4RXW

Crystal Structure of the cobalt human insulin derivative

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Insulin A chain	polymer	21	2383.7	2	UniProt (P01308)	Homo sapiens
2	B, D (B, D)	Insulin B chain	polymer	30	3434.0	2	UniProt (P01308) Pfam (PF00049)	Homo sapiens
3	E, F (B, D)	COBALT (II) ION	non-polymer		58.9	2	Chemie (CO)
4	G, H, I, J (A, B, C, D)	water	water		18.0	108	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	11635.3
Non-Polymers*	Number of molecules	2
	Total formula weight	117.9
All*	Total formula weight	11753.2

*Water molecules are not included.