4N5Y

Crystal structure of H5 hemagglutinin mutant (N158D, N224K and Q226L) from the influenza virus A/Viet Nam/1203/2004 (H5N1)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D [auth G]	d4n5yg1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
D [auth G]	d4n5yg2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
F [auth K]	d4n5yk1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
F [auth K]	d4n5yk2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
H [auth O]	d4n5yo1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
H [auth O]	d4n5yo2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
I [auth Q]	d4n5yq1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
I [auth Q]	d4n5yq2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
A	d4n5ya1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
A	d4n5ya2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
B [auth C]	d4n5yc1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
B [auth C]	d4n5yc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
C [auth E]	d4n5ye1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
C [auth E]	d4n5ye2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
E [auth I]	d4n5yi1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
E [auth I]	d4n5yi2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
G [auth M]	d4n5ym1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
G [auth M]	d4n5ym2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
J [auth S]	d4n5ys1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
J [auth S]	d4n5ys2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
K [auth U]	d4n5yu1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
K [auth U]	d4n5yu2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
L [auth W]	d4n5yw1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
L [auth W]	d4n5yw2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
M [auth Y]	d4n5yy1	All beta proteins	Viral protein domain	Viral protein domain	Influenza hemagglutinin headpiece	Hemagglutinin	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
M [auth Y]	d4n5yy2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
BA [auth Z]	d4n5yz1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
BA [auth Z]	d4n5yz2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
P [auth B]	d4n5yb1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
P [auth B]	d4n5yb2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
R [auth F]	d4n5yf1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
R [auth F]	d4n5yf2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
AA [auth X]	d4n5yx1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
AA [auth X]	d4n5yx2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
Q [auth D]	d4n5yd1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
Q [auth D]	d4n5yd2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
S [auth H]	d4n5yh1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
S [auth H]	d4n5yh2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
T [auth J]	d4n5yj1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
T [auth J]	d4n5yj2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
U [auth L]	d4n5yl1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
U [auth L]	d4n5yl2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
V [auth N]	d4n5yn1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
V [auth N]	d4n5yn2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
W [auth P]	d4n5yp1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
W [auth P]	d4n5yp2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
X [auth R]	d4n5yr1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
X [auth R]	d4n5yr2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
Y [auth T]	d4n5yt1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
Y [auth T]	d4n5yt2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
Z [auth V]	d4n5yv1	Coiled coil proteins	Stalk segment of viral fusion proteins	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	Influenza hemagglutinin (stalk)	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)
Z [auth V]	d4n5yv2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Influenza A virus (A/Viet Nam/1203/2004(H5N1)) ) [TaxId: 284218 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
BA [auth Z]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
P [auth B]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
R [auth F]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
AA [auth X]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
CA [auth b]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
DA [auth d]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
Q [auth D]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
S [auth H]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
T [auth J]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
U [auth L]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
V [auth N]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
W [auth P]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
X [auth R]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
Y [auth T]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	SCOP2B (2022-06-29)
Z [auth V]	SCOP2B Superfamily	Influenza hemagglutinin (stalk)	8087922	3001616	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)
D [auth G]	PF00509	e4n5yG1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
F [auth K]	PF00509	e4n5yK1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
H [auth O]	PF00509	e4n5yO1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
I [auth Q]	PF00509	e4n5yQ1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
N [auth a]	PF00509	e4n5ya1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
A	PF00509	e4n5yA1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
B [auth C]	PF00509	e4n5yC1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
C [auth E]	PF00509	e4n5yE1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
E [auth I]	PF00509	e4n5yI1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
G [auth M]	PF00509	e4n5yM1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
J [auth S]	PF00509	e4n5yS1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
K [auth U]	PF00509	e4n5yU1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
L [auth W]	PF00509	e4n5yW1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
M [auth Y]	PF00509	e4n5yY1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)
O [auth c]	PF00509	e4n5yc1	A: beta sandwiches	X: jelly-roll	H: Viral protein domain (From Topology)	T: Viral protein domain	F: PF00509	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth G]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
D [auth G]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
F [auth K]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
