2EG6

The crystal structure of the ligand-free dihydroorotase from E. 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	Dihydroorotase	polymer	347	38771.1	2	UniProt (P05020) Pfam (PF01979) In PDB	Escherichia coli	DHOase
2	A, B	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3		water	water		18.0	597	Chemie (HOH)

Sequence modifications

A, B: 1 - 347 (UniProt: P05020)

PDB	External Database	Details
Kcx 102	Lys 103	modified residue
Val 119	Ile 120	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77542.2
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	77803.8

*Water molecules are not included.