5TV4

3D cryo-EM reconstruction of nucleotide-free MsbA in lipid nanodisc

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Lipid A export ATP-binding/permease protein MsbA	polymer	605	67310.4	2	UniProt (P60753) Pfam (PF00664) Pfam (PF00005) UniProt (by SIFTS) (P60752)	Escherichia coli O157:H7
2	C (C)	L-glycero-alpha-D-manno-heptopyranose-(1-7)-L-glycero-alpha-D-manno-heptopyranose-(1-3)-L-glycero-alpha-D-manno-heptopyranose-(1-5)-[3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-4)]3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-6)-2-amino-2-deoxy-alpha-D-glucopyranose-(1-6)-2-amino-2-deoxy-alpha-D-glucopyranose	branched		1357.2	1	In PDB GlyTouCan (G75876QI)
3	D, E, F, G (A, B)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
4	H, J, L, M (B)	3-HYDROXY-TETRADECANOIC ACID	non-polymer		244.4	4	Chemie (FTT)
5	I (B)	MYRISTIC ACID	non-polymer		228.4	1	Chemie (MYR)
6	K (B)	LAURIC ACID	non-polymer		200.3	1	Chemie (DAO)

Sequence modifications

A, B: 1 - 582 (UniProt: P60753)

PDB	External Database	Details
Met -22	-	initiating methionine
Gly -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
His -7	-	expression tag
Ile -6	-	expression tag
Asp -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Lys -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	134620.9
Branched	Number of molecules	1
	Total formula weight	1357.2
Non-Polymers*	Number of molecules	10
	Total formula weight	1786.1
All*	Total formula weight	137764.1

*Water molecules are not included.