F [auth K]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
H [auth O]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
H [auth O]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
I [auth Q]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
I [auth Q]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
N [auth a]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
N [auth a]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
A	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
A	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
B [auth C]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
B [auth C]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
C [auth E]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
C [auth E]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
E [auth I]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
E [auth I]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
G [auth M]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
G [auth M]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
J [auth S]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
J [auth S]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
K [auth U]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
K [auth U]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
L [auth W]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
L [auth W]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
M [auth Y]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
M [auth Y]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
O [auth c]	2.10.77.10	Mainly Beta	Ribbon	Hemagglutinin	Chain A, domain 2	CATH (4.3.0)
O [auth c]	3.90.209.20	Alpha Beta	Alpha-Beta Complex	Hemagglutinin (Ha1 Chain)	Chain: A	CATH (4.3.0)
BA [auth Z]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
P [auth B]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
R [auth F]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
AA [auth X]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
CA [auth b]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
DA [auth d]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
Q [auth D]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
S [auth H]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
T [auth J]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
U [auth L]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
V [auth N]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
W [auth P]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
X [auth R]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
Y [auth T]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)
Z [auth V]	3.90.20.10	Alpha Beta	Alpha-Beta Complex	Hemagglutinin Ectodomain	Chain B	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C], C [auth E], D [auth G], E [auth I], A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K], G [auth M], H [auth O], I [auth Q], J [auth S], K [auth U], L [auth W], M [auth Y], N [auth a], O [auth c]	PF00509	Haemagglutinin (Hemagglutinin)	Haemagglutinin	-	Family
AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], Q [auth D], R [auth F], S [auth H], T [auth J], U [auth L], V [auth N], W [auth P], X [auth R], Y [auth T], Z [auth V]	PF00509	Haemagglutinin (Hemagglutinin)	Haemagglutinin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C], C [auth E], D [auth G], E [auth I], A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K], G [auth M], H [auth O], I [auth Q], J [auth S], K [auth U], L [auth W], M [auth Y], N [auth a], O [auth c]	Hemagglutinin HA1 chain	identical protein binding protein binding binding host cell surface 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 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 transport of virus	cell periphery apical part of cell membrane plasma membrane plasma membrane region cellular anatomical entity apical plasma membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane
AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], Q [auth D], R [auth F], S [auth H], T [auth J], U [auth L], V [auth N], W [auth P], X [auth R], Y [auth T], Z [auth V]	Hemagglutinin HA2 chain	identical protein binding protein binding binding host cell surface 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 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 transport of virus	cell periphery apical part of cell membrane plasma membrane plasma membrane region cellular anatomical entity apical plasma membrane virion component viral membrane viral envelope host cell plasma membrane host cellular component host cell part host cell membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C], C [auth E], D [auth G], E [auth I], A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K], G [auth M], H [auth O], I [auth Q], J [auth S], K [auth U], L [auth W], M [auth Y], N [auth a], O [auth c]	IPR001364	Haemagglutinin, influenzavirus A/B	Family
A, B [auth C], C [auth E], D [auth G], E [auth I], A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K], G [auth M], H [auth O], I [auth Q], J [auth S], K [auth U], L [auth W], M [auth Y], N [auth a], O [auth c]	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
A, B [auth C], C [auth E], D [auth G], E [auth I], A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K], G [auth M], H [auth O], I [auth Q], J [auth S], K [auth U], L [auth W], M [auth Y], N [auth a], O [auth c]	IPR000149	Haemagglutinin, influenzavirus A	Family
A, B [auth C], C [auth E], D [auth G], E [auth I], A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K], G [auth M], H [auth O], I [auth Q], J [auth S], K [auth U], L [auth W], M [auth Y], N [auth a], O [auth c]	IPR013828	Haemagglutinin, HA1 chain, alpha/beta domain superfamily	Homologous Superfamily
AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], Q [auth D], R [auth F], S [auth H], T [auth J], U [auth L], V [auth N], W [auth P], X [auth R], Y [auth T], Z [auth V]	IPR001364	Haemagglutinin, influenzavirus A/B	Family
AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], Q [auth D], R [auth F], S [auth H], T [auth J], U [auth L], V [auth N], W [auth P], X [auth R], Y [auth T], Z [auth V]	IPR008980	Viral capsid/haemagglutinin protein	Homologous Superfamily
AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], Q [auth D], R [auth F], S [auth H], T [auth J], U [auth L], V [auth N], W [auth P], X [auth R], Y [auth T], Z [auth V]	IPR000149	Haemagglutinin, influenzavirus A	Family
AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], AA [auth X], BA [auth Z], CA [auth b], DA [auth d], P [auth B], Q [auth D], R [auth F], S [auth H], T [auth J], U [auth L], V [auth N], W [auth P], X [auth R], Y [auth T], Z [auth V]	IPR013828	Haemagglutinin, HA1 chain, alpha/beta domain superfamily	Homologous Superfamily