2KC8

Structure of E. coli toxin RelE (R81A/R83A) mutant in complex with antitoxin RelBc (K47-L79) peptide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Toxin relE	polymer	98	11356.3	1	UniProt (P0C077) Pfam (PF05016)	Escherichia coli
2	B (B)	Antitoxin RelB	polymer	36	4135.7	1	UniProt (P0C079) Pfam (PF04221)	Escherichia coli

Sequence modifications

A: 1 - 95 (UniProt: P0C077)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Ala 81	Arg 81	engineered mutation
Ala 83	Arg 83	engineered mutation

B: 47 - 79 (UniProt: P0C079)

PDB	External Database	Details
Gly 44	-	expression tag
Ser 45	-	expression tag
His 46	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	15492.0
All*	Total formula weight	15492.0

*Water molecules are not included.