4OLR

[Leu-5]-Enkephalin mutant - YVVFV

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	[Leu-5]-Enkephalin mutant - YVVFV	polymer	5	625.8	2		synthetic construct
2	C (A)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	1	Chemie (MPD)
3	D, E (A, B)	water	water		18.0	5	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	1251.5
Non-Polymers*	Number of molecules	1
	Total formula weight	118.2
All*	Total formula weight	1369.7

*Water molecules are not included.