| UniProtKB/Swiss-Prot |
| Q8UHN3, PUR2_AGRFC | Q46482, PUR2_ALLVD | O66949, PUR2_AQUAE |
| P52420, PUR2_ARATH | O29108, PUR2_ARCFU | P12039, PUR2_BACSU |
| Q59A32, PUR2_BOVIN | Q8YFK1, PUR2_BRUME | Q8G2B1, PUR2_BRUSU |
| Q8RC54, PUR2_CALS4 | Q9PN47, PUR2_CAMJE | Q5HTL1, PUR2_CAMJR |
| Q9ABD2, PUR2_CAUVC | P21872, PUR2_CHICK | Q26255, PUR2_CHITE |
| Q8KBV8, PUR2_CHLTE | Q97J90, PUR2_CLOAB | Q9RHX4, PUR2_CORAM |
| Q8NMH3, PUR2_CORGL | J9VYP5, PUR2_CRYNH | Q9RUF5, PUR2_DEIRA |
| Q54GJ2, PUR2_DICDI | P00967, PUR2_DROME | P16340, PUR2_DROPS |
| Q8X612, PUR2_ECO57 | Q8FB69, PUR2_ECOL6 | P15640, PUR2_ECOLI |
| Q8REV7, PUR2_FUSNN | P43845, PUR2_HAEIN | Q9KF52, PUR2_HALH5 |
| Q9ZK07, PUR2_HELPJ | O25817, PUR2_HELPY | P22102, PUR2_HUMAN |
| Q9ZF44, PUR2_LACLA | Q88U30, PUR2_LACPL | Q6ACE6, PUR2_LEIXX |
| Q72V31, PUR2_LEPIC | Q8EZT7, PUR2_LEPIN | Q92AP4, PUR2_LISIN |
| Q71YQ4, PUR2_LISMF | Q8Y6C6, PUR2_LISMO | Q8TKT6, PUR2_METAC |
| Q0W6Q4, PUR2_METAR | A7I6J7, PUR2_METB6 | Q465Q9, PUR2_METBF |
| Q12X37, PUR2_METBU | Q58347, PUR2_METJA | Q8TWG3, PUR2_METKA |
| A2SQ86, PUR2_METLZ | A4FZB0, PUR2_METM5 | A9A6Q7, PUR2_METM6 |
| A6VJ27, PUR2_METM7 | Q8Q0J2, PUR2_METMA | A3CU83, PUR2_METMJ |
| Q6M079, PUR2_METMP | A5UMK4, PUR2_METS3 | Q2NI86, PUR2_METST |
| O27494, PUR2_METTH | A6US04, PUR2_METVS | Q64737, PUR2_MOUSE |
| P65894, PUR2_MYCBO | Q50144, PUR2_MYCLE | P9WHM8, PUR2_MYCTO |
| P9WHM9, PUR2_MYCTU | Q9JWU6, PUR2_NEIMA | Q9JXA3, PUR2_NEIMB |
| Q8YRD8, PUR2_NOSS1 | P57829, PUR2_PASMU | B4REI0, PUR2_PHEZH |
| G8EWC8, PUR2_PICAN | Q9HUV8, PUR2_PSEAE | Q88DK2, PUR2_PSEPK |
| Q87VR8, PUR2_PSESM | Q9UY71, PUR2_PYRAB | Q8U3N5, PUR2_PYRFU |
| O58061, PUR2_PYRHO | Q8XXC4, PUR2_RALN1 | Q986A5, PUR2_RHILO |
| Q92RL0, PUR2_RHIME | Q7UPZ8, PUR2_RHOBA | Q8Z334, PUR2_SALTI |
| P26977, PUR2_SALTY | P20772, PUR2_SCHPO | Q5HH10, PUR2_STAAC |
| P65895, PUR2_STAAM | P65896, PUR2_STAAN | Q6GI10, PUR2_STAAR |
| Q6GAD9, PUR2_STAAS | Q8NX87, PUR2_STAAW | Q5HQ96, PUR2_STAEQ |
| Q8CT26, PUR2_STAES | Q9RKL4, PUR2_STRCO | Q9A1Y7, PUR2_STRP1 |
| P0DD58, PUR2_STRP3 | Q5XEF0, PUR2_STRP6 | Q8P308, PUR2_STRP8 |
| Q97T98, PUR2_STRPN | P0DD59, PUR2_STRPQ | Q8DRM0, PUR2_STRR6 |
| Q9F1S9, PUR2_STRSU | P74232, PUR2_SYNY3 | C5A4U0, PUR2_THEGJ |
| Q5JFP1, PUR2_THEKO | Q9X0X7, PUR2_THEMA | Q9KV81, PUR2_VIBCH |
| Q87KS8, PUR2_VIBPA | Q8DD07, PUR2_VIBVU | Q7MGT4, PUR2_VIBVY |
| P52421, PUR2_VIGUN | Q8D245, PUR2_WIGBR | Q8PQ21, PUR2_XANAC |
| Q8PD48, PUR2_XANCP | Q9PC09, PUR2_XYLFA | Q87D59, PUR2_XYLFT |
| Q99148, PUR2_YARLI | P07244, PUR2_YEAST | Q8ZAR2, PUR2_YERPE |
| Q9FDL5, PUR2_ZYMMO |
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