1FW4

CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION

Replaces:  1TRC

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	71	8155.8	1	UniProt (P62157) Pfam (PF13499) In PDB	Bos taurus (cattle)
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	40	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	8155.8
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	8236.0

*Water molecules are not included.