# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.187105 Bacteria.185195 Proteobacteria.96371 Gammaproteobacteria.443782 - - rhd.1567 rhd:R2APBS1_1573 restriction endonuclease S subunit; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3] OC.187105 Bacteria.185195 Proteobacteria.636317 Epsilonproteobacteria.23528 Sulfurospirillum.4467 - smul.927 smul:SMUL_0932 type I restriction-modification system, specificity subunit S; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3] OC.187105 Bacteria.185195 Firmicutes.41058 Firmicutes___Bacilli.123677 Bacillus.69952 - bbev.3007 bbev:BBEV_3155 hsdS; Type I restriction-modification system, specificity subunit S; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3] OC.187105 Bacteria.185195 Firmicutes.41056 Firmicutes___Clostridia.106601 Clostridium.37702 Clostridium_tetani.2966 ctet.2511 ctet:BN906_02636 restriction endonuclease S subunit; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]