{
	"name":"xop02048",
	"children":[
	{
		"name":"CRISPR-Cas system",
		"children":[
		{
			"name":"Universal Cas proteins",
			"children":[
			{
				"name":"PXO_02696 cas; crispr-associated protein Cas1\tK15342 cas1; CRISP-associated protein Cas1"
			},
			{
				"name":"PXO_02695 cas; crispr-associated protein Cas2\tK09951 cas2; CRISPR-associated protein Cas2"
			}
			]
		},
		{
			"name":"Type I CRISPR-Cas system",
			"children":[
			{
				"name":"Type I signiture cas proteins",
				"children":[
				{
					"name":"PXO_02701 cas; crispr-associated helicase Cas3 domain protein\tK07012 cas3; CRISPR-associated endonuclease\/helicase Cas3 [EC:3.1.-.- 5.6.2.4]"
				}
				]
			},
			{
				"name":"Subtype I-A factors",
				"children":[
				{
					"name":"PXO_02697 cas; crispr-associated protein Cas4\tK07464 cas4; CRISPR-associated exonuclease Cas4 [EC:3.1.12.1]"
				}
				]
			},
			{
				"name":"Subtype I-B factors",
				"children":[
				{
					"name":"PXO_02697 cas; crispr-associated protein Cas4\tK07464 cas4; CRISPR-associated exonuclease Cas4 [EC:3.1.12.1]"
				}
				]
			},
			{
				"name":"Subtype I-C factors",
				"children":[
				{
					"name":"PXO_02699 csd; crispr-associated protein, Csd1 family\tK19117 csd1; CRISPR-associated protein Csd1"
				},
				{
					"name":"PXO_02698 csd; crispr-associated protein, Csd2 family\tK19118 csd2; CRISPR-associated protein Csd2"
				},
				{
					"name":"PXO_02697 cas; crispr-associated protein Cas4\tK07464 cas4; CRISPR-associated exonuclease Cas4 [EC:3.1.12.1]"
				},
				{
					"name":"PXO_02700 cas5d; crispr-associated protein Cas5, dvulg subtype\tK19119 cas5d; CRISPR-associated protein Cas5d"
				}
				]
			},
			{
				"name":"Subtype I-D factors",
				"children":[
				{
					"name":"PXO_02697 cas; crispr-associated protein Cas4\tK07464 cas4; CRISPR-associated exonuclease Cas4 [EC:3.1.12.1]"
				}
				]
			},
			{
				"name":"Subtype I-E factors"
			},
			{
				"name":"Subtype I-F factors"
			},
			{
				"name":"Subtype I-U factors"
			}
			]
		},
		{
			"name":"Type II CRISPR-Cas system",
			"children":[
			{
				"name":"Type II signiture cas proteins"
			},
			{
				"name":"Subtype II-A factors"
			},
			{
				"name":"Subtype II-B factors",
				"children":[
				{
					"name":"PXO_02697 cas; crispr-associated protein Cas4\tK07464 cas4; CRISPR-associated exonuclease Cas4 [EC:3.1.12.1]"
				}
				]
			}
			]
		},
		{
			"name":"Type III CRISPR-Cas system",
			"children":[
			{
				"name":"Type III signiture cas proteins"
			},
			{
				"name":"Subtype III-A factors"
			},
			{
				"name":"Subtype III-B factors"
			},
			{
				"name":"Subtype III-U factors"
			}
			]
		}
		]
	},
	{
		"name":"Restriction and modification system (R-M system)",
		"children":[
		{
			"name":"Type I R-M system",
			"children":[
			{
				"name":"PXO_02066 type I restriction enzyme EcoKI R protein\tK01153 hsdR; type I restriction enzyme, R subunit [EC:3.1.21.3]"
			},
			{
				"name":"PXO_02070 type I restriction enzyme EcoAI R protein\tK01153 hsdR; type I restriction enzyme, R subunit [EC:3.1.21.3]"
			},
			{
				"name":"PXO_02063 type I restriction-modification system, S subunit\tK01154 hsdS; type I restriction enzyme, S subunit [EC:3.1.21.3]"
			},
			{
				"name":"PXO_02064 type I restriction enzyme EcoKI M protein\tK03427 hsdM; type I restriction enzyme M protein [EC:2.1.1.72]"
			},
			{
				"name":"PXO_02073 type I restriction enzyme EcoEI M protein\tK03427 hsdM; type I restriction enzyme M protein [EC:2.1.1.72]"
			}
			]
		},
		{
			"name":"Type II R-M system",
			"children":[
			{
				"name":"Restriction endonucleases"
			},
			{
				"name":"DNA methyltransferases",
				"children":[
				{
					"name":"PXO_02466 site-specific DNA methylase\tK06223 dam; DNA adenine methylase [EC:2.1.1.72]"
				},
				{
					"name":"PXO_01365 DNA methylase\tK00571 E2.1.1.72; site-specific DNA-methyltransferase (adenine-specific) [EC:2.1.1.72]"
				},
				{
					"name":"PXO_04735 pliMCI; DNA (cytosine-5)-methyltransferase PliMCI\tK00558 DNMT1; DNA (cytosine-5)-methyltransferase 1 [EC:2.1.1.37]"
				}
				]
			}
			]
		},
		{
			"name":"Type III R-M system",
			"children":[
			{
