3KXE

A conserved mode of protein recognition and binding in a ParD-ParE 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)	Toxin protein parE-1	polymer	110	12928.7	2	UniProt (B8H242) Pfam (PF05016) UniProt (by SIFTS) (Q9A9T8)	Caulobacter crescentus NA1000
2	C, D (C, D)	Antitoxin protein parD-1	polymer	88	9645.5	2	UniProt (B8H243) Pfam (PF03693) UniProt (by SIFTS) (P58091)	Caulobacter crescentus NA1000
3	E, F, G, H (A, B, C, D)	water	water		18.0	46	Chemie (HOH)

Sequence modifications

A, B: 1 - 96 (UniProt: B8H242)

PDB	External Database	Details
Mse -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
Asp -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	45148.5
All*	Total formula weight	45148.5

*Water molecules are not included.