4W4H

Escherichia coli tryptophanase in holo form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Tryptophanase	polymer	467	52540.8	2	UniProt (P0A853) Pfam (PF01212)	Escherichia coli	L-tryptophan indole-lyase,TNase
2	C, D (A, B)	water	water		18.0	42	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	105081.6
All*	Total formula weight	105081.6

*Water molecules are not included.