2M5E

Structure of the C-domain of Calcium-saturated Calmodulin bound to the IQ motif of NaV1.2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Calmodulin	polymer	73	8416.3	1	UniProt (P07463) Pfam (PF13499) In PDB	Paramecium tetraurelia	CaM
2	B	Sodium channel protein type 2 subunit alpha	polymer	27	3370.1	1	UniProt (P04775) In PDB	Rattus norvegicus (rat)	Sodium channel protein brain II subunit alpha, Sodium channel protein type II subunit alpha, Voltage-gated sodium channel subunit alpha Nav1.2
3	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	11786.4
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	11866.6

*Water molecules are not included.