File:PH + L-Histidin.png
![File:PH + L-Histidin.png](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/PH_%2B_L-Histidin.png/800px-PH_%2B_L-Histidin.png?20110301225907)
Size of this preview: 800 × 577 pixels. Other resolutions: 320 × 231 pixels | 640 × 462 pixels | 1,024 × 739 pixels | 1,280 × 923 pixels | 2,560 × 1,847 pixels | 4,096 × 2,955 pixels.
Original file (4,096 × 2,955 pixels, file size: 38 KB, MIME type: image/png)