6U7L

2.75 Angstrom Crystal Structure of Galactarate Dehydratase from Escherichia coli.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Galactarate dehydratase (L-threo-forming)	polymer	526	57326.4	2	UniProt (P39829) Pfam (PF08666) Pfam (PF04295) Pfam (PF20629) In PDB	Escherichia coli (strain K12)	GalcD
2	C, D	Galactarate dehydratase (L-threo-forming)	polymer	526	57246.4	2	UniProt (P39829) Pfam (PF08666) Pfam (PF04295) Pfam (PF20629) In PDB	Escherichia coli (strain K12)	GalcD
3	A, B, C, D	CALCIUM ION	non-polymer		40.1	9	Chemie (CA)
4	A, D	CHLORIDE ION	non-polymer		35.5	7	Chemie (CL)
5		water	water		18.0	150	Chemie (HOH)

Sequence modifications

A, B: 1 - 523 (UniProt: P39829)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

C, D: 1 - 523 (UniProt: P39829)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	229145.7
Non-Polymers*	Number of molecules	16
	Total formula weight	608.9
All*	Total formula weight	229754.6

*Water molecules are not included.