8PCW

Structure of Csm6' from Streptococcus thermophilus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CRISPR system endoribonuclease Csm6'	polymer	390	45104.3	2	UniProt (A0A0A7HFE6) Pfam (PF09659) In PDB	Streptococcus thermophilus	CRISPR type III-A associated protein Csm6-2

Sequence modifications

A, B: 3 - 386 (UniProt: A0A0A7HFE6)

PDB	External Database	Details
Gly -3	-	expression tag
Ala -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag
Met 1	-	expression tag
Gly 2	-	expression tag
Ala 21	Ser 21	variant
Lys 281	Glu 281	variant
Gln 375	His 375	variant

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	90208.6
All*	Total formula weight	90208.6

*Water molecules are not included.