6H9I

Csf5, CRISPR-Cas type IV Cas6 crRNA endonuclease

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Csf5	polymer	266	29695.0	2	UniProt (Q5NWP0) In PDB	Aromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1))
2	C, E	crRNA	polymer	25	8075.7	2		Aromatoleum aromaticum EbN1
3	A, B, C	L(+)-TARTARIC ACID	non-polymer		150.1	3	Chemie (TLA)
4	A, B, E	GLYCEROL	non-polymer		92.1	3	Chemie (GOL)
5	B	MANGANESE (II) ION	non-polymer		54.9	1	Chemie (MN)
6		water	water		18.0	110	Chemie (HOH)

Sequence modifications

A, B: 3 - 260 (UniProt: Q5NWP0)

PDB	External Database	Details
Met 1	-	initiating methionine
Gly 2	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	75541.5
Non-Polymers*	Number of molecules	7
	Total formula weight	781.5
All*	Total formula weight	76323.0

*Water molecules are not included.