Substance | Relationship Strength | Studies | Trials | Classes | Roles |
deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 2.31 | 1 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
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. | 2.05 | 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 |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.05 | 1 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
oxazoles Oxazoles: Five-membered heterocyclic ring structures containing an oxygen in the 1-position and a nitrogen in the 3-position, in distinction from ISOXAZOLES where they are at the 1,2 positions.. 1,3-oxazole : A five-membered monocyclic heteroarene that is an analogue of cyclopentadiene with O in place of CH2 at position 1 and N in place of CH at position 3.. oxazole : An azole based on a five-membered heterocyclic aromatic skeleton containing one N and one O atom. | 2.21 | 1 | 0 | 1,3-oxazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazoles [no description available] | 4.34 | 5 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
thiazolidines Thiazolidines: Reduced (protonated) form of THIAZOLES. They can be oxidized to THIAZOLIDINEDIONES. | 2.21 | 1 | 0 | thiazolidine | |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 2.05 | 1 | 0 | cysteinium | fundamental metabolite |
halichondrin b halichondrin B: from marine sponge Halichondria okadai; binds in the Vinca domain of tubulin | 2.21 | 1 | 0 | furopyran | |
nosiheptide nosiheptide: from Streptomyces actuosus; structure | 2.07 | 1 | 0 | polyol | |
gramicidin a Gramicidin: A group of peptide antibiotics from BACILLUS brevis. Gramicidin C or S is a cyclic, ten-amino acid polypeptide and gramicidins A, B, D are linear. Gramicidin is one of the two principal components of TYROTHRICIN. | 2.21 | 1 | 0 | | |
ziconotide ziconotide: amino acid sequence in first source; from venom of South Pacific sea cone snail, Conus magus; calcium channel blocker; administered by injection into Cerebrospinal Fluid; Prialt is synthetic form. omega-conotoxin MVIIA : A heterodetic cyclic polypeptide consisting of the linear sequence Cys-Lys-Gly-Lys-Gly-Ala-Lys-Cys-