![](http://www.alamy.com/thumbs/6/0FC35DEB-181A-4A4E-B85F-FAAB789DBF2C/MCFK66.jpg)
Leu-enkephalin endogenous opioid peptide molecule. Stylized 2D renderings.
Size: 5000px × 4347px
Photo credit: © molekuul.be / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: atomic, atoms, bond, chemical, chemistry, circle, composition, compound, drawing, endogenous, enkefalin, enkephalin, factor, flat, formula, growth, icon, leu-enkephalin, line, model, molecular, molecule, ogf, opioid, peptide, receptor, ring, skeletal, structure, style, stylized, vector, vectors