6KML

2.09 Angstrom resolution crystal structure of tetrameric HigBA toxin-antitoxin complex from E.coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	mRNA interferase toxin HigB	polymer	118	13676.8	2	UniProt (P64578) Pfam (PF09907) In PDB	Escherichia coli K-12	Endoribonuclease HigB,Toxin HigB
2	B, D	Antitoxin HigA	polymer	138	15008.4	2	UniProt (P67701) Pfam (PF01381) In PDB	Escherichia coli K-12
3		water	water		18.0	197	Chemie (HOH)

Sequence modifications

A, C: 1 - 104 (UniProt: P64578)

PDB	External Database	Details
Met -13	-	expression tag
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	57370.2
All*	Total formula weight	57370.2

*Water molecules are not included.