| Q6FYG4 | PUR9_BARQU | Bartonella quintana (strain Toulouse) (Rochalimaea quintana) | purH BQ12870 | Detail |
| A9IZD0 | PUR9_BART1 | Bartonella tribocorum (strain CIP 105476 / IBS 506) | purH BT_2562 | Detail |
| B2A5W1 | PUR9_NATTJ | Natranaerobius thermophilus (strain ATCC BAA-1301 / DSM 18059 / JW/NM-WN-LF) | purH Nther_0458 | Detail |
| A3MP76 | PUR9_BURM7 | Burkholderia mallei (strain NCTC 10247) | purH BMA10247_2535 | Detail |
| B9E4K6 | PUR9_CLOK1 | Clostridium kluyveri (strain NBRC 12016) | purH CKR_2380 | Detail |
| Q1LRB3 | PUR9_CUPMC | Cupriavidus metallidurans (strain ATCC 43123 / DSM 2839 / NBRC 102507 / CH34) (Ralstonia metallidurans) | purH Rmet_0427 | Detail |
| B1IL57 | PUR9_CLOBK | Clostridium botulinum (strain Okra / Type B1) | purH CLD_1667 | Detail |
| B2V3C3 | PUR9_CLOBA | Clostridium botulinum (strain Alaska E43 / Type E3) | purH CLH_1043 | Detail |
| P0AA99 | YAFK_ECOLI | Escherichia coli (strain K12) | yafK b0224 JW0214 | Detail |
| Q5WC42 | YKUD_BACSK | Bacillus clausii (strain KSM-K16) | ABC3535 | Detail |