6MUA

Crystal structure of Csm1-Csm4 subcomplex in the type III-A CRISPR-Csm interference 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)	Uncharacterized protein Csm1	polymer	791	89750.6	1	UniProt (B6YWB8) Pfam (PF01966) Pfam (PF18211) Pfam (PF22335)	Thermococcus onnurineus
2	B (B)	Uncharacterized protein Csm4	polymer	289	32345.1	1	UniProt (B6YWC1)	Thermococcus onnurineus

Sequence modifications

A: 1 - 777 (UniProt: B6YWB8)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Asp -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	122095.7
All*	Total formula weight	122095.7

*Water molecules are not included.