7XCA

Crystal structure of the porcine astrovirus capsid spike domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Capsid protein spike domain	polymer	271	29754.4	2	UniProt (W5X1V8) Pfam (PF12226) In PDB	Porcine astrovirus 1 (PAstV-1)
2	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	92	Chemie (HOH)

Sequence modifications

A, B: 9 - 258 (UniProt: W5X1V8)

PDB	External Database	Details
Met 1	-	initiating methionine
Asp 2	-	expression tag
Ile 3	-	expression tag
Gly 4	-	expression tag
Ile 5	-	expression tag
Asn 6	-	expression tag
Ser 7	-	expression tag
Asp 8	-	expression tag
Lys 259	-	expression tag
Leu 260	-	expression tag
Ala 261	-	expression tag
Ala 262	-	expression tag
Ala 263	-	expression tag
Leu 264	-	expression tag
Glu 265	-	expression tag
His 266	-	expression tag
His 267	-	expression tag
His 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	59508.8
Non-Polymers*	Number of molecules	2
	Total formula weight	59.8
All*	Total formula weight	59568.6

*Water molecules are not included.