4EQ5

DNA ligase from the archaeon Thermococcus sibiricus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA ligase	polymer	571	64815.8	1	UniProt (C6A2U9) Pfam (PF04675) Pfam (PF01068) Pfam (PF04679) In PDB	Thermococcus sibiricus	Polydeoxyribonucleotide synthase [ATP]
2	A	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	1	Chemie (AMP)
3		water	water		18.0	2	Chemie (HOH)

Sequence modifications

A: 13 - 571 (UniProt: C6A2U9)

PDB	External Database	Details
Met 1	-	initiating methionine
Arg 2	-	expression tag
Gly 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Gly 11	-	expression tag
Ser 12	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	64815.8
Non-Polymers*	Number of molecules	1
	Total formula weight	347.2
All*	Total formula weight	65163.0

*Water molecules are not included.