1WM9

Structure of GTP cyclohydrolase I from Thermus thermophilus HB8

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 (A, B, C, D, E)	GTP cyclohydrolase I	polymer	220	24571.3	5	UniProt (Q5SH52) Pfam (PF01227)	Thermus thermophilus
2	F, G, H, I, J (A, B, C, D, E)	ZINC ION	non-polymer		65.4	5	Chemie (ZN)
3	K, L, M, N, O (A, B, C, D, E)	water	water		18.0	346	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	122856.7
Non-Polymers*	Number of molecules	5
	Total formula weight	327.0
All*	Total formula weight	123183.7

*Water molecules are not included.