![](http://www.alamy.com/thumbs/6/562B9596-4E65-47CB-94F4-F3089C772FD7/M5E2DH.jpg)
Met-enkephalin endogenous opioid peptide molecule. Skeletal formula.
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Photo credit: © molekuul.be / Alamy / Afripics
License: Royalty Free
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Keywords: atomic, atoms, chemical, chemistry, composition, compound, drawing, endogenous, enkephalin, factor, flat, formula, growth, icon, line, met-enkephalin, metenkefalin, metenkephalin, molecular, molecule, ogf, opioid, peptide, receptor, skeletal, structure