1M5A

Crystal Structure of 2-Co(2+)-Insulin at 1.2A Resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	INSULIN A CHAIN	polymer	21	2383.7	2	UniProt (P01315) In PDB	Sus scrofa (pig)
2	B, D	INSULIN B CHAIN	polymer	30	3403.9	2	UniProt (P01315) Pfam (PF00049) In PDB	Sus scrofa (pig)
3	B, D	COBALT (II) ION	non-polymer		58.9	2	Chemie (CO)
4		water	water		18.0	197	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	11575.3
Non-Polymers*	Number of molecules	2
	Total formula weight	117.9
All*	Total formula weight	11693.1

*Water molecules are not included.