6MJH

The S31N mutant of the influenza A M2 proton channel in two distinct conformational states

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	UNK_F_TYPE	e6mjhC1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
D	UNK_F_TYPE	e6mjhD1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
F	UNK_F_TYPE	e6mjhF1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
H	UNK_F_TYPE	e6mjhH1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
A	UNK_F_TYPE	e6mjhA1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
B	UNK_F_TYPE	e6mjhB1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
E	UNK_F_TYPE	e6mjhE1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)
G	UNK_F_TYPE	e6mjhG1	A: few secondary structure elements	X: Influenza A M2 transmembrane domain (From Topology)	H: Influenza A M2 transmembrane domain (From Topology)	T: Influenza A M2 transmembrane domain	F: UNK_F_TYPE	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF00599	Influenza Matrix protein (M2) (Flu_M2)	Influenza Matrix protein (M2)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Matrix protein 2	passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis	membrane cellular anatomical entity host cell plasma membrane host cellular component host cell part host cell membrane virion component virion membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR002089	Influenza virus matrix protein 2	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G, H	OPM	Transmembrane	Bitopic proteins	Viral channel proteins	Influenza virus matrix protein 2

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	M2 proton channel (AM2), S31N mutant

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D, E A, B, C, D, E, F, G, H	ACE	RESID: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 PSI-MOD : N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359
A, B, C, D, E A, B, C, D, E, F, G, H	NH2	RESID: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 , AA0081 , AA0083 , AA0084 , AA0086 , AA0087 , AA0088 , AA0090 , AA0091 , AA0092 , AA0093 , AA0095 , AA0096 , AA0097 , AA0098 , AA0099 , AA0100 PSI-MOD : N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359 , L-alanine amide MOD:00090 , L-asparagine amide MOD:00092 , L-aspartic acid 1-amide MOD:00093 , L-glutamine amide MOD:00095 , L-glutamic acid 1-amide MOD:00096 , glycine amide MOD:00097 , L-isoleucine amide MOD:00099 , L-leucine amide MOD:00100 , L-lysine amide MOD:00101 , L-methionine amide MOD:00102 , L-proline amide MOD:00104 , L-serine amide MOD:00105 , L-threonine amide MOD:00106 , L-tryptophan amide MOD:00107 , L-tyrosine amide MOD:00108 , L-valine amide MOD:00109

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.