4JT2

Structure of Clostridium thermocellum polynucleotide kinase bound to CTP

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)	Metallophosphoesterase	polymer	171	19661.1	2	UniProt (A3DJ38) Pfam (PF13671)	Clostridium thermocellum
2	C, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, E (A, B)	CYTIDINE-5'-TRIPHOSPHATE	non-polymer		483.2	2	Chemie (CTP)
4	G, H (A, B)	water	water		18.0	126	Chemie (HOH)

Sequence modifications

A, B: 1 - 170 (UniProt: A3DJ38)

PDB	External Database	Details
Ser 0	-	expression tag
Mse 44	Val 44	engineered mutation
Mse 137	Leu 137	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39322.1
Non-Polymers*	Number of molecules	4
	Total formula weight	1014.9
All*	Total formula weight	40337.0

*Water molecules are not included.