3CTP

Crystal structure of periplasmic binding protein/LacI transcriptional regulator from Alkaliphilus metalliredigens QYMF complexed with D-xylulofuranose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Periplasmic binding protein/LacI transcriptional regulator	polymer	330	37377.5	2	UniProt (A6TKU5) Pfam (PF00356) Pfam (PF13377) In PDB	Alkaliphilus metalliredigens
2	A, B	beta-D-xylulofuranose	non-polymer		150.1	2	Chemie (XLF)
3	A, B	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4		water	water		18.0	489	Chemie (HOH)

Sequence modifications

A, B: 3 - 328 (UniProt: A6TKU5)

PDB	External Database	Details
Ser 1	-	expression tag
Leu 2	-	expression tag
Glu 329	-	expression tag
Gly 330	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	74755.1
Non-Polymers*	Number of molecules	4
	Total formula weight	346.2
All*	Total formula weight	75101.3

*Water molecules are not included.