| UniProtKB/Swiss-Prot |
| Q8UHN3, PUR2_AGRT5; | Q8YRD8, PUR2_ANASP; | O66949, PUR2_AQUAE; |
| P52420, PUR2_ARATH; | O29108, PUR2_ARCFU; | Q9KF52, PUR2_BACHD; |
| P12039, PUR2_BACSU; | Q59A32, PUR2_BOVIN; | Q8YFK1, PUR2_BRUME; |
| Q8G2B1, PUR2_BRUSU; | Q9PN47, PUR2_CAMJE; | Q5HTL1, PUR2_CAMJR; |
| Q9ABD2, PUR2_CAUCR; | P21872, PUR2_CHICK; | Q26255, PUR2_CHITE; |
| Q8KBV8, PUR2_CHLTE; | Q46482, PUR2_CHRVI; | Q97J90, PUR2_CLOAB; |
| Q9RHX4, PUR2_CORAM; | Q8NMH3, PUR2_CORGL; | 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; | 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; | 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; |
| P65893, PUR2_MYCTU; | Q9JWU6, PUR2_NEIMA; | Q9JXA3, PUR2_NEIMB; |
| P57829, PUR2_PASMU; | B4REI0, PUR2_PHEZH; | Q9HUV8, PUR2_PSEAE; |
| Q88DK2, PUR2_PSEPK; | Q87VR8, PUR2_PSESM; | Q9UY71, PUR2_PYRAB; |
| Q8U3N5, PUR2_PYRFU; | O58061, PUR2_PYRHO; | Q5JFP1, PUR2_PYRKO; |
| Q8XXC4, PUR2_RALSO; | 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; | Q8K8Y4, PUR2_STRP3; |
| Q5XEF0, PUR2_STRP6; | Q8P308, PUR2_STRP8; | Q97T98, PUR2_STRPN; |
| Q8DRM0, PUR2_STRR6; | Q9F1S9, PUR2_STRSU; | P74232, PUR2_SYNY3; |
| Q9X0X7, PUR2_THEMA; | Q8RC54, PUR2_THETN; | Q0W6Q4, PUR2_UNCMA; |
| 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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