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V - Defense mechanisms

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COG
definitions
Organims Proteins Median Protein
Length
Genes
198 2,290 229,234 318.0 175
Organism Protein COG Cat Annotation
2016 6321 COG0251 V Enamine deaminase RidA/Endoribonuclease Rid7C, YjgF/YER057c/UK114 family
1625 3935 COG0286 V Type I restriction-modification system, DNA methylase subunit
1209 3103 COG0312 V O Zn-dependent protease or N-deacetylase, PmbA/TldD/TldE family
1133 1522 COG0386 V I Thioredoxin/glutathione peroxidase BtuE, reduces lipid peroxides
2044 6364 COG0388 V Nitrilase/amidase YafV/Nit2, hydrolyzes deaminated glutathione
1667 2531 COG0450 V Alkyl hydroperoxide reductase subunit AhpC (peroxiredoxin)
2046 6136 COG0494 V 8-oxo-dGTP pyrophosphatase MutT and related house-cleaning NTP pyrophosphohydrolases, NUDIX family
1865 6482 COG0534 V Na+-driven multidrug efflux pump, DinF/NorM/MATE family
1673 6431 COG0577 V ABC-type antimicrobial peptide transport system, permease component
1072 1676 COG0610 V Type I site-specific restriction-modification system, R (restriction) subunit and related helicases ...
994 1433 COG0627 V S-formylglutathione hydrolase FrmB
1641 3279 COG0693 V Protein/nucleotide deglycase, PfpI/YajL/DJ-1 family (repair of methylglyoxal-glycated proteins and nucleic acids)
1047 1542 COG0701 V P Arsenite and antimonite resistance protein ArsP/YraQ, UPF0718 family
1292 2487 COG0732 V Restriction endonuclease S subunit
1386 2716 COG0737 V F 2',3'-cyclic-nucleotide 2'-phosphodiesterase/5'- or 3'-nucleotidase, 5'-nucleotidase family
1664 1720 COG0756 V F dUTP pyrophosphatase (dUTPase)
1659 8659 COG0841 V Multidrug efflux pump subunit AcrB
1992 7359 COG0842 V ABC-type multidrug transport system, permease component
1769 12148 COG0845 V M Multidrug efflux pump subunit AcrA (membrane-fusion protein)
1341 2344 COG0861 V P Tellurite resistance membrane protein TerC
1160 2479 COG0863 L V DNA modification adenine methylase
570 840 COG1002 V Type II restriction/modification system, endonuclease and methylase domains
84 85 COG1059 L V Thermostable 8-oxoguanine DNA glycosylase
2184 16989 COG1131 J V Ribosome-associated ATPase or ATPase component of an ABC-type multidrug transport system
2159 13047 COG1132 V M ABC-type multidrug and LPS transport system, ATPase and permease component MsbA
121 121 COG1133 V Peptide antibiotic transporter SbmA/BacA, ABC-type permease family
764 1001 COG1203 V CRISPR-Cas type I system-associated endonuclease/helicase Cas3
940 1187 COG1238 V P Membrane protein YqaA involved in indium extrusion, DedA family, contains VTT domain
533 620 COG1275 V Tellurite resistance protein TehA and related permeases
117 123 COG1332 V CRISPR-Cas system type III CSM-effector complex subunit Csm5, RAMP superfamily Cas7 group
196 250 COG1336 V CRISPR-Cas system type III CMR-effector complex subunit Cmr4, RAMP superfamily Cas7 group
238 566 COG1337 V CRISPR-Cas system type III CSM-effector complex subunit Csm3, RAMP superfamily Cas7 group
690 1022 COG1343 V CRISPR/Cas system-associated endoribonuclease Cas2
337 471 COG1353 V CRISPR/Cas system-associated protein Cas10, large subunit of type III CRISPR-Cas systems, contains HD superfamily nuclease domain
153 173 COG1367 V CRISPR-Cas system type III CMR-effector complex subunit Cmr1, RAMP superfamily Cas7 group
475 566 COG1401 V 5-methylcytosine-specific restriction endonuclease McrBC, GTP-binding regulatory subunit McrB
