3WSG

Reduced HcgD from Methanocaldococcus jannaschii with citrate

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, E...	Putative GTP cyclohydrolase 1 type 2	polymer	252	28254.6	6		Methanocaldococcus jannaschii	HcgD, GTP cyclohydrolase I
2	A, B, C, D, E...	FE (II) ION	non-polymer		55.8	6	Chemie (FE2)
3	A, B, C, D, E...	CITRIC ACID	non-polymer		192.1	6	Chemie (CIT)
4		water	water		18.0	880	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	169527.3
Non-Polymers*	Number of molecules	12
	Total formula weight	1487.8
All*	Total formula weight	171015.1

*Water molecules are not included.