octane
Octanes: Eight-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. octane : A straight chain alkane composed of 8 carbon atoms. | 7.75 | 3 | 0 | alkane | xenobiotic |
nickel
Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2 | 1 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
guanidine
Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 2.03 | 1 | 0 | carboxamidine;
guanidines;
one-carbon compound | |
alanine
Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 7.04 | 1 | 0 | alanine zwitterion;
alanine;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor;
fundamental metabolite |
4-butyrolactone
4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.. tetrahydrofuranone : Any oxolane having an oxo- substituent at any position on the tetrahydrofuran ring.. gamma-butyrolactone : A butan-4-olide that is tetrahydrofuran substituted by an oxo group at position 2. | 2.31 | 1 | 0 | butan-4-olide | metabolite;
neurotoxin |
pyrroles
1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 3.76 | 10 | 0 | pyrrole;
secondary amine | |
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution. | 2.73 | 3 | 0 | cycloalkane;
cyclopentanes;
volatile organic compound | non-polar solvent |
chromium
Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 2 | 1 | 0 | chromium group element atom;
metal allergen | micronutrient |
chlorine
Chlorine: An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. | 2.04 | 1 | 0 | diatomic chlorine;
gas molecular entity | bleaching agent |
1-hexadecyl-2-acetyl-glycero-3-phosphocholine
Platelet Activating Factor: A phospholipid derivative formed by PLATELETS; BASOPHILS; NEUTROPHILS; MONOCYTES; and MACROPHAGES. It is a potent platelet aggregating agent and inducer of systemic anaphylactic symptoms, including HYPOTENSION; THROMBOCYTOPENIA; NEUTROPENIA; and BRONCHOCONSTRICTION.. 2-O-acetyl-1-O-hexadecyl-sn-glycero-3-phosphocholine : A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine betaine which has hexadecyl as the alkyl group. PAF is a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis. | 2 | 1 | 0 | 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine | antihypertensive agent;
beta-adrenergic antagonist;
bronchoconstrictor agent;
hematologic agent;
vasodilator agent |
dehydroalanine
2-ammonioprop-2-enoate : An amino acid zwitterion resulting from a transfer of a proton from the carboxy group to the amino group of 2-aminoacrylic acid.. 2-aminoacrylic acid : A 2,3-dehydroamino acid that is alanine which has been dehydrogenated to introduce a double bond between positions 2 and 3. | 7.04 | 1 | 0 | 2,3-dehydroamino acid;
alpha,beta-unsaturated monocarboxylic acid;
amino acid zwitterion;
enamine;
non-proteinogenic alpha-amino acid | alkylating agent;
human metabolite;
mouse metabolite |
sceptrin
sceptrin: structure given in first source; isolated from marine sponges of the genus Agelas; RN from CHEMLINE | 2.02 | 1 | 0 | pyrroles;
secondary carboxamide | |
mercuric triflate
mercuric triflate: structure in first source | 2.05 | 1 | 0 | | |
oroidin
oroidin: from marine sponges of the genus Agelas; structure in first source | 7.73 | 3 | 0 | pyrroles;
secondary carboxamide | metabolite |
phomactin a
phomactin A: RN given for (3S-(3R*,4S*,6R*,9E,13R*,14S*,16R*))-isomer; isolated from Phoma; structure in first source | 2 | 1 | 0 | | |
kedarcidin chromophore
kedarcidin chromophore: a 9-membered enediyne, isolated from an actinomycete strain; embedded in kedarcidin peptide; extremely active against P388 leukemia & B16 melanoma; structure given in first source | 2.04 | 1 | 0 | | |
manzamine a
manzamine A: RN given refers to (1R-(1R*,9Z,13S*,13aR*,20aR*,21aR*)-isomer; RN for cpd without isomeric designation not avail 12/92. manzamine A : An alkaloid of the class of beta-carbolines isolated from Haliclona and Acanthostrongylophora. It exhibits inhibitory activity against Glycogen Synthase Kinase-3 (EC 2.7.11.26). | 2.31 | 1 | 0 | alkaloid;
beta-carbolines;
isoquinolines | animal metabolite;
anti-HSV-1 agent;
antimalarial;
antineoplastic agent;
EC 2.7.11.26 (tau-protein kinase) inhibitor;
marine metabolite |
dibromophakellstatin
dibromophakellstatin: from the Indian Ocean sponge, Phakellia mauritiana; structure given in first source | 7.07 | 1 | 0 | | |
massadine
massadine: a geranylgeranyltransferase type I inhibitor from the marine sponge Stylissa aff. massa.; structure in first source. massadine : An alkaloid isolated from Stylissa massa. | 7.47 | 2 | 0 | alkaloid;
guanidines;
organobromine compound;
pyrrolecarboxamide | animal metabolite;
EC 2.5.1.59 (protein geranylgeranyltransferase type I) inhibitor;
marine metabolite |
ageliferin
ageliferin: structure in first source | 2.05 | 1 | 0 | | |
dibromophakellin
dibromophakellin: an alpha2B receptor agonist; isolated from Acanthella costata and Pseudoaxinyssa cantharella; structure in first source. (-)-dibromophakellin : An alkaloid isolated from the marine sponge Phakellia flabellata and Acanthella costata. It acts as an alpha2B adrenoceptor agonist. | 7.07 | 1 | 0 | alkaloid;
guanidines;
organobromine compound | alpha-adrenergic agonist;
animal metabolite;
marine metabolite |