1269 2519 COG1403 V HNH family endonuclease, includes 5-methylcytosine-specific restriction endonuclease McrA
110 114 COG1421 V CRISPR-Cas system type III CSM-effector complex small subunit Csm2
168 190 COG1431 J V PIWI domain, catalyzes dsRNA-guided hydrolysis of ssRNA, involved in RNA silencing, RNA metabolism and antiviral defense
696 981 COG1468 V CRISPR/Cas system-associated exonuclease Cas4, RecB family
815 1236 COG1479 V DNAse/DNA nickase specific for phosphorothioated or glycosylated phage DNA, GmrSD/DndB/SspE family, contains DUF262 and HNH nuclease domains
865 2595 COG1487 V Ribonuclease/mRNA interferase VapC, contains PIN domain
42 65 COG1517 V CRISPR/Cas system-associated protein Csx1, contains CARF domain
1010 1543 COG1518 V CRISPR-Cas system-associated integrase Cas1
1523 7957 COG1566 V Multidrug resistance efflux pump EmrA
123 127 COG1567 V CRISPR-Cas system type III CSM-effector complex subunit Csm4, RAMP superfamily Cas5 group
248 276 COG1578 V House-cleaning carbohydrate phosphatase, DUF89 family
274 371 COG1583 V CRISPR/Cas system endoribonuclease Cas6, RAMP superfamily
666 1916 COG1598 V Antitoxin component HicB of the HicAB toxin-antitoxin system
182 218 COG1604 V CRISPR/Cas system CMR subunit Cmr6, Cas7 group, RAMP superfamily
210 213 COG1659 V Bacteriocin, linocin/CFP29 family
1534 7522 COG1680 V CubicO group peptidase, beta-lactamase class C family
464 555 COG1688 V CRISPR/Cas system-associated protein Cas5, RAMP superfamily
992 1296 COG1694 V NTP pyrophosphatase, house-cleaning of non-canonical NTPs
146 153 COG1700 V Predicted anti-virus defense system component AQ645, contains DUF2357 and PD-(D/E)xK nuclease domains
628 822 COG1715 V Restriction endonuclease Mrr
64 105 COG1753 V Predicted antitoxin, CopG family
1053 1921 COG1764 V Organic hydroperoxide reductase OsmC/OhrA
147 171 COG1769 V CRISPR-Cas system type III CMR-effector complex subunit Cmr3, RAMP superfamily Cas5 group
299 357 COG1787 V Endonuclease, HJR/Mrr/RecB family
926 1297 COG1842 V M Phage shock protein A involved in membrane remodeling, PspA/Vipp1/IM30 family
591 1383 COG1848 V VapC family ribonuclease, toxin component of the VapBC toxin-antitoxin module, contains PIN domain
173 198 COG1857 V CRISPR-Cas system type I effector complex subunit Cas7, RAMP superfamily
224 318 COG1895 V HEPN domain protein, predicted toxin of MNT-HEPN system
670 725 COG1912 V H Stereoselective (R,S)-S-adenosylmethionine hydrolase (adenosine-forming)
931 1084 COG1956 V T GAF domain-containing protein, putative methionine-R-sulfoxide reductase
308 318 COG1986 V F Non-canonical (house-cleaning) NTP pyrophosphatase, all-alpha NTP-PPase family
578 1018 COG2002 K B V DNA-binding transcriptional regulator, chromatin protein or antitoxin AbrBPrlF/Sso7c4, AbrB family
684 1272 COG2026 V mRNA-degrading endonuclease RelE, toxin component of the RelBE toxin-antitoxin system
1247 2413 COG2076 V Multidrug transporter EmrE and related cation transporters
959 4871 COG2124 V Q Cytochrome P450
605 1011 COG2161 V Antitoxin component YafN of the YafNO toxin-antitoxin module, PHD/YefM family
258 669 COG2250 V HEPN domain protein, predicted toxin of MNT-HEPN system
647 1031 COG2253 V Predicted nucleotidyltransferase component of viral defense system
41 48 COG2254 V CRISPR/Cas system-associated endonuclease Cas3-HD
1053 1432 COG2258 V F N-hydroxylaminopurine reductase YiiM, contains MOSC domain
