3QN9

Crystal structure of a 6-pyruvoyltetrahydropterin synthase homologue from Esherichia 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 (A, B)	6-pyruvoyl tetrahydrobiopterin synthase	polymer	141	15964.2	2	UniProt (C6EJA7) Pfam (PF01242) UniProt (by SIFTS) (P65870)	Escherichia coli	6-pyruvoyltetrahydropterin synthase, PTPS
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	E, F (A, B)	water	water		18.0	6	Chemie (HOH)

Sequence modifications

A, B: 1 - 121 (UniProt: C6EJA7)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31928.5
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	32059.3

*Water molecules are not included.