COG cluster associated with parent COG general functional cagegory: Defense mechanisms
COG ID
Link to COG
Functional Description Protein Count
Link to
protein list

COG1136 SalX ABC-type antimicrobial peptide transport system, ATPase component [Defense mechanisms] 1324
COG2274 SunT ABC-type bacteriocin/lantibiotic exporters, contain an N-terminal double-glycine peptidase domain [Defense mechanisms] 953
COG1131 CcmA ABC-type multidrug transport system, ATPase component [Defense mechanisms] 754
COG1132 MdlB ABC-type multidrug transport system, ATPase and permease components [Defense mechanisms] 679
COG4257 Vgb Streptogramin lyase [Defense mechanisms] 503
COG4096 HsdR Type I site-specific restriction-modification system, R (restriction) subunit and related helicases [Defense mechanisms] 426
COG1203 CRISPR-associated helicase Cas3 [Defense mechanisms] 409
COG4167 SapF ABC-type antimicrobial peptide transport system, ATPase component [Defense mechanisms] 370
COG0610 Type I site-specific restriction-modification system, R (restriction) subunit and related helicases [Defense mechanisms] 349
COG3587 Restriction endonuclease [Defense mechanisms] 300
COG4170 SapD ABC-type antimicrobial peptide transport system, ATPase component [Defense mechanisms] 272
COG0286 HsdM Type I restriction-modification system methyltransferase subunit [Defense mechanisms] 246
COG0534 NorM Na+-driven multidrug efflux pump [Defense mechanisms] 233
COG3510 CmcI Cephalosporin hydroxylase [Defense mechanisms] 116
COG0842 ABC-type multidrug transport system, permease component [Defense mechanisms] 61
COG3896 Chloramphenicol 3-O-phosphotransferase [Defense mechanisms] 56
COG5608 LEA14-like dessication related protein [Defense mechanisms] 53
COG4403 LcnDR2 Lantibiotic modifying enzyme [Defense mechanisms] 38
COG1566 EmrA Multidrug resistance efflux pump [Defense mechanisms] 23
COG0841 AcrB Cation/multidrug efflux pump [Defense mechanisms] 21
COG4845 Chloramphenicol O-acetyltransferase [Defense mechanisms] 20
COG3440 Predicted restriction endonuclease [Defense mechanisms] 15
COG1680 AmpC Beta-lactamase class C and other penicillin binding proteins [Defense mechanisms] 14
COG3570 StrB Streptomycin 6-kinase [Defense mechanisms] 9
COG1403 McrA Restriction endonuclease [Defense mechanisms] 8
COG3513 Predicted CRISPR-associated nuclease, contains McrA/HNH-nuclease and RuvC-like nuclease domain [Defense mechanisms] 6
COG3183 Predicted restriction endonuclease [Defense mechanisms] 4
COG1468 CRISPR-associated protein Cas4 (RecB family exonuclease) [Defense mechanisms] 2
COG4343 CRISPR-associated protein, RecB family exonuclease [Defense mechanisms] 1