6GTR

Structure of the AtaT Y144F mutant toxin bound to the C-terminus of the antitoxin AtaR and Acetyl-CoA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	N-acetyltransferase	polymer	178	19900.8	2	UniProt (A0A1V3CQ74) In PDB	Escherichia coli
2	C, D	DUF1778 domain-containing protein	polymer	46	5254.1	2	UniProt (J7QA90) Pfam (PF08681) In PDB	Escherichia coli	Toxin-antitoxin system,antitoxin component,ribbon-helix-helix fold protein,Ybl13
3	A	ACETYL COENZYME *A	non-polymer		809.6	1	Chemie (ACO)
4	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	B	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
6		water	water		18.0	33	Chemie (HOH)

Sequence modifications

A, B: 1 - 174 (UniProt: A0A1V3CQ74)

PDB	External Database	Details
Met -3	-	initiating methionine
Gly -2	-	expression tag
Ala -1	-	expression tag
Ser 0	-	expression tag
Phe 143	Tyr 144	engineered mutation

C, D: 43 - 87 (UniProt: J7QA90)

PDB	External Database	Details
Met 42	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	50309.8
Non-Polymers*	Number of molecules	3
	Total formula weight	926.0
All*	Total formula weight	51235.8

*Water molecules are not included.