4KAT

Crystal structure of FDTS from T. maritima mutant (R174K) with FAD and dUMP

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 (A, B, C, D)	Thymidylate synthase	polymer	232	27475.7	4	UniProt (Q9WYT0) Pfam (PF02511)	Thermotoga maritima MSB8	TS, TSase
2	E, G, J, L (A, B, C, D)	2'-DEOXYURIDINE-5'-MONOPHOSPHATE	non-polymer		308.2	4	Chemie (DU)
3	F, H, I, K (A, B, C, D)	DIHYDROFLAVINE-ADENINE DINUCLEOTIDE	non-polymer		787.6	4	Chemie (FDA)
4	M, N, O, P (A, B, C, D)	water	water		18.0	103	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 220 (UniProt: Q9WYT0)

PDB	External Database	Details
Met -11	-	initiating methionine
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Lys 174	Arg 174	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	109902.7
Non-Polymers*	Number of molecules	8
	Total formula weight	4383.0
All*	Total formula weight	114285.7

*Water molecules are not included.