1163 2682 COG2274 V ABC-type bacteriocin/lantibiotic exporters, contain an N-terminal double-glycine peptidase domain
395 525 COG2336 V Antitoxin component MazE of the MazEF toxin-antitoxin module
964 1866 COG2337 V mRNA-degrading endonuclease MazF, toxin component of the MazEF toxin-antitoxin module
447 869 COG2361 V HEPN domain protein, predicted toxin of MNT-HEPN system
904 1646 COG2367 V Beta-lactamase class A
240 540 COG2402 V Ribonuclease VapC1, toxin component of the VapBC toxin-antitoxin module, contains PIN domain
333 1199 COG2442 V Predicted antitoxin component of a toxin-antitoxin system, DUF433 family
265 287 COG2602 V Beta-lactamase class D
474 709 COG2720 V Vancomycin resistance protein YoaR (function unknown), contains peptidoglycan-binding and VanW domains
250 285 COG2746 V Aminoglycoside N3'-acetyltransferase
215 272 COG2810 V Predicted type IV restriction endonuclease
390 1134 COG2849 V Antitoxin component YwqK of the YwqJK toxin-antitoxin module
478 538 COG2914 V Putative antitoxin component PasI (RatB) of the RatAB toxin-antitoxin module, ubiquitin-RnfH superfamily
364 754 COG2929 V Ribonuclease BrnT, toxin component of the BrnT-BrnA toxin-antitoxin system
224 266 COG3015 V M Uncharacterized lipoprotein NlpE involved in copper resistance
315 452 COG3041 J V mRNA-degrading endonuclease YafQ (mRNA interferase), toxin component of the YafQ-DinJ toxin-antitoxin module
131 166 COG3059 V Reactive chlorine resistance protein RclC/YkgB, DUF417 family
362 614 COG3077 V Antitoxin component of the RelBE or YafQ-DinJ toxin-antitoxin module
765 1295 COG3093 V Plasmid maintenance system antidote protein VapI/HigA, contains XRE-type HTH domain
213 214 COG3155 V Glyoxalase ElbB, DJ-1 superfamily
303 336 COG3183 V 5-methylcytosine-specific restriction endonuclease McrA
735 837 COG3217 V F N-hydroxylaminopurine reductase subunit YcbX, contains MOSC domain
295 360 COG3236 V H N-glycosidase YbiA/RibX (riboflavin biosynthesis, damage control), NADAR superfamily
47 55 COG3309 V Virulence-associated protein VapD, endoribonuclease
109 120 COG3337 V CRISPR-Cas system type III CMR-effector complex small subunit Cmr5
782 3365 COG3415 V CRISPR-associated protein Csa3, CARF domain
93 99 COG3421 V Type III restriction endonuclease
552 710 COG3440 V Predicted restriction endonuclease
854 1719 COG3467 V Nitroimidazole reductase NimA or a related FMN-containing flavoprotein, pyridoxamine 5'-phosphate oxidase superfamily
141 161 COG3510 V M Rhamnose/hydroxycephalosporin O-methyltransferase, CmcI/Rv2959c family
196 203 COG3512 V CRISPR/Cas system-associated protein Cas2
233 251 COG3513 V CRISPR-Cas system type-II protein Cas9
308 552 COG3514 V Antitoxin component of the BrnT-BrnA toxin-antitoxin system
486 710 COG3549 V Plasmid maintenance system killer protein
215 274 COG3570 V Streptomycin 6-kinase
92 115 COG3582 V CDC48-associated ubiquitin-like protein CUZ1, contains AN1-type Zn-finger (protection from As/Sb toxicity)
297 347 COG3587 V Restriction endonuclease, type III RM system
647 704 COG3634 V Alkyl hydroperoxide reductase subunit AhpF
376 416 COG3649 V CRISPR-Cas system type I effector complex subunit Cas7, RAMP superfamily
278 389 COG3657 V Putative component of the toxin-antitoxin plasmid stabilization module
174 174 COG3725 V Membrane protein AmpE required for beta-lactamase induction
136 210 COG3742 V VapC family ribonuclease, toxin component of the VapBC toxin-antitoxin module, contains PIN domain
368 739 COG3744 V PIN domain nuclease, a component of toxin-antitoxin system (PIN domain)
