4XWJ

Histidine-containing phosphocarrier protein (HPr) and antisigma factor Rsd complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Regulator of sigma D	polymer	167	19588.1	1	UniProt (P0AFX4) Pfam (PF04353)	Escherichia coli (strain K12)
2	B (B)	Phosphocarrier protein HPr	polymer	85	9069.2	1	UniProt (P0AA04) Pfam (PF00381)	Escherichia coli (strain K12)	Histidine-containing protein
3	C, D (A, B)	water	water		18.0	28	Chemie (HOH)

Sequence modifications

A: 1 - 151 (UniProt: P0AFX4)

PDB	External Database	Details
Met -15	-	initiating methionine
Ser -14	-	expression tag
Tyr -13	-	expression tag
Tyr -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
Asp -5	-	expression tag
Tyr -4	-	expression tag
Asp -3	-	expression tag
Ile -2	-	expression tag
Thr -1	-	expression tag
Ser 0	-	expression tag
Ser 133	Ala 133	engineered mutation

B: 1 - 85 (UniProt: P0AA04)

PDB	External Database	Details
Ser 2	Phe 2	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28657.3
All*	Total formula weight	28657.3

*Water molecules are not included.