7AK7

Structure of Salmonella TacT2 toxin bound to TacA2 antitoxin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Acetyltransferase	polymer	166	17923.8	2	UniProt (A0A0D6HSU7) Pfam (PF13508) UniProt (by SIFTS) (Q8ZKC6) In PDB	Salmonella typhimurium	GNAT family N-acetyltransferase,GNAT family acetyltransferase,Putative acetyltransferase
2	C, D, E, F	CopG family transcriptional regulator	polymer	99	11137.7	4	UniProt (A0A0D6HUM3) Pfam (PF08681) UniProt (by SIFTS) (Q8ZKC7) In PDB	Salmonella typhimurium	DUF1778 domain-containing protein,TacA2 antitoxin
3	A, B	ACETYL COENZYME *A	non-polymer		809.6	2	Chemie (ACO)
4	C	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5		water	water		18.0	321	Chemie (HOH)

Sequence modifications

A, B: 1 - 163 (UniProt: A0A0D6HSU7)

PDB	External Database	Details
Met -2	-	initiating methionine
Gly -1	-	expression tag
Ser 0	-	expression tag
Lys 29	Glu 29	engineered mutation
Phe 137	Tyr 137	engineered mutation

C, D, E, F: 1 - 97 (UniProt: A0A0D6HUM3)

PDB	External Database	Details
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	80398.5
Non-Polymers*	Number of molecules	3
	Total formula weight	1654.6
All*	Total formula weight	82053.1

*Water molecules are not included.