4WXE

CRYSTAL STRUCTURE OF A LACI REGULATOR FROM LACTOBACILLUS CASEI (LSEI_2103, TARGET EFI-512911) WITH BOUND TRIS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Transcriptional regulator, LacI family	polymer	303	33302.5	1	UniProt (Q036L9) Pfam (PF13377) In PDB	Lactobacillus casei
2	A	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
3	A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	A	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
5	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
6		water	water		18.0	412	Chemie (HOH)

Sequence modifications

A: 54 - 333 (UniProt: Q036L9)

PDB	External Database	Details
Mse 31	-	initiating methionine
His 32	-	expression tag
His 33	-	expression tag
His 34	-	expression tag
His 35	-	expression tag
His 36	-	expression tag
His 37	-	expression tag
Ser 38	-	expression tag
Ser 39	-	expression tag
Gly 40	-	expression tag
Val 41	-	expression tag
Asp 42	-	expression tag
Leu 43	-	expression tag
Gly 44	-	expression tag
Thr 45	-	expression tag
Glu 46	-	expression tag
Asn 47	-	expression tag
Leu 48	-	expression tag
Tyr 49	-	expression tag
Phe 50	-	expression tag
Gln 51	-	expression tag
Ser 52	-	expression tag
Mse 53	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33302.5
Non-Polymers*	Number of molecules	5
	Total formula weight	279.4
All*	Total formula weight	33582.0

*Water molecules are not included.