1NGK

Crystallographic Structure of Mycobacterium tuberculosis Hemoglobin O

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...)	Hemoglobin-like protein HbO	polymer	128	14971.9	12	UniProt (P0A595) Pfam (PF01152) UniProt (by SIFTS) (P9WN23)	Mycobacterium tuberculosis
2	BA, EA, FA, KA, LA... (D, E, G, A, I...)	SULFATE ION	non-polymer		96.1	18	Chemie (SO4)
3	AB, CA, GA, IA, MA... (L, D, E, F, G...)	CYANIDE ION	non-polymer		26.0	12	Chemie (CYN)
4	AA, BB, DA, HA, JA... (C, L, D, E, F...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	12	Chemie (HEM)
5	CB, DB, EB, FB, GB... (A, B, C, D, E...)	water	water		18.0	1618	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	179662.3
Non-Polymers*	Number of molecules	42
	Total formula weight	9439.2
All*	Total formula weight	189101.5

*Water molecules are not included.