Illustration of a pi-helix (yellow) secondary structure in a protein. This is a bulge in an alpha helix (blue) structure caused by the insertion of a single amino acid. They are rare, but are most often found in the active site of proteins. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / FRANCISCO J. ENGUITA |
Taille de l’image : | 4714 px × 4667 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |