5XSS

XylFII molecule

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	X, A, B, C	Periplasmic binding protein/LacI transcriptional regulator	polymer	316	34808.5	4	UniProt (A6LW07) Pfam (PF13407) In PDB	Clostridium beijerinckii (strain ATCC 51743 / NCIMB 8052)
2	X, A, B, C	beta-D-xylopyranose	non-polymer		150.1	4	Chemie (XYP)
3		water	water		18.0	816	Chemie (HOH)

Sequence modifications

X, A, B, C: 1 - 302 (UniProt: A6LW07)

PDB	External Database	Details
Met -13	-	expression tag
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	139234.0
Non-Polymers*	Number of molecules	4
	Total formula weight	600.5
All*	Total formula weight	139834.6

*Water molecules are not included.