105 107 COG3811 V Toxin component YjhX of the YjhX-YjhQ toxin-antitoxin system, inhibitor of topoisomerase I, UPF0386/DUF2084 family
438 495 COG3853 V Uncharacterized conserved protein YaaN involved in tellurite resistance
117 143 COG3896 V Chloramphenicol 3-O-phosphotransferase
101 119 COG4006 V CRISPR-Cas system-associated protein Csm6, contains CARF domain
579 781 COG4096 V Type I site-specific restriction endonuclease, part of a restriction-modification system
103 125 COG4110 V Tellurium resistance protein TerA/TerD
376 720 COG4113 A V RNA interferase (RNase) VapC, contains PIN domain
472 684 COG4115 V Toxin component of the Txe-Axe toxin-antitoxin module, Txe/YoeB family
560 1254 COG4118 V Antitoxin component of toxin-antitoxin stability system, DNA-binding transcriptional repressor, Phd/VapB family
130 131 COG4167 V ABC-type antimicrobial peptide export system, ATPase component SapF
122 122 COG4168 V ABC-type antimicrobial peptide export system, permease component SapB
130 130 COG4170 V ABC-type antimicrobial peptide export system, ATPase component SapD
142 142 COG4171 V ABC-type antimicrobial peptide export system, permease component SapC
235 487 COG4200 V Predicted lantabiotic-exporting membrane pepmease, EfiE/EfiG/ABC2 family
612 1207 COG4257 V Streptogramin lyase
341 380 COG4268 V 5-methylcytosine-specific restriction endonuclease McrBC, regulatory subunit McrC
38 46 COG4343 V CRISPR/Cas system-associated exonuclease Cas4, RecB family
85 110 COG4374 V PIN domain nuclease, a component of toxin-antitoxin system (PIN domain)
236 427 COG4403 V Lantibiotic modifying enzyme
124 175 COG4423 V VapB family antitoxin component of VapBC type II toxin-antitoxin module
239 246 COG4452 V Inner membrane protein CreD involved in colicin E2 resistance
200 262 COG4461 V Lysozyme inhibitor LprI
430 615 COG4679 V X Phage-related protein gp49, toxin component of the Tad-Ata toxin-antitoxin system
274 387 COG4680 J V mRNA-degrading endonuclease (mRNA interferase) HigB, toxic component of the HigAB toxin-antitoxin module
145 193 COG4683 V HigB/gp49-like toxin component of RelE/ParE type II toxin-antitoxin system
241 303 COG4691 V Plasmid stability protein StbC1, contains ribbon-helix-helix domain
118 155 COG4734 V Antirestriction protein ArdA
409 718 COG4767 V Glycopeptide antibiotics resistance protein
286 382 COG4823 V Abortive infection bacteriophage resistance protein
283 298 COG4832 V T Cyclopropanoid cyclopropyl hydrolase, GyrI-like domain
286 813 COG4842 V Secreted virulence factor YukE/EsxA, WXG100 family
229 269 COG4845 V Chloramphenicol O-acetyltransferase
167 179 COG4924 V Nuclease subunit JetD of Wadjet anti-plasmid defense system, contains DUF3322 and JetD_C (DUF2220) domains
155 172 COG4951 V CRISPR-associated primase-polymerase type A
634 1103 COG5340 V Abortive phage infection protein AbiEi, antitoxin conponent of an AbiEi-AbiEii TA system
153 254 COG5428 V Predicted antitoxin component YuzE of a toxin-antitoxin system, DUF2283 family
238 264 COG5441 V ATP-binding helicase-inhibiting domain, Tm-1/UPF0261 family
39 124 COG5444 V Predicted ribonuclease, toxin component of the YeeF-YezG toxin-antitoxin module
343 525 COG5499 V Antitoxin component HigA of the HigAB toxin-antitoxin module, contains an N-terminal HTH domain
130 129 COG5503 K V DNA-dependent RNA polymerase auxiliary subunit epsilon
317 412 COG5510 V Entericidin EcnA/EcnB
268 372 COG5551 V CRISPR/Cas system endoribonuclease Cas6, RAMP superfamily
