4NTM

QueD soaked with sepiapterin (selenomethionine substituted protein)

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...)	6-carboxy-5,6,7,8-tetrahydropterin synthase	polymer	121	13980.5	6	UniProt (P65870) Pfam (PF01242)	Escherichia coli	CPH4 synthase, Queuosine biosynthesis protein QueD
2	G, I, K, M, O... (A, B, C, D, E...)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
3	H, J, L, N, P... (A, B, C, D, E...)	(6R)-2-amino-4-oxo-3,4,5,6,7,8-hexahydropteridine-6-carboxylic acid	non-polymer		211.2	6	Chemie (2K8)
4	S, T, U, V, W... (A, B, C, D, E...)	water	water		18.0	113	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	83882.8
Non-Polymers*	Number of molecules	12
	Total formula weight	1659.5
All*	Total formula weight	85542.3

*Water molecules are not included.