9QHC

Crystal structure of 8-repeat CTPR protein with eliminated coordination sites

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)	Engineered tetratricopeptide repeat protein	polymer	292	34250.2	2		Escherichia coli
2	C, E (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D (A)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	1	Chemie (MPD)
4	F (B)	water	water		18.0	5	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68500.4
Non-Polymers*	Number of molecules	3
	Total formula weight	198.3
All*	Total formula weight	68698.8

*Water molecules are not included.