3Q8X

Structure of a toxin-antitoxin system bound to its substrate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Antidote of epsilon-zeta postsegregational killing system	polymer	90	10734.2	2	UniProt (Q6UZC8) Pfam (PF08998) UniProt (by SIFTS) (Q57231) In PDB	Streptococcus pyogenes
2	B, D	Zeta-toxin	polymer	287	32445.0	2	UniProt (Q54944) Pfam (PF06414) In PDB	Streptococcus pyogenes
3	B, D	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	D	URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE	non-polymer		607.4	1	Chemie (UD1)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	86358.4
Non-Polymers*	Number of molecules	3
	Total formula weight	799.5
All*	Total formula weight	87157.9

*Water molecules are not included.