9GL3

Cryo-EM structure of IrtAB 2xEQ, A256R_IrtB mutant in LMNG

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (B)	Mycobactin import ATP-binding/permease protein IrtB	polymer	586	61644.7	1	UniProt (G7CBF6) Pfam (PF00005)	Mycolicibacterium thermoresistibile ATCC 19527
2	B (A)	Mycobactin import ATP-binding/permease protein IrtA	polymer	595	64374.3	1	UniProt (G7CBF5) Pfam (PF00664) Pfam (PF00005)	Mycolicibacterium thermoresistibile ATCC 19527
3	C, D (B, A)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)

Sequence modifications

B: 1 - 579 (UniProt: G7CBF6)

PDB	External Database	Details
Arg 256	Ala 256	engineered mutation
Gln 493	Glu 493	engineered mutation
Ala 580	-	expression tag
Leu 581	-	expression tag
Glu 582	-	expression tag
Val 583	-	expression tag
Leu 584	-	expression tag
Phe 585	-	expression tag
Gln 586	-	expression tag

A: 315 - 908 (UniProt: G7CBF5)

PDB	External Database	Details
Ser 314	-	expression tag
Gln 815	Glu 815	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	126019.0
Non-Polymers*	Number of molecules	2
	Total formula weight	1014.4
All*	Total formula weight	127033.4

*Water molecules are not included.