5COC

Fusion protein of human calmodulin and B4 domain of protein A from staphylococcal aureus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Immunoglobulin G-binding protein A,Calmodulin	polymer	130	14550.1	1	UniProt (P38507) UniProt (P62158) Pfam (PF02216) Pfam (PF13499) UniProt (by SIFTS) (P0DP23) In PDB	Staphylococcus aureus	IgG-binding protein A,Staphylococcal protein A,CaM
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	12	Chemie (HOH)

Sequence modifications

A: 213 - 267 (UniProt: P38507)

PDB	External Database	Details
Val 212	-	expression tag
Ala 240	Gly 240	engineered mutation
Cys 261	Lys 261	engineered mutation

A: 1005 - 1078 (UniProt: P62158)

PDB	External Database	Details
Ala 1005	Leu 5	engineered mutation
Ala 1006	Thr 6	engineered mutation
Cys 1009	Gln 9	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	14550.1
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	14630.3

*Water molecules are not included.