Substance | Relationship Strength | Studies | Trials | Classes | Roles |
adenine [no description available] | 1.98 | 1 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
cytosine [no description available] | 1.96 | 1 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
thymine [no description available] | 6 | 36 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
o(6)-benzylguanine O(6)-benzylguanine: a suicide inhibitor of O(6)-methylguanine-DNA methyltransferase activity | 2.69 | 3 | 0 | | |
phenobarbital Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 1.97 | 1 | 0 | barbiturates | anticonvulsant; drug allergen; excitatory amino acid antagonist; sedative |
2-acetylaminofluorene 2-Acetylaminofluorene: A hepatic carcinogen whose mechanism of activation involves N-hydroxylation to the aryl hydroxamic acid followed by enzymatic sulfonation to sulfoxyfluorenylacetamide. It is used to study the carcinogenicity and mutagenicity of aromatic amines. | 1.97 | 1 | 0 | 2-acetamidofluorenes | antimitotic; carcinogenic agent; epitope; mutagen |
dimethylnitrosamine Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 1.97 | 1 | 0 | nitrosamine | geroprotector; mutagen |
2-aminopurine 2-Aminopurine: A purine that is an isomer of ADENINE (6-aminopurine).. aminopurine : Any purine having at least one amino substituent.. 2-aminopurine : The parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. | 1.98 | 1 | 0 | 2-aminopurines; nucleobase analogue | antimetabolite |
2,6-diaminopurine 9H-purine-2,6-diamine : A member of the class of 2,6-diaminopurines that is 9H-purine in which the hydrogens at positions 2 and 6 are replaced by amino groups. | 1.98 | 1 | 0 | 2,6-diaminopurines; primary amino compound | antineoplastic agent |
thymidine 5'-triphosphate thymidine 5'-triphosphate: RN given refers to parent cpd. dTTP : A thymidine phosphate having a triphosphate group at the 5'-position. | 1.96 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside 5'-triphosphate; thymidine phosphate | Escherichia coli metabolite; mouse metabolite |
o-(6)-methylguanine O-(6)-methylguanine: structure. 6-O-methylguanine : A methylguanine in which the methyl group is positioned on the oxygen at position 6. Formed in DNA by alkylation of the oxygen atom of guanine, most often by N-nitroso compounds and sometimes due to methylation by other compounds such as endogenous S-adenosylmethionine, it base-pairs to thymine rather than cytidine, causing a G:C to A:T transition in DNA.. methylguanine : A 2-aminopurine that is guanine bearing a single methyl substituent. | 5.56 | 23 | 0 | methylguanine | mutagen |
6-ethylguanine 6-ethylguanine: found in rat brain DNA | 2.89 | 4 | 0 | | |
6'-o-methylguanosine [no description available] | 1.98 | 1 | 0 | | |
4-(methylnitrosoamino)-4-(3-pyridyl)-1-butanol 4-(methylnitrosoamino)-4-(3-pyridyl)-1-butanol: tobacco-specific N-nitrosamine; structure given in first source | 1.97 | 1 | 0 | | |
4-ethylthymine [no description available] | 3.08 | 5 | 0 | | |
o(4)-methylthymidine triphosphate [no description available] | 1.96 | 1 | 0 | | |
4-amino-2-methoxypyrimidine 4-amino-2-methoxypyrimidine: recognized by E. coli DNA repair enzymes; shown to exhibit strong miscoding properties. 2-O-methylcytosine : Pyrimidine substituted with a methoxy group at position C-2 and an amine group at C-4. | 1.96 | 1 | 0 | aminopyrimidine; aromatic ether; methylcytosine | metabolite |
oligonucleotides [no description available] | 7.4 | 2 | 0 | | |
deoxyguanosine triphosphate [no description available] | 1.98 | 1 | 0 | deoxyguanosine phosphate; guanyl deoxyribonucleotide; purine 2'-deoxyribonucleoside 5'-triphosphate | Arabidopsis thaliana metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
guanine [no description available] | 5.64 | 25 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 1.98 | 1 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
7-methylguanine 7-methylguanine: RN given refers to unlabeled cpd; structure. 7-methylguanine : A methylguanine that is guanine substituted by a methyl group at position 7. It is a metabolite obtained during the methylation of DNA.. 2-imino-7-methyl-1,2,3,7-tetrahydro-6H-purin-6-one : A 7-methylguanine that is 1,2,3,7-tetrahydro-6H-purin-6-one substituted by an imino group at position 2 and a methyl group at position 7.. 2-amino-7-methyl-7H-purin-6-ol : A 7-methylguanine that is 7H-purine substituted by an amino group at position 2, a methyl group at position 7 and a hydroxy group at position 6.. 2-amino-7-methyl-1,7-dihydro-6H-purin-6-one : A 7-methylguanine that is 1,7-dihydro-6H-purin-6-one substituted by an amino group at position 2 and a methyl group at position 7. | 2.17 | 1 | 0 | 7-methylguanine | |
methylnitronitrosoguanidine Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 2.69 | 3 | 0 | nitroso compound | alkylating agent |
phosphorus radioisotopes Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 2.38 | 2 | 0 | | |