6C6G

An unexpected vestigial protein complex reveals the evolutionary origins of an s-triazine catabolic enzyme. Inhibitor bound complex.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Biuret hydrolase	polymer	457	48247.9	2	UniProt (Q936X3) Pfam (PF01425) In PDB	Pseudomonas sp. ADP
2	C, D	AtzG	polymer	68	7428.4	2	Pfam (PF13318) UniProt (by SIFTS) (A0A384E126) In PDB	Pseudomonas sp. ADP
3	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	639	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	111352.6
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	111432.8

*Water molecules are not included.