| Enzyme | Restriction site | Origin | Temperature |
| FalI | ...NNNNNN NNNNNNNNAAGNNNNNCTTNNNNNNNNNNNNN N... ...N NNNNNNNNNNNNNTTCNNNNNGAANNNNNNNN NNNNNN... | Flavobacterium aquatile | 37 oC |
| FaqI | ...GGGACNNNNNNNNNN NNNNN... ...CCCTGNNNNNNNNNNNNNN N... | Flavobacterium aquatile | 37 oC |
| FatI | ...N CATGN... ...NGTAC N... | Flavobacterium aquatile | 55 oC |
| FauI | ...CCCGCNNNN NNN... ...GGGCGNNNNNN N... | Flavobacterium aquatile | 55 oC |
| FauNDI | ...CA TATG... ...GTAT AC... | Flavobacterium aquatile | 37 oC |
| FbaI | ...T GATCA... ...ACTAG T... | Flavobacterium aquatile | 37 oC |
| FblI | ...GT MKAC... ...CAKM TG... | Flavobacterium balustinum | 55 oC |
| Fnu4HI | ...GC NGC... ...CGN CG... | Fusobacterium nucleatum | 37 oC |
| FokI | ...GGATGNNNNNNNNN NNNNN... ...CCTACNNNNNNNNNNNNN N... | Planomicrobium okeanokoites | 37 oC |
| FriOI | ...GRGCY C... ...C YCGRG... | Flavobacterium species | 37 oC |
| FseI | ...GGCCGG CC... ...CC GGCCGG... | Frankia species | 37 oC |
| FspI | ...TGC GCA... ...ACG CGT... | Fischerella species | 37 oC |
| FspAI | ...RTGC GCAY... ...TACG CGTR... | Flexibacter species | 37 oC |
| FspBI | ...C TAG... ...GAT C... | Flavobacterium species | 37 oC |
| Fsp4HI | ...GC NGC... ...CGN CG... | Flavobacterium species | 37 oC |
| GsuI | ...CTGGAGNNNNNNNNNNNNNNNN N... ...GACCTCNNNNNNNNNNNNNN NNN... | Gluconobacter suboxydans | 30 oC |
| HaeII | ...RGCGC Y... ...Y CGCGR... | Haemophilus aegyptius | 37 oC |
| HaeIII | ...GC CC... ...CC GG... | Haemophilus aegyptius | 37 oC |
| HapII | ...C CGG... ...GGC C... | Haemophilus aphrophilus | 37 oC |
| HgaI | ...GACGCNNNNNN NNNNN... ...CTGCGNNNNNNNNNN N... | Avibacterium paragallinarum | 37 oC |
| HhaI | ...GCG C... ...C GCG... | Haemophilus haemolyticus | 37 oC |
| Hin1I | ...GR CGYC... ...CYGC RG... | Haemophilus influenzae | 37 oC |
| Hin1II | ...NCATG N... ...N GTACN... | Haemophilus influenzae | 37 oC |
| Hin6I | ...G CGC... ...CGC G... | Haemophilus influenzae | 37 oC |
| HincII | ...GTY RAC... ...CAR YTG... | Haemophilus influenzae | 37 oC |
| HindII | ...GTY RAC... ...CAR YTR... | Haemophilus influenzae | 37 oC |
| HindIII | ...A AGCTT... ...TTCGA A... | Haemophilus influenzae | 37 oC |
| HinfI | ...G ANTC... ...CTNA G... | Haemophilus influenzae | 37 oC |
| HinP1I | ...G CGC... ...CGC G... | Haemophilus influenzae | 37 oC |
| HpaI | ...GTT AAC... ...CAA TTG... | Haemophilus parainfluenzae | 37 oC |
| HpaII | ...C CGG... ...GGC C... | Haemophilus parainfluenzae | 37 oC |
| HphI | ...GGTGANNNNNNNN N... ...CCACTNNNNNNN NN... | Haemophilus parahaemolyticus | 37 oC |
| Hpy188I | ...TCN GA... ...AG NCT... | Helicobacter pylori | 37 oC |
| Hpy188III | ...TC NNGA... ...AGNN CT... | Helicobacter pylori | 37 oC |
| Hpy8I | ...GTN NAC... ...CAN NTG... | Helicobacter pylori | 37 oC |
| Hpy99I | ...NCGWCG N... ...N GCWGCN... | Helicobacter pylori | 37 oC |
| HpyCH4III | ...ACN GT... ...TG NCA... | Helicobacter pylori | 37 oC |
| HpyCH4IV | ...A CGT... ...TGC A... | Helicobacter pylori | 37 oC |
| HpyCH4V | ...TG CA... ...AC GT... | Helicobacter pylori | 37 oC |
| HpyF3I | ...C TNAG... ...GANT C... | Helicobacter pylori | 37 oC |
| HpyF10VI | ...GCNNNNN NNGC... ...CGNN NNNNNCG... | Helicobacter pylori | 37 oC |
| Hsp92I | ...GR CGYC... ...CYCG RG... | Haemophilus species | 37 oC |
| Hsp92II | ...NCATG N... ...N GTACN... | Haemophilus species | 37 oC |
| HspAI | ...G CGC... ...CGC G... | Haemophilus species | 37 oC |
| ItaI | ...GC NGC... ...CGN CG... | Ilyobacter tartaricus | 37 oC |
| KasI | ...G GCGCC... ...CCGCG G... | Kluyvera ascorbata | 37 oC |
| KpnI | ...GGTAC C... ...C CATGG... | Klebsiella pneumoniae | 37 oC |
| Kpn2I | ...T CCGGA... ...AGGCC T... | Klebsiella pneumoniae | 55 oC |
| KspI | ...CCGC GG... ...GG CGCC... | Kluyvera species | 37 oC |
| Ksp22I | ...T GATCA... ...ACTAG T... | Kurthia species | 37 oC |
| Ksp632I | ...CTCTTCN NNNN... ...GAGAAGNNNN N... | Kluyvera species | 37 oC |
| KspAI | ...GTT AAC... ...CAA TTG... | Kurthia species | 37 oC |
| Kzo9I | ...N GATCN... ...NCTAG N... | Kurthia zopfii | 37 oC |
| LweI | ...GCATCNNNNN NNNNN... ...CGTAGNNNNNNNNN N... | Listeria welshimeri | 37 oC |