6AF4

Toxin-Antitoxin module from Streptococcus pneumoniae

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 (A, C, E, G)	HigB toxin	polymer	141	16747.2	4	UniProt (A0A0H2UQ08) Pfam (PF05973)	Streptococcus pneumoniae TIGR4
2	B, D, F, H (B, D, F, H)	HigA antitoxin	polymer	97	10765.4	4	UniProt (A0A0H2UQ20) Pfam (PF01381)	Streptococcus pneumoniae TIGR4
3	I, J, K, L, M... (A, B, C, D, E...)	water	water		18.0	44	Chemie (HOH)

Sequence modifications

A, C, E, G: 1 - 121 (UniProt: A0A0H2UQ08)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	110050.3
All*	Total formula weight	110050.3

*Water molecules are not included.