5OYN

Crystal structure of D-xylonate dehydratase in holo-form

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	Dehydratase, IlvD/Edd family	polymer	600	65474.0	4	UniProt (Q9A9Z2) Pfam (PF00920) In PDB	Caulobacter crescentus (strain ATCC 19089 / CB15)
2	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	A, B, C, D	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	4	Chemie (FES)
4		water	water		18.0	324	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 591 (UniProt: Q9A9Z2)

PDB	External Database	Details
Met -8	-	initiating methionine
Asp -7	-	expression tag
Trp -6	-	expression tag
Ser -5	-	expression tag
His -4	-	expression tag
Pro -3	-	expression tag
Gln -2	-	expression tag
Phe -1	-	expression tag
Glu 0	-	expression tag
Lys 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	261896.1
Non-Polymers*	Number of molecules	8
	Total formula weight	800.5
All*	Total formula weight	262696.6

*Water molecules are not included.