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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:17, 18 January 2026 | 860 × 705 (37 KB) | Innerstream | {{Information |description={{en|Chemical diagram showing the functional groups in the side chains of histidine, lysine, and arginine in their protonated and unprotonated forms}} |source={{Own}} |date={{subst:CURRENTYEAR}}-{{subst:CURRENTMONTH}}-{{subst:CURRENTDAY}} |author=User:Innerstream |permission={{PD-chem}} }} Category:Amino acids Category:Proteins |
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