7AB5

Crystal structure of the Escherichia coli toxin-antitoxin system HipBST (HipT D233Q)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	Predicted transcriptional regulator, XRE family	polymer	106	11720.6	2	UniProt (B7UL98) Pfam (PF01381)	Escherichia coli O127:H6 (strain E2348/69 / EPEC)
2	B, E (B, E)	Couple_hipA domain-containing protein	polymer	102	11713.2	2	UniProt (B7UL97) Pfam (PF13657)	Escherichia coli O127:H6 (strain E2348/69 / EPEC)
3	C, F (C, F)	HipA_C domain-containing protein	polymer	340	39082.1	2	UniProt (B7UL96) Pfam (PF07804)	Escherichia coli O127:H6 (strain E2348/69 / EPEC)
4	G, H, I (A, D, F)	water	water		18.0	5	Chemie (HOH)

Sequence modifications

C, F: 2 - 335 (UniProt: B7UL96)

PDB	External Database	Details
Gln 233	Asp 233	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	125031.8
All*	Total formula weight	125031.8

*Water molecules are not included.