7AB3

Crystal structure of the Escherichia coli toxin-antitoxin system HipBST (HipT S57A)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	Predicted transcriptional regulator, XRE family	polymer	107	11851.8	2	UniProt (B7UL98) Pfam (PF01381) In PDB	Escherichia coli O127:H6 (strain E2348/69 / EPEC)
2	B, E	Couple_hipA domain-containing protein	polymer	103	11844.4	2	UniProt (B7UL97) Pfam (PF13657) In PDB	Escherichia coli O127:H6 (strain E2348/69 / EPEC)
3	C, F	HipA_C domain-containing protein	polymer	341	39264.3	2	UniProt (B7UL96) Pfam (PF07804) In PDB	Escherichia coli O127:H6 (strain E2348/69 / EPEC)
4		water	water		18.0	474	Chemie (HOH)

Sequence modifications

C, F: 1 - 335 (UniProt: B7UL96)

PDB	External Database	Details
Ala 57	Ser 57	engineered mutation
His 336	-	expression tag
His 337	-	expression tag
His 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	125920.8
All*	Total formula weight	125920.8

*Water molecules are not included.