K15342  cas1; CRISP-associated protein Cas1
       K09951  cas2; CRISPR-associated protein Cas2
       K07012  cas3; CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 5.6.2.4]
       K07475  cas3; CRISPR-associated endonuclease Cas3-HD [EC:3.1.-.-]
       K19085  csa1; CRISPR-associated protein Csa1
       K19074  csa2; CRISPR-associated protein Csa2
       K07725  csa3; CRISPR-associated protein Csa3
       K19086  csa4, cas8a2; CRISPR-associated protein Csa4
       K19087  csa5; CRISPR-associated protein Csa5
       K19088  cst1, cas8a; CRISPR-associated protein Cst1
       K19075  cst2, cas7; CRISPR-associated protein Cst2
       K07464  cas4; CRISPR-associated exonuclease Cas4 [EC:3.1.12.1]
       K19089  cas5a_b_c; CRISPR-associated protein Cas5a/b/c
       K19090  cas5t; CRISPR-associated protein Cas5t
       K19091  cas6; CRISPR-associated endoribonuclease Cas6 [EC:3.1.-.-]
       K19114  csh1; CRISPR-associated protein Csh1
       K19115  csh2; CRISPR-associated protein Csh2
       K19116  cas5h; CRISPR-associated protein Cas5h
       K19117  csd1, cas8c; CRISPR-associated protein Csd1
       K19118  csd2, cas7; CRISPR-associated protein Csd2
       K19119  cas5d; CRISPR-associated protein Cas5d
       K19120  csc1; CRISPR-associated protein Csc1
       K19121  csc2; CRISPR-associated protein Csc2
       K19122  csc3; CRISPR-associated protein Csc3
       K19123  casA, cse1; CRISPR system Cascade subunit CasA
       K19046  casB, cse2; CRISPR system Cascade subunit CasB
       K19124  casC, cse4; CRISPR system Cascade subunit CasC
       K19125  casD, cse5; CRISPR system Cascade subunit CasD
       K19126  casE, cse3; CRISPR system Cascade subunit CasE
       K19127  csy1; CRISPR-associated protein Csy1
       K19128  csy2; CRISPR-associated protein Csy2
       K19129  csy3; CRISPR-associated protein Csy3
       K19130  csy4, cas6f; CRISPR-associated endonuclease Csy4 [EC:3.1.-.-]
       K19131  csb1; CRISPR-associated protein Csb1
       K19132  csb2; CRISPR-associated protein Csb2
       K19133  csb3; CRISPR-associated protein Csb3
       K19134  csx10; CRISPR-associated protein Csx10
       K19135  csx14; CRISPR-associated protein Csx14
       K19136  csx17; CRISPR-associated protein Csx17
       K09952  csn1, cas9; CRISPR-associated endonuclease Csn1 [EC:3.1.-.-]
       K19137  csn2; CRISPR-associated protein Csn2
       K07016  csm1, cas10; CRISPR-associated protein Csm1
       K19138  csm2; CRISPR-associated protein Csm2
       K09002  csm3; CRISPR-associated protein Csm3
       K19139  csm4; CRISPR-associated protein Csm4
       K19140  csm5; CRISPR-associated protein Csm5
       K07061  cmr1; CRISPR-associated protein Cmr1
       K19076  cmr2, cas10; CRISPR-associated protein Cmr2
       K09127  cmr3; CRISPR-associated protein Cmr3
       K09000  cmr4; CRISPR-associated protein Cmr4
       K19141  cmr5; CRISPR-associated protein Cmr5
       K19142  cmr6; CRISPR-associated protein Cmr6
       K19143  csx1; CRISPR-associated protein Csx1
       K19144  csx3; CRISPR-associated protein Csx3
       K19145  csx16; CRISPR-associated protein Csx16
       K19146  csaX; CRISPR-associated protein CsaX
       K01153  hsdR; type I restriction enzyme, R subunit [EC:3.1.21.3]
       K01154  hsdS; type I restriction enzyme, S subunit [EC:3.1.21.3]
       K03427  hsdM; type I restriction enzyme M protein [EC:2.1.1.72]
       K01155  E3.1.21.4; type II restriction enzyme [EC:3.1.21.4]
       K06223  dam; DNA adenine methylase [EC:2.1.1.72]
       K13581  ccrM; modification methylase [EC:2.1.1.72]
       K07317  K07317; adenine-specific DNA-methyltransferase [EC:2.1.1.72]
       K07318  K07318; adenine-specific DNA-methyltransferase [EC:2.1.1.72]
       K07319  yhdJ; adenine-specific DNA-methyltransferase [EC:2.1.1.72]
       K00571  E2.1.1.72; site-specific DNA-methyltransferase (adenine-specific) [EC:2.1.1.72]
       K00558  DNMT1, dcm; DNA (cytosine-5)-methyltransferase 1 [EC:2.1.1.37]
       K00590  E2.1.1.113; site-specific DNA-methyltransferase (cytosine-N4-specific) [EC:2.1.1.113]
       K24451  zim; modification methylase
       K01156  res; type III restriction enzyme [EC:3.1.21.5]
       K07316  mod; adenine-specific DNA-methyltransferase [EC:2.1.1.72]
       K07451  mcrA; 5-methylcytosine-specific restriction enzyme A [EC:3.1.21.-]
       K07452  mcrB; 5-methylcytosine-specific restriction enzyme B [EC:3.1.21.-]
       K19147  mcrC; 5-methylcytosine-specific restriction enzyme subunit McrC
       K07448  mrr; restriction system protein
       K18920  hokA; protein HokA
       K18921  hokB; protein HokB
       K18919  hokC_D; protein HokC/D
       K18922  hokE; protein HokE
       K18870  sokB; sRNA antisense regulator of MokB and HokB protein
       K18871  sokC; sRNA antisense regulator of MokC and HokC protein
       K19048  symE; toxic protein SymE
       K18524  symR; sRNA antisense regulator of SymE protein
       K18862  ldrA_B_C_D; small toxic polypeptide LdrA/B/C/D
       K18863  rdlA_B_C_D; sRNA antisense regulator of LdrA/B/C/D protein
       K19148  tisB; small toxic protein TisB
       K18526  istR; sRNA antisense regulator of TisB protein
       K19149  ibsA; small toxic protein IbsA
       K19150  ibsB; small toxic protein IbsB
       K19151  ibsC; small toxic protein IbsC
       K19152  ibsD; small toxic protein IbsD
       K19153  ibsE; small toxic protein IbsE
       K18864  sibA; sRNA antisense regulator of IbsA protein
       K18865  sibB; sRNA antisense regulator of IbsB protein
       K18867  sibC; sRNA antisense regulator of IbsC protein
       K18868  sibD; sRNA antisense regulator of IbsD protein
       K18869  sibE; sRNA antisense regulator of IbsE protein
       K19154  shoB; small toxic protein ShoB
       K18872  ohsC; sRNA antisense regulator of ShoB protein
       K19779  ralR; endodeoxyribonuclease RalR [EC:3.1.-.-]
       K19780  ralA, rcbA; antisense regulator of RalR protein
       K07171  mazF, ndoA, chpA; mRNA interferase MazF [EC:3.1.-.-]
       K07172  mazE, chpAI; antitoxin MazE
       K26981  mazE1; antitoxin MazE1
       K26982  mazE2; antitoxin MazE2
       K26983  mazE3; antitoxin MazE3
       K26984  mazE4; antitoxin MazE4
       K26985  mazE5; antitoxin MazE5
       K26986  mazE6; antitoxin MazE6
       K26987  mazE7; antitoxin MazE7
       K26988  mazE8; antitoxin MazE8
       K26989  mazE9; antitoxin MazE9
       K07723  ndoAI; CopG family transcriptional regulator / antitoxin EndoAI
       K18841  chpB, chpBK; mRNA interferase ChpB [EC:3.1.-.-]
       K18842  chpS, chpBI; antitoxin ChpS
       K19155  yhaV; toxin YhaV [EC:3.1.-.-]
       K19156  prlF, sohA; antitoxin PrlF
       K06218  relE, stbE; mRNA interferase RelE/StbE
       K18918  relB; RHH-type transcriptional regulator, rel operon repressor / antitoxin RelB
       K18923  stbD; antitoxin StbD
       K19157  yafQ; mRNA interferase YafQ [EC:3.1.-.-]
       K07473  dinJ; DNA-damage-inducible protein J
       K19158  yoeB; toxin YoeB [EC:3.1.-.-]
       K19159  yefM; antitoxin YefM
       K07154  hipA; serine/threonine-protein kinase HipA [EC:2.7.11.1]
       K15773  hipB; HTH-type transcriptional regulator / antitoxin HipB
       K07339  hicA; mRNA interferase HicA [EC:3.1.-.-]
       K18843  hicB; antitoxin HicB
       K19160  yafO; mRNA interferase YafO [EC:3.1.-.-]
       K19161  yafN; antitoxin YafN
       K05839  hha; haemolysin expression modulating protein
       K19162  tomB; hha toxicity modulator TomB
       K03973  pspC; phage shock protein C
       K03970  pspB; phage shock protein B
       K19163  ccdB; toxin CcdB
       K19164  ccdA; antitoxin CcdA
       K19092  parE1_3_4; toxin ParE1/3/4
       K19093  parE2; toxin ParE2
       K07746  parD1_3_4; antitoxin ParD1/3/4
       K19094  parD2; antitoxin ParD2
       K07341  doc; death on curing protein
       K19165  phd; antitoxin Phd
       K19166  higB; mRNA interferase HigB [EC:3.1.-.-]
       K07334  higB-1; toxin HigB-1
       K18831  higA; HTH-type transcriptional regulator / antitoxin HigA
       K21498  higA-1; antitoxin HigA-1
       K13651  mqsR; motility quorum-sensing regulator / GCU-specific mRNA interferase toxin
       K13655  mqsA; HTH-type transcriptional regulator / antitoxin MqsA
       K18828  mvpA, vapC; tRNA(fMet)-specific endonuclease VapC [EC:3.1.-.-]
       K18829  mvpT, vapB; antitoxin VapB
       K19686  vapC; ribonuclease VapC [EC:3.1.-.-]
       K19687  vapB; antitoxin VapB
       K16214  pezT; UDP-N-acetylglucosamine kinase [EC:2.7.1.176]
       K18830  pezA; HTH-type transcriptional regulator / antitoxin PezA
       K21487  yobL; toxin YobL [EC:3.1.-.-]
       K21488  yobK; antitoxin YobK
       K21489  yokI; toxin YokI [EC:3.1.-.-]
       K21490  yokJ; antitoxin YokJ
       K21491  yqcG; toxin YqcG [EC:3.1.-.-]
       K21492  yqcF; antitoxin YqcF
       K21493  yxiD; toxin YxiD [EC:3.1.-.-]
       K21494  yxxD; antitoxin YxxD
       K07062  fitB; toxin FitB [EC:3.1.-.-]
       K21495  fitA; antitoxin FitA
       K21496  BC_0920; toxin [EC:3.1.-.-]
       K21497  BC_0921; antitoxin
       K19334  tabA; biofilm protein TabA
       K13650  mcbA; MqsR-controlled colanic acid and biofilm protein A
       K12148  bssS; biofilm regulator BssS
       K19688  bssR; biofilm regulator BssR
       K12151  bhsA; multiple stress resistance protein BhsA
       K03531  ftsZ; cell division protein FtsZ
       K03569  mreB; rod shape-determining protein MreB and related proteins
       K02621  parC; topoisomerase IV subunit A [EC:5.6.2.2]
       K02622  parE; topoisomerase IV subunit B [EC:5.6.2.2]
       K01885  EARS, gltX; glutamyl-tRNA synthetase [EC:6.1.1.17]
       K07060  nob1; endoribonuclease Nob1 [EC:3.1.-.-]
       K19167  abiQ; protein AbiQ
       K18837  cbtA; cytoskeleton-binding toxin CbtA and related proteins
       K18838  cbeA; cytoskeleton bundling-enhancing protein CbeA and related proteins
       K19168  cptA; toxin CptA
       K09159  cptB; antitoxin CptB
       K18839  ghoT; toxin GhoT
       K18840  ghoS; antitoxin GhoS
       K04487  iscS, NFS1; cysteine desulfurase [EC:2.8.1.7]
       K19169  dndB; DNA sulfur modification protein DndB
       K19170  dndC; DNA sulfur modification protein DndC
       K19171  dndD; DNA sulfur modification protein DndD
       K19172  dndE; DNA sulfur modification protein DndE
       K19173  dptF; DNA phosphorothioation-dependent restriction protein DptF
       K19174  dptG; DNA phosphorothioation-dependent restriction protein DptG
       K19175  dptH; DNA phosphorothioation-dependent restriction protein DptH