4P78

HicA3 and HicB3 toxin-antitoxin complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	HicB3 antitoxin	polymer	143	16334.5	2	UniProt (Q0WBS6) Pfam (PF15919) UniProt (by SIFTS) (A0A5P8YCM0)	Yersinia pestis
2	C, D (C, D)	HicA3 Toxin	polymer	66	7314.7	2	UniProt (Q74XS2)	Yersinia pestis
3	E (B)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4	F, G, H, I (A, B, C, D)	water	water		18.0	115	Chemie (HOH)

Sequence modifications

A, B: 1 - 135 (UniProt: Q0WBS6)

PDB	External Database	Details
Leu 136	-	expression tag
Glu 137	-	expression tag
His 138	-	expression tag
His 139	-	expression tag
His 140	-	expression tag
His 141	-	expression tag
His 142	-	expression tag
His 143	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	47298.3
Non-Polymers*	Number of molecules	1
	Total formula weight	92.1
All*	Total formula weight	47390.4

*Water molecules are not included.