7WIW

Cryo-EM structure of Mycobacterium tuberculosis irtAB complexed with ATP in an occluded conformation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	Mycobactin import ATP-binding/permease protein IrtB	polymer	579	61008.1	1	UniProt (P9WQJ7) Pfam (PF00005) In PDB	Mycobacterium tuberculosis H37Rv	Iron-regulated transporter B
2	A	Mycobactin import ATP-binding/permease protein IrtA	polymer	859	93070.8	1	UniProt (P9WQJ9) Pfam (PF08021) Pfam (PF04954) Pfam (PF00664) Pfam (PF00005) In PDB	Mycobacterium tuberculosis H37Rv	Iron-regulated transporter A
3	B, A	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
4	B, A	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)

Sequence modifications

B: 1 - 579 (UniProt: P9WQJ7)

PDB	External Database	Details
Gln 495	Glu 495	conflict

A: 1 - 859 (UniProt: P9WQJ9)

PDB	External Database	Details
Gln 771	Glu 771	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	154078.8
Non-Polymers*	Number of molecules	5
	Total formula weight	1087.3
All*	Total formula weight	155166.1

*Water molecules are not included.