9J8E

Structural insights into BirA from Haemophilus influenzae, a bifunctional protein as a biotin protein ligase and a transcriptional repressor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Bifunctional ligase/repressor BirA	polymer	302	34372.4	2	UniProt (P46363) Pfam (PF03099) Pfam (PF02237) In PDB	Haemophilus influenzae Rd KW20
2	A, B	BIOTINYL-5-AMP	non-polymer		573.5	2	Chemie (BT5)
3		water	water		18.0	60	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68744.7
Non-Polymers*	Number of molecules	2
	Total formula weight	1147.0
All*	Total formula weight	69891.8

*Water molecules are not included.