4N0N

Crystal structure of Arterivirus nonstructural protein 10 (helicase)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Replicase polyprotein 1ab	polymer	423	45655.4	1	UniProt (P19811) Pfam (PF17977) Pfam (PF17873) Pfam (PF01443)	Equine arteritis virus (EAV)	ORF1ab polyprotein, Nsp1 papain-like cysteine proteinase, PCP, Nsp2 cysteine proteinase, CP2, CP, Non-structural protein 3, Nsp3, 3C-like serine proteinase, 3CLSP, Nsp4, Non-structural protein 5-6-7, Nsp5-6-7, Non-structural protein 5, Nsp5, Non-structural protein 6, Nsp6, Non-structural protein 7-alpha, Nsp7-alpha, Non-structural protein 7-beta, Nsp7-beta, Non-structural protein 8, Nsp8, RNA-directed RNA polymerase, Pol, RdRp, Nsp9, Helicase, Hel, Nsp10, Non-structural protein 11, Nsp11, Non-structural protein 12, Nsp12
2	B, C, D (A)	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	E, F, G, H, I (A)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
4	J (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	K (A)	water	water		18.0	251	Chemie (HOH)

Sequence modifications

A: 1 - 402 (UniProt: P19811)

PDB	External Database	Details
Met -20	-	expression tag
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Gly -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Gly -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	45655.4
Non-Polymers*	Number of molecules	9
	Total formula weight	700.8
All*	Total formula weight	46356.2

*Water molecules are not included.