Annotations: 6F0U

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Hemagglutinin	e6f0uB1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: Hemagglutinin	ECOD (v294.2)
C	Hemagglutinin	e6f0uC1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: Hemagglutinin	ECOD (v294.2)
D	Hemagglutinin	e6f0uD1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: Hemagglutinin	ECOD (v294.2)
E	Hemagglutinin	e6f0uE1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: Hemagglutinin	ECOD (v294.2)
A	Hemagglutinin	e6f0uA1	A: beta barrels	X: HAD domain-like	H: Hemagglutinin HA2 chain	T: Hemagglutinin HA2 chain	F: Hemagglutinin	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
B	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
C	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
C	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
D	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
E	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
E	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
A	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Proton-gated ion channel	ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity potassium channel activity monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity potassium channel activity monoatomic cation channel activity metal ion transmembrane transporter activity sodium channel activity sodium ion transmembrane transporter activity identical protein binding protein binding binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	-	cell periphery cellular anatomical structure plasma membrane membrane

Chains	Accession	Name	Type
A, B, C, D, E	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A, B, C, D, E	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A, B, C, D, E	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
A, B, C, D, E	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR006201	Neurotransmitter-gated ion-channel	Family