3DD4

Structural Basis of KChIP4a Modulation of Kv4.3 Slow Inactivation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Kv channel-interacting protein 4	polymer	229	26529.3	1	UniProt (Q6PHZ8) Pfam (PF13833) Pfam (PF13499) In PDB	Mus musculus (mouse)	KChIP4, A-type potassium channel modulatory protein 4, Potassium channel-interacting protein 4, Calsenilin-like protein
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	19	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26529.3
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	26609.5

*Water molecules are not included.