				"name":"PXO_03955 methyltransferase\tK07316 mod; adenine-specific DNA-methyltransferase [EC:2.1.1.72]"
			}
			]
		},
		{
			"name":"Type IV R-M system"
		}
		]
	},
	{
		"name":"Toxin-antitoxin system (TA system)",
		"children":[
		{
			"name":"Type I TA system",
			"children":[
			{
				"name":"Hok-Sok"
			},
			{
				"name":"SymE-SymR",
				"children":[
				{
					"name":"PXO_01803 hypothetical protein\tK19048 symE; toxic protein SymE"
				},
				{
					"name":"PXO_03337 transposase\tK19048 symE; toxic protein SymE"
				}
				]
			},
			{
				"name":"Ldr-Rdl"
			},
			{
				"name":"TisB-IstR"
			},
			{
				"name":"Ibs-Sib"
			},
			{
				"name":"ShoB-OhsC"
			},
			{
				"name":"RalR-RalA"
			}
			]
		},
		{
			"name":"Type II TA system",
			"children":[
			{
				"name":"MazF-MazE"
			},
			{
				"name":"ChpB-ChpS"
			},
			{
				"name":"YhaV-PrlF"
			},
			{
				"name":"RelE\/StbE-RelB\/StbD"
			},
			{
				"name":"YafQ-dinJ"
			},
			{
				"name":"YoeB-YefM"
			},
			{
				"name":"HipA-HipB",
				"children":[
				{
					"name":"PXO_03586 hipA; HipA\tK07154 hipA; serine\/threonine-protein kinase HipA [EC:2.7.11.1]"
				}
				]
			},
			{
				"name":"HicA-HicB"
			},
			{
				"name":"YafO-YafN"
			},
			{
				"name":"PspC-PspB"
			},
			{
				"name":"CcdB-CcdA"
			},
			{
				"name":"ParE-ParD",
				"children":[
				{
					"name":"PXO_02723 hypothetical protein\tK19092 parE1_3_4; toxin ParE1\/3\/4"
				},
				{
					"name":"PXO_02722 hypothetical protein\tK07746 parD1_3_4; antitoxin ParD1\/3\/4"
				}
				]
			},
			{
				"name":"Doc-Phd",
				"children":[
				{
					"name":"PXO_02086 death-on-curing protein\tK07341 doc; death on curing protein"
				}
				]
			},
			{
				"name":"HigB-HigA",
				"children":[
				{
					"name":"PXO_03904 plasmid maintenance system killer protein\tK07334 higB-1; toxin HigB-1"
				},
				{
					"name":"PXO_03903 higA; addiction module antidote protein, HigA family\tK21498 higA-1; antitoxin HigA-1"
				}
				]
			},
			{
				"name":"MqsR-MqsA"
			},
			{
				"name":"VapC-VapB"
			},
			{
				"name":"PezT-PezA"
			},
			{
				"name":"YobL-YobK"
			},
			{
				"name":"YokI-YokJ"
			},
			{
				"name":"YqcG-YqcF"
			},
			{
				"name":"YxiD-YxxD"
			},
			{
				"name":"FitB-FitA"
			},
			{
				"name":"BC_0920-BC_0921"
			},
			{
				"name":"SpoIISA-SpoIISB"
			},
			{
				"name":"Tse6-Tsi6"
			},
			{
				"name":"Type II TA system related factors",
				"children":[
				{
					"name":"PXO_04362 ftsZ; cell division protein FtsZ\tK03531 ftsZ; cell division protein FtsZ"
				},
				{
					"name":"PXO_04262 rod shape-determining protein\tK03569 mreB; rod shape-determining protein MreB and related proteins"
				},
				{
					"name":"PXO_01152 parC; DNA topoisomerase IV, A subunit\tK02621 parC; topoisomerase IV subunit A [EC:5.6.2.2]"
				},
				{
					"name":"PXO_00177 parE; DNA topoisomerase IV, B subunit\tK02622 parE; topoisomerase IV subunit B [EC:5.6.2.2]"
				},
				{
					"name":"PXO_04820 gltX; glutamyl-tRNA synthetase\tK01885 EARS; glutamyl-tRNA synthetase [EC:6.1.1.17]"
				}
				]
			}
			]
		},
		{
			"name":"Type III TA system",
			"children":[
			{
				"name":"AbiQ system"
			}
			]
		},
		{
			"name":"Type IV TA system",
			"children":[
			{
				"name":"YeeV-YeeU"
			},
			{
				"name":"CptA-CptB",
				"children":[
				{
					"name":"PXO_00598 putative membrane protein\tK19168 cptA; toxin CptA"
				},
				{
					"name":"PXO_00599 TPR repeat region superfamily\tK09159 cptB; antitoxin CptB"
				}
				]
			},
			{
				"name":"AbiEii-AbiEi"
			}
			]
		},
		{
			"name":"Type V TA system",
			"children":[
			{
				"name":"GhoT-GhoS"
			},
			{
				"name":"Other GhoT\/OrtT toxin family protein"
			}
			]
		},
		{
			"name":"Type VI TA system",
			"children":[
			{
				"name":"SocB-SocA"
			}
			]
		},
		{
			"name":"Type VII TA system",
			"children":[
			{
				"name":"Hha-TomB"
			},
			{
				"name":"TglT-TakA"
			},
			{
				"name":"HepT-MntA"
			}
			]
		},
		{
			"name":"Type VIII TA system",
			"children":[
			{
				"name":"SdsR-RyeA"
			}
			]
		}
		]
	},
	{
		"name":"DNA phosphothiolation system",
		"children":[
		{
			"name":"Sulfur modification proteins"
		},
		{
			"name":"DNA phosphorothioation-dependent restriction proteins"
		}
		]
	}
	]
}
