4HEX

A novel conformation of calmodulin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Calmodulin	polymer	156	17812.6	2	UniProt (P62204) Pfam (PF13499) UniProt (by SIFTS) (P0DP26)	Mus musculus (mouse)	CaM
2	C, E, G, H, K... (A, B)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
3	D, F, I, J (A, B)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	M, N (A, B)	water	water		18.0	78	Chemie (HOH)

Sequence modifications

A, B: 1 - 149 (UniProt: P62204)

PDB	External Database	Details
Met -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

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	35625.3
Non-Polymers*	Number of molecules	10
	Total formula weight	552.8
All*	Total formula weight	36178.0

*Water molecules are not included.