This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Botulinumtoxin surface BTA. en surface model of botulinum neurotoxin serotype botox from PDB BTA Long chain is blue short is green Ref Lacy Tepp Cohen DasGupta Stevens Crystal structure of botulinum neurotoxin type and implications for toxicity Nat Struct Biol PMID adapted from pdb org pdb using Accelrys DS Visualizer own