4RKR

Crystal structure of LacI family transcriptional regulator from Arthrobacter sp. FB24, target EFI-560007, complex with lactose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Transcriptional regulator, LacI family	polymer	294	30978.9	4	UniProt (A0K1X3) Pfam (PF13377) In PDB	Arthrobacter sp.
2	E, F, G, H	beta-D-galactopyranose-(1-4)-alpha-D-glucopyranose	branched		342.3	4	In PDB BIRD (PRD_900008) GlyTouCan (G88362QR)		alpha-lactose
3		water	water		18.0	446	Chemie (HOH)

Sequence modifications

A, B, C, D: 59 - 341 (UniProt: A0K1X3)

PDB	External Database	Details
Met 56	-	expression tag
Ser 57	-	expression tag
Leu 58	-	expression tag
Glu 342	-	expression tag
Gly 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag
His 348	-	expression tag
His 349	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	123915.8
Branched	Number of molecules	4
	Total formula weight	1369.2
All*	Total formula weight	125285.0

*Water molecules are not included.