2NOX

Crystal structure of tryptophan 2,3-dioxygenase from Ralstonia metallidurans

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...	Tryptophan 2,3-dioxygenase	polymer	281	32542.8	16	UniProt (Q1LK00) Pfam (PF03301) In PDB	Cupriavidus metallidurans
2	K, L, M, N, O...	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	16	Chemie (HEM)
3		water	water		18.0	1543	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	520684.5
Non-Polymers*	Number of molecules	16
	Total formula weight	9863.8
All*	Total formula weight	530548.3

*Water molecules are not included.