6EPG

Structure of the epsilon_1 / zeta_1 antitoxin / toxin system from Neisseria gonorrhoeae.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Epsilon_1 antitoxin	polymer	61	7378.0	4	UniProt (D5K9E3) In PDB	Neisseria gonorrhoeae
2	B, D, F, H	Zeta_1 toxin	polymer	401	45099.4	4	UniProt (D5K9G7) Pfam (PF18790) In PDB	Neisseria gonorrhoeae
3	H, B, D, F	SULFATE ION	non-polymer		96.1	22	Chemie (SO4)
4		water	water		18.0	110	Chemie (HOH)

Sequence modifications

A, C, E, G: 2 - 61 (UniProt: D5K9E3)

PDB	External Database	Details
Mse 1	-	initiating methionine

B, D, F, H: 2 - 401 (UniProt: D5K9G7)

PDB	External Database	Details
Mse 1	-	initiating methionine
Ala 115	Lys 115	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	209909.6
Non-Polymers*	Number of molecules	22
	Total formula weight	2113.4
All*	Total formula weight	212023.0

*Water molecules are not included.