| A3CT76 | SYFA_METMJ | Methanoculleus marisnigri (strain ATCC 35101 / DSM 1498 / JR1) | pheS Memar_0643 | Detail |
| Q8PWV6 | SYFA_METMA | Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) (Methanosarcina frisia) | pheS MM_1470 | Detail |
| Q6KHC8 | SYFB_MYCMO | Mycoplasma mobile (strain ATCC 43663 / 163K / NCTC 11711) | pheT MMOB5160 | Detail |
| Q99M01 | SYFM_MOUSE | Mus musculus (Mouse) | Fars2 Fars1 | Detail |
| A6UF74 | SYFA_SINMW | Sinorhizobium medicae (strain WSM419) (Ensifer medicae) | pheS Smed_3486 | Detail |
| Q47CM8 | SYFA_DECAR | Dechloromonas aromatica (strain RCB) | pheS Daro_2673 | Detail |
| B2A5N5 | SYFA_NATTJ | Natranaerobius thermophilus (strain ATCC BAA-1301 / DSM 18059 / JW/NM-WN-LF) | pheS Nther_1817 | Detail |
| Q46KZ8 | SYFB_PROMT | Prochlorococcus marinus (strain NATL2A) | pheT PMN2A_0338 | Detail |
| Q48JR8 | SYFB_PSE14 | Pseudomonas savastanoi pv. phaseolicola (strain 1448A / Race 6) (Pseudomonas syringae pv. phaseolicola (strain 1448A / Race 6)) | pheT PSPPH_2140 | Detail |
| Q2GHR3 | SYFA_EHRCR | Ehrlichia chaffeensis (strain ATCC CRL-10679 / Arkansas) | pheS ECH_0196 | Detail |