4IRK

structure of Polymerase-DNA complex, dna

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (B, A)	DNA polymerase IV	polymer	342	38304.3	2	UniProt (Q47155) Pfam (PF00817) Pfam (PF21999) Pfam (PF11799)	Escherichia coli	Pol IV
2	B, E (C, F)	DNA (5'-D(*TP*CP*TP*AP*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*C)-3')	polymer	18	5492.6	2
3	C, F (G, H)	DNA (5'-D(*CP*TP*A*GP*GP*GP*TP*CP*CP*TP*AP*GP*GP*AP*CP*CP*(DOC))-3')	polymer	17	5172.4	2
4	G, I (B, A)	2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE	non-polymer		467.2	2	Chemie (DCP)
5	H, J (B, A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
6	K, L, M, N, O... (B, C, G, A, F...)	water	water		18.0	324	Chemie (HOH)

Sequence modifications

B, 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	97938.4
Non-Polymers*	Number of molecules	4
	Total formula weight	982.9
All*	Total formula weight	98921.3

*Water molecules are not included.