| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| MCA2476 | guaA | MCA2476 | MCA0290 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.576 |
| MCA2476 | queF | MCA2476 | MCA2441 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | Conserved hypothetical protein; 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. | 0.475 |
| MCA2476 | ribBA | MCA2476 | MCA1656 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.941 |
| MCA2476 | ribD | MCA2476 | MCA1658 | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 0.992 |
| MCA2527 | guaA | MCA2527 | MCA0290 | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.481 |
| MCA2527 | queC | MCA2527 | MCA1233 | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | exsB protein; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | 0.947 |
| MCA2527 | queE | MCA2527 | MCA1232 | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | Radical activating enzyme family 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. | 0.993 |
| MCA2527 | queF | MCA2527 | MCA2441 | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | Conserved hypothetical protein; 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. | 0.861 |
| MCA2527 | tgt | MCA2527 | MCA0681 | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | Queuine tRNA-ribosyltransferase; 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 t [...] | 0.412 |
| guaA | MCA2476 | MCA0290 | MCA2476 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | Riboflavin-specific deaminase/GTP cyclohydrolase II; Matches only weakly to riboflavin-specific deaminase in the N terminal end of the protein; identified by match to protein family HMM PF00925. | 0.576 |
| guaA | MCA2527 | MCA0290 | MCA2527 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | 0.481 |
| guaA | queE | MCA0290 | MCA1232 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | Radical activating enzyme family 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. | 0.535 |
| guaA | queF | MCA0290 | MCA2441 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | Conserved hypothetical protein; 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. | 0.544 |
| guaA | ribBA | MCA0290 | MCA1656 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; Belongs to the DHBP synthase family. | 0.629 |
| guaA | ribD | MCA0290 | MCA1658 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 0.563 |
| guaA | tgt | MCA0290 | MCA0681 | GMP synthase; Catalyzes the synthesis of GMP from XMP. | Queuine tRNA-ribosyltransferase; 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 t [...] | 0.682 |
| queA | queC | MCA0688 | MCA1233 | S-adenosylmethionine:tRNA ribosyltransferase-isomerase; Transfers and isomerizes the ribose moiety from AdoMet to the 7-aminomethyl group of 7-deazaguanine (preQ1-tRNA) to give epoxyqueuosine (oQ-tRNA). | exsB protein; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | 0.476 |
| queA | queF | MCA0688 | MCA2441 | S-adenosylmethionine:tRNA ribosyltransferase-isomerase; Transfers and isomerizes the ribose moiety from AdoMet to the 7-aminomethyl group of 7-deazaguanine (preQ1-tRNA) to give epoxyqueuosine (oQ-tRNA). | Conserved hypothetical protein; 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. | 0.559 |
| queA | tgt | MCA0688 | MCA0681 | S-adenosylmethionine:tRNA ribosyltransferase-isomerase; Transfers and isomerizes the ribose moiety from AdoMet to the 7-aminomethyl group of 7-deazaguanine (preQ1-tRNA) to give epoxyqueuosine (oQ-tRNA). | Queuine tRNA-ribosyltransferase; 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 t [...] | 0.994 |
| queC | MCA2527 | MCA1233 | MCA2527 | exsB protein; Catalyzes the ATP-dependent conversion of 7-carboxy-7- deazaguanine (CDG) to 7-cyano-7-deazaguanine (preQ(0)). Belongs to the QueC family. | Putative 6-pyruvoyl tetrahydropterin synthase; Identified by similarity to SP:Q46903; match to protein family HMM PF01242. | 0.947 |