7SZX

Structure of the N-terminal nuclease and origin binding domain of Human Parvovirus B19

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	NS1 protein	polymer	228	25337.6	1	UniProt (A3F778) Pfam (PF08724) In PDB	Human parvovirus B19 (HPV B19)
2	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3		water	water		18.0	4	Chemie (HOH)

Sequence modifications

B: 2 - 209 (UniProt: A3F778)

PDB	External Database	Details
Met -18	-	initiating methionine
Ser -17	-	expression tag
Gly -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
Glu -5	-	expression tag
Asn -4	-	expression tag
Leu -3	-	expression tag
Tyr -2	-	expression tag
Phe -1	-	expression tag
Gln 0	-	expression tag
Gly 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	25337.6
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	25361.9

*Water molecules are not included.