2Q2K

Structure of nucleic-acid binding protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	F	DNA (5'-D(*AP*GP*TP*AP*TP*AP*(5IU)P*AP*CP*(5IU)P*AP*GP*TP*AP*TP*AP*TP*AP*CP*T)-3')	polymer	20	6354.8	1
2	A, B	Hypothetical protein	polymer	70	8167.3	2	UniProt (Q2FDA3) UniProt (by SIFTS) (O87365) In PDB	Staphylococcus aureus
3	A	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	1	Chemie (EPE)

Sequence modifications

A, B: 1 - 51 (UniProt: Q2FDA3)

PDB	External Database	Details
Met -18	-	expression tag
Gly -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
Ser -8	-	expression tag
Ser -7	-	expression tag
Gly -6	-	expression tag
Leu -5	-	expression tag
Val -4	-	expression tag
Pro -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	22689.3
Non-Polymers*	Number of molecules	1
	Total formula weight	238.3
All*	Total formula weight	22927.6

*Water molecules are not included.