9OF1

CryoEM structure of Cad1 in Apo form, symmetry expanded dimer, refined against a composite map

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, D)	CRISPR-associated ring nuclease and adenosine deaminase, subunit A	polymer	625	69499.1	2	UniProt (A0A062XY19) Pfam (PF09623) Pfam (PF00962)	Thermoanaerobaculum aquaticum
2	C, D (B, D)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	138998.3
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	139129.1

*Water molecules are not included.