5X29

NMR structure of the SARS Coronavirus E protein pentameric ion channel

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, E	Envelope small membrane protein	polymer	81	9003.5	5	UniProt (P59637) Pfam (PF02723) In PDB	Human SARS coronavirus (SARS-CoV)	sM protein

Sequence modifications

A, B, C, D, E: 8 - 65 (UniProt: P59637)

PDB	External Database	Details
Met -15	-	initiating methionine
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
Ser -8	-	expression tag
Ser -7	-	expression tag
Gly -6	-	expression tag
Val -5	-	expression tag
Asp -4	-	expression tag
Leu -3	-	expression tag
Gly -2	-	expression tag
Thr -1	-	expression tag
Glu 0	-	expression tag
Asn 1	-	expression tag
Leu 2	-	expression tag
Tyr 3	-	expression tag
Phe 4	-	expression tag
Gln 5	-	expression tag
Ser 6	-	expression tag
Met 7	-	expression tag
Ala 40	Cys 40	engineered mutation
Ala 43	Cys 43	engineered mutation
Ala 44	Cys 44	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	45017.7
All*	Total formula weight	45017.7

*Water molecules are not included.