, O, Q, S, U, W	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, C, E, G, I A, C, E, G, I, K, M, O, Q, S, U, W	IPR000149	Haemagglutinin, influenzavirus A	Family
A, C, E, G, I A, C, E, G, I, K, M, O, Q, S, U, W	IPR013828	Haemagglutinin, HA1 chain, alpha/beta domain superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
AA [auth c], CA [auth e], EA [auth g], GA [auth i], IA [auth k], AA [auth c], CA [auth e], EA [auth g], GA [auth i], IA [auth k], KA [auth m], MA [auth o], OA [auth q], QA [auth s], SA [auth u], UA [auth w], Y [auth a]	PCA	Parent Component: GLN RESID: AA0031 PSI-MOD : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420