3QB9

Mycobacterium tuberculosis bacterioferritin, BfrA

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... (A, B, C, D, E...)	Bacterioferritin	polymer	174	20074.6	6	UniProt (P63697) Pfam (PF00210) UniProt (by SIFTS) (P9WPQ9)	Mycobacterium tuberculosis	BFR
2	G, H, I, J, N... (A, B, C, D, E...)	FE (III) ION	non-polymer		55.8	12	Chemie (FE)
3	K, M, R (B, C, E)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	3	Chemie (HEM)
4	L (B)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5	AA, BA, W, X, Y... (E, F, A, B, C...)	water	water		18.0	509	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 159 (UniProt: P63697)

PDB	External Database	Details
Met -1	-	expression tag
Gly 0	-	expression tag
Lys 160	-	expression tag
Leu 161	-	expression tag
Ala 162	-	expression tag
Ala 163	-	expression tag
Ala 164	-	expression tag
Leu 165	-	expression tag
Glu 166	-	expression tag
His 167	-	expression tag
His 168	-	expression tag
His 169	-	expression tag
His 170	-	expression tag
His 171	-	expression tag
His 172	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	120447.7
Non-Polymers*	Number of molecules	16
	Total formula weight	2542.6
All*	Total formula weight	122990.3

*Water molecules are not included.