2N70

Two-fold symmetric structure of the 18-60 construct of S31N M2 from Influenza A in lipid bilayers

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Matrix protein 2	polymer	43	5035.9	4	UniProt (P63231) Pfam (PF00599) UniProt (by SIFTS) (P0DOF5)	Influenza A virus	Proton channel protein M2

Sequence modifications

A, B, C, D: 118 - 160 (UniProt: P63231)

PDB	External Database	Details
Ser 119	Cys 19	engineered mutation
Asn 131	Ser 31	engineered mutation
Ser 150	Cys 50	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	20143.6
All*	Total formula weight	20143.6

*Water molecules are not included.