4Q0U

Crystal structure of Acinetobacter sp. DL28 L-ribose isomerase mutant E204Q in complex with L-ribose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	L-Ribose isomerase	polymer	260	28750.3	1	UniProt (Q93UQ5) In PDB	Acinetobacter
2	A	COBALT (II) ION	non-polymer		58.9	1	Chemie (CO)
3	A	L-ribose	non-polymer		150.1	1	Chemie (ROR)
4	A	alpha-L-ribofuranose	non-polymer		150.1	3	Chemie (Z6J)
5	A	beta-L-ribopyranose	non-polymer		150.1	1	Chemie (0MK)
6	A	COBALT HEXAMMINE(III)	non-polymer		161.1	1	Chemie (NCO)
7		water	water		18.0	128	Chemie (HOH)

Sequence modifications

A: 3 - 249 (UniProt: Q93UQ5)

PDB	External Database	Details
Met -10	-	expression tag
Arg -9	-	expression tag
Gly -8	-	expression tag
Ser -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag
Ala 2	-	expression tag
Gln 204	Glu 204	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28750.3
Non-Polymers*	Number of molecules	7
	Total formula weight	970.7
All*	Total formula weight	29721.0

*Water molecules are not included.