237 342 COG5606 V Antitoxin component of the Tad-Ata toxin-antitoxin system, contains XRE-type HTH domain
325 387 COG5608 V Dessication stress tolerance protein, LEA/WHy domain
377 567 COG5642 V Predicted antitoxin component of a toxin-antitoxin system, contains Xre-type HTH domain
295 421 COG5654 V Predicted toxin component of a toxin-antitoxin system, contains RES domain
337 389 COG5658 V Bacterial immunity/signal transduction membrane protein SdpI, SdpI/YbgB/DUF1648 family
68 81 COG5930 V CRISPR-Cas system type I-D effector complex large subunit Cas10d/Csc3, contains HD superfamily nuclease domain
13 14 COG5931 V CRISPR-Cas system type-V protein Cas12a
90 100 COG5932 V CRISPR-Cas type I-F system-associated endonuclease/helicase Cas3f, fused to Cas2 domain
92 96 COG5933 V CRISPR-Cas system type I-F effector complex subunit Cas5f/Csy2, RAMP superfamily
235 259 COG5934 V CRISPR-Cas system endoribonuclease Cas6e, RAMP superfamily
96 104 COG5935 V CRISPR-Cas system endoribonuclease Cas6f/Csy4, RAMP superfamily
92 98 COG5936 V CRISPR-Cas system type I-F effector complex subunit Cas7f/Csy3, RAMP superfamily
14 14 COG5937 V CRISPR-Cas system type I-A effector complex large subunit Cas8a4
119 129 COG5938 V CRISPR-Cas system type I-B effector complex large subunit Cas8b1
84 91 COG5939 V CRISPR-Cas system type I-B effector complex large subunit Cas8b2
19 19 COG5940 V CRISPR-Cas system type I-B effector complex large subunit Cas8b3
234 246 COG5941 V CRISPR-Cas system type I-C effector complex large subunit Cas8c
225 246 COG5942 V CRISPR-Cas system type I-E effector complex large subunit Cas8e/Cse1
89 92 COG5943 V CRISPR-Cas system type I-F effector complex large subunit Cas8f/Csy1
43 50 COG5944 V CRISPR-Cas system type I-G effector complex large subunit Cas8g1
59 68 COG5945 V CRISPR-Cas system type I-G effector complex subunit Csb1/Cas7u, RAMP superfamily Cas7 group
59 71 COG5946 V CRISPR-Cas system type I-G effector complex subunit Csb5, RAMP superfamily Cas5 group
69 76 COG5947 V CRISPR-Cas system type I-D effector complex subunit Csc1, RAMP superfamily Cas5 group
78 86 COG5948 V CRISPR-Cas system type I-D effector complex subunit Csc2, RAMP superfamily Cas7 group
225 245 COG5949 V CRISPR-Cas system type I-E effector complex small subunit Cse2
140 162 COG5950 V CRISPR-Cas system type II-D effector complex subunit Csx10, RAMP superfamily Cas5 group
9 13 COG5951 V X Anti-CRISPR type II-A1 protein, inhibits CRISPR-Cas type II-A system
2 2 COG5952 V X Anti-CRISPR type II-A2 protein, inhibits CRISPR-Cas type II-A system
14 14 COG5953 V X Anti-CRISPR type II-A6 protein, inhibits CRISPR-Cas type II-A system
4 4 COG5954 V X Anti-CRISPR type II-C2 protein, inhibits CRISPR-Cas type II-A system
13 13 COG5955 V X Anti-CRISPR type II-C1 protein, inhibits CRISPR-Cas type II-A system
1 1 COG5956 V X Anti-CRISPR type V-A1 protein, inhibits CRISPR-Cas12a nuclease
17 23 COG5957 V Cas10-like subunit of HRAMP, derivative of type III CRISPR-Cas system
213 229 COG5959 V PglZ domain-containing phosphodiesterase/nuclease in Type 1,2,5 and 6 BREX phage resistance systems, AlkP superfamily
49 49 COG5960 V PglZ domain-containing component of Type 3 BREX phage resistance system, AlkP superfamily
12 12 COG5966 V PglZ domain-containing component of Type 4 BREX phage resistance system, AlkP superfamily
20 20 COG5967 V PglZ domain-containing component of Type 1B BREX phage resistance system, AlkP superfamily