4IRC

Polymerase-DNA complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	G, B	DNA (5'-D(*TP*CP*TP*GP*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*C)-3')	polymer	18	5508.6	2
2	H	DNA (5'-D(*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*C)-3')	polymer	14	4281.8	1
3	C	DNA (5'-D(*CP*TP*AP*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*C)-3')	polymer	17	5188.4	1
4	F, A	DNA polymerase IV	polymer	342	38304.3	2	UniProt (Q47155) Pfam (PF00817) Pfam (PF21999) Pfam (PF11799) In PDB	Escherichia coli	Pol IV
5	F, A	2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]cytidine	non-polymer		466.2	2	Chemie (0KX)
6	F, A	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
7		water	water		18.0	93	Chemie (HOH)

Sequence modifications

F, A: 2 - 341 (UniProt: Q47155)

PDB	External Database	Details
Gly 0	-	expression tag
Ser 1	-	expression tag
Ala 64	Lys 64	conflict
Ala 205	Lys 205	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	97095.8
Non-Polymers*	Number of molecules	6
	Total formula weight	1029.6
All*	Total formula weight	98125.4

*Water molecules are not included.