3IR0

Crystal Structure of Human Insulin complexed with Cu+2 metal ion

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I...	Insulin A chain	polymer	21	2383.7	12	UniProt (P01308) In PDB	Homo sapiens (human)
2	B, D, F, H, J...	Insulin B chain	polymer	30	3434.0	12	UniProt (P01308) Pfam (PF00049) In PDB	Homo sapiens (human)
3	F, H, J, L, N...	COPPER (II) ION	non-polymer		63.5	12	Chemie (CU)
4		water	water		18.0	310	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	24
	Total formula weight	69811.8
Non-Polymers*	Number of molecules	12
	Total formula weight	762.6
All*	Total formula weight	70574.4

*Water molecules are not included.