3ID6

Crystal structure of Sulfolobus solfataricus Nop5 (1-262) and fibrillarin complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Pre mRNA splicing protein	polymer	268	31136.3	1	UniProt (Q97ZH3) Pfam (PF21572) Pfam (PF01798)	Sulfolobus solfataricus	Nop5
2	B (C)	Fibrillarin-like rRNA/tRNA 2'-O-methyltransferase	polymer	232	26439.4	1	UniProt (P58032) Pfam (PF01269)	Sulfolobus solfataricus	fibrillarin, FIB
3	C (C)	S-ADENOSYLMETHIONINE	non-polymer		398.4	1	Chemie (SAM)

Sequence modifications

A: 1 - 262 (UniProt: Q97ZH3)

PDB	External Database	Details
Val 2	Met 2	engineered mutation
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag
His 267	-	expression tag
His 268	-	expression tag

C: 1 - 232 (UniProt: P58032)

PDB	External Database	Details
Ala 2	Ser 2	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57575.7
Non-Polymers*	Number of molecules	1
	Total formula weight	398.4
All*	Total formula weight	57974.2

*Water molecules are not included.