5D9I

SV40 Large T antigen origin binding domain bound to artificial DNA fork

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Large T antigen	polymer	134	15490.8	2	UniProt (P03070) Pfam (PF02217) In PDB	Simian virus 40 (SV40)	LT-AG
2	X	DNA (5'-D(*GP*AP*GP*GP*AP*GP*GP*CP*TP*TP*TP*TP*TP*TP*GP*GP*AP*GP*GP*CP*C)-3')	polymer	21	6550.2	1		synthetic construct
3	Y	DNA (5'-D(*AP*CP*TP*CP*CP*TP*CP*CP*GP*AP*AP*AP*AP*AP*AP*CP*CP*TP*CP*CP*GP*GP*A)-3')	polymer	23	6963.5	1		synthetic construct
4	A, B	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
5	B, Y	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
6	Y	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
7		water	water		18.0	230	Chemie (HOH)

Sequence modifications

A, B: 131 - 260 (UniProt: P03070)

PDB	External Database	Details
Gly 129	-	expression tag
Ser 130	-	expression tag
Ser 261	-	expression tag
Ser 262	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	44495.3
Non-Polymers*	Number of molecules	5
	Total formula weight	263.3
All*	Total formula weight	44758.6

*Water molecules are not included.