5KR6

Directed Evolution of Transaminases By Ancestral Reconstruction. Using Old Proteins for New Chemistries

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)	4-aminobutyrate transaminase	polymer	479	52441.1	2		Pseudomonas
2	C, D (A, B)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	E, F (A, B)	water	water		18.0	218	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	104882.3
Non-Polymers*	Number of molecules	2
	Total formula weight	494.3
All*	Total formula weight	105376.6

*Water molecules are not included.