| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Isop_1473 | queF | Isop_1473 | Isop_1472 | Protein of unknown function DUF62; COGs: COG1912 conserved hypothetical protein; InterPro IPR002747; KEGG: psl:Psta_4032 protein of unknown function DUF62; PFAM: protein of unknown function DUF62; SPTR: Putative uncharacterized protein; PFAM: S-adenosyl-l-methionine hydroxide adenosyltransferase. | 7-cyano-7-deazaguanine reductase; Catalyzes the NADPH-dependent reduction of 7-cyano-7- deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1). Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily. | 0.536 |
| Isop_2655 | Isop_3456 | Isop_2655 | Isop_3456 | COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: plm:Plim_2408 hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase. | preQ(0) biosynthesis protein QueD; COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: psl:Psta_4202 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase; TIGRFAM: queuosine biosynthesis protein QueD; 6-pyruvoyl tetrahydropterin synthase/QueD family protein. | 0.900 |
| Isop_2655 | queC | Isop_2655 | Isop_1692 | COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: plm:Plim_2408 hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase. | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | 0.747 |
| Isop_2655 | queE | Isop_2655 | Isop_3721 | COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: plm:Plim_2408 hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase. | Radical SAM domain protein; Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7- deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds. | 0.972 |
| Isop_2655 | queF | Isop_2655 | Isop_1472 | COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: plm:Plim_2408 hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase. | 7-cyano-7-deazaguanine reductase; Catalyzes the NADPH-dependent reduction of 7-cyano-7- deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1). Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily. | 0.686 |
| Isop_3456 | Isop_2655 | Isop_3456 | Isop_2655 | preQ(0) biosynthesis protein QueD; COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: psl:Psta_4202 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase; TIGRFAM: queuosine biosynthesis protein QueD; 6-pyruvoyl tetrahydropterin synthase/QueD family protein. | COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: plm:Plim_2408 hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase. | 0.900 |
| Isop_3456 | queC | Isop_3456 | Isop_1692 | preQ(0) biosynthesis protein QueD; COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: psl:Psta_4202 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase; TIGRFAM: queuosine biosynthesis protein QueD; 6-pyruvoyl tetrahydropterin synthase/QueD family protein. | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | 0.855 |
| Isop_3456 | queE | Isop_3456 | Isop_3721 | preQ(0) biosynthesis protein QueD; COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: psl:Psta_4202 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase; TIGRFAM: queuosine biosynthesis protein QueD; 6-pyruvoyl tetrahydropterin synthase/QueD family protein. | Radical SAM domain protein; Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7- deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds. | 0.986 |
| Isop_3456 | queF | Isop_3456 | Isop_1472 | preQ(0) biosynthesis protein QueD; COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: psl:Psta_4202 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase; TIGRFAM: queuosine biosynthesis protein QueD; 6-pyruvoyl tetrahydropterin synthase/QueD family protein. | 7-cyano-7-deazaguanine reductase; Catalyzes the NADPH-dependent reduction of 7-cyano-7- deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1). Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily. | 0.763 |
| guaA | queC | Isop_2864 | Isop_1692 | GMP synthase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | 0.417 |
| guaA | queE | Isop_2864 | Isop_3721 | GMP synthase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. | Radical SAM domain protein; Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7- deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds. | 0.544 |
| guaA | queF | Isop_2864 | Isop_1472 | GMP synthase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. | 7-cyano-7-deazaguanine reductase; Catalyzes the NADPH-dependent reduction of 7-cyano-7- deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1). Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily. | 0.501 |
| guaA | ribA | Isop_2864 | Isop_1891 | GMP synthase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. | GTP cyclohydrolase II; Catalyzes the conversion of GTP to 2,5-diamino-6- ribosylamino-4(3H)-pyrimidinone 5'-phosphate (DARP), formate and pyrophosphate; Belongs to the GTP cyclohydrolase II family. In the N-terminal section; belongs to the DHBP synthase family. | 0.634 |
| queA | queF | Isop_3324 | Isop_1472 | S-adenosylmethionine/tRNA-ribosyltransferase-iso merase; Transfers and isomerizes the ribose moiety from AdoMet to the 7-aminomethyl group of 7-deazaguanine (preQ1-tRNA) to give epoxyqueuosine (oQ-tRNA). | 7-cyano-7-deazaguanine reductase; Catalyzes the NADPH-dependent reduction of 7-cyano-7- deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1). Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily. | 0.439 |
| queA | tgt | Isop_3324 | Isop_1657 | S-adenosylmethionine/tRNA-ribosyltransferase-iso merase; Transfers and isomerizes the ribose moiety from AdoMet to the 7-aminomethyl group of 7-deazaguanine (preQ1-tRNA) to give epoxyqueuosine (oQ-tRNA). | tRNA-guanine transglycosylase; Catalyzes the base-exchange of a guanine (G) residue with the queuine precursor 7-aminomethyl-7-deazaguanine (PreQ1) at position 34 (anticodon wobble position) in tRNAs with GU(N) anticodons (tRNA-Asp, - Asn, -His and -Tyr). Catalysis occurs through a double-displacement mechanism. The nucleophile active site attacks the C1' of nucleotide 34 to detach the guanine base from the RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor active site deprotonates the incoming PreQ1, allowing a nucleophilic attack on the C1' of the ribose to form the [...] | 0.979 |
| queC | Isop_2655 | Isop_1692 | Isop_2655 | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: plm:Plim_2408 hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase. | 0.747 |
| queC | Isop_3456 | Isop_1692 | Isop_3456 | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | preQ(0) biosynthesis protein QueD; COGs: COG0720 6-pyruvoyl-tetrahydropterin synthase; InterPro IPR007115; KEGG: psl:Psta_4202 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; PFAM: 6-pyruvoyl tetrahydropterin synthase and hypothetical protein; SPTR: Putative uncharacterized protein; PFAM: 6-pyruvoyl tetrahydropterin synthase; TIGRFAM: queuosine biosynthesis protein QueD; 6-pyruvoyl tetrahydropterin synthase/QueD family protein. | 0.855 |
| queC | guaA | Isop_1692 | Isop_2864 | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | GMP synthase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. | 0.417 |
| queC | queE | Isop_1692 | Isop_3721 | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | Radical SAM domain protein; Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7- deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds. | 0.992 |
| queC | queF | Isop_1692 | Isop_1472 | preQ(0) biosynthesis protein QueC; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | 7-cyano-7-deazaguanine reductase; Catalyzes the NADPH-dependent reduction of 7-cyano-7- deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1). Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily. | 0.987 |