5DBK

apo form of the quorum sensor NprR from B. thuringiensis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Transcriptional regulator/TPR domain protein	polymer	372	44363.0	2	UniProt (M1Q3P9) Pfam (PF13424) In PDB	Bacillus thuringiensis Bt407

Sequence modifications

A, B: 61 - 423 (UniProt: M1Q3P9)

PDB	External Database	Details
Met 60	-	initiating methionine
Ala 223	Tyr 223	engineered mutation
Ala 225	Phe 225	engineered mutation
Arg 424	-	expression tag
Ser 425	-	expression tag
His 426	-	expression tag
His 427	-	expression tag
His 428	-	expression tag
His 429	-	expression tag
His 430	-	expression tag
His 431	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	88726.1
All*	Total formula weight	88726.1

*Water molecules are not included.