5BTS

Structural and biophysical characterization of a covalent insulin dimer formed during storage of neutral formulation of human insulin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Insulin A chain	polymer	21	2383.7	1	UniProt (P01308) In PDB	Homo sapiens (Human)
2	B	Insulin B chain	polymer	30	3434.0	1	UniProt (P01308) Pfam (PF00049) In PDB	Homo sapiens (Human)
3		water	water		18.0	66	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	5817.7
All*	Total formula weight	5817.7

*Water molecules are not included.