7D5I

Structure of Mycobacterium smegmatis bd complex in the apo-form.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cytochrome D ubiquinol oxidase subunit 1	polymer	487	53998.0	1	UniProt (A0QXA8) Pfam (PF01654) In PDB	Mycolicibacterium smegmatis MC2 155
2	B	Integral membrane cytochrome D ubiquinol oxidase (Subunit II) CydB	polymer	360	39352.7	1	UniProt (I7GAS8) Pfam (PF02322) UniProt (by SIFTS) (A0QXA7) In PDB	Mycolicibacterium smegmatis MC2 155
3	A	HEME B/C	non-polymer		618.5	2	Chemie (HEB)
4	A	CIS-HEME D HYDROXYCHLORIN GAMMA-SPIROLACTONE	non-polymer		632.5	1	Chemie (HDD)

Sequence modifications

B: 1 - 350 (UniProt: I7GAS8)

PDB	External Database	Details
His 351	-	expression tag
His 352	-	expression tag
His 353	-	expression tag
His 354	-	expression tag
His 355	-	expression tag
His 356	-	expression tag
His 357	-	expression tag
His 358	-	expression tag
His 359	-	expression tag
His 360	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	93350.6
Non-Polymers*	Number of molecules	3
	Total formula weight	1869.5
All*	Total formula weight	95220.1

*Water molecules are not included.