3TT8

Crystal Structure Analysis of Cu 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	INSULIN A-CHAIN	polymer	21	2383.7	2	UniProt (P01308) In PDB	Homo sapiens	Insulin A chain
2	B, D	INSULIN B-CHAIN	polymer	30	3434.0	2	UniProt (P01308) Pfam (PF00049) In PDB	Homo sapiens	Insulin B chain
3	E, F	COPPER (II) ION	non-polymer		63.5	2	Chemie (CU)
4		water	water		18.0	156	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	127.1
All*	Total formula weight	11762.4

*Water molecules are not included.