3SEN

Structure of Caskin1 Tandem SAMs

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Caskin-1	polymer	157	17893.6	4	UniProt (Q8WXD9) Pfam (PF00536) In PDB	Homo sapiens (human)	CASK-interacting protein 1
2	A	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)

Sequence modifications

A, B, C, D: 6 - 149 (UniProt: Q8WXD9)

PDB	External Database	Details
Met -7	-	expression tag
Lys -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag
Met 2	-	expression tag
His 3	-	expression tag
Ala 4	-	expression tag
Lys 5	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	71574.4
Non-Polymers*	Number of molecules	1
	Total formula weight	39.1
All*	Total formula weight	71613.5

*Water molecules are not included.