9BQR

X-ray Structure of a Second-Sphere H-bond Deletion Mutant of a De Novo Designed Self Assembled Peptide Tetramer Featuring a Cu(His)4(H2O) Coordination Motif

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	K6E/E8K Double Mutant of Cu-4SCC	polymer	39	4013.7	4		synthetic construct
2	E (A)	COPPER (II) ION	non-polymer		63.5	1	Chemie (CU)
3	F, G, H, I (A, B, C, D)	water	water		18.0	93	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	16054.8
Non-Polymers*	Number of molecules	1
	Total formula weight	63.5
All*	Total formula weight	16118.4

*Water molecules are not included.