| Cluster ID | Phylum/Class | Species | Amino Acid | Anticodon |
| C019213 | Alphaproteobacteria | Rhodobacter sphaeroides 2.4.1 | Pro | TGG |
| C019284 | Alphaproteobacteria | Rhodobacter sphaeroides ATCC 17025 | Pro | TGG |
| C019305 | Alphaproteobacteria | Rhodobacter sphaeroides ATCC 17029 | Pro | TGG |
| C09109044 | Alphaproteobacteria | Rhodobacter sphaeroides KD131 | Pro | TGG |
| C161048348 | Alphaproteobacteria | Rhodobacter sphaeroides MBTLJ-8 | Pro | TGG |
| C171036988 | Alphaproteobacteria | Rhodobacter sphaeroides MBTLJ-13 | Pro | TGG |
| C171103094 | Gammaproteobacteria | Cellvibrionaceae bacterium 017 (CP020038) | Pro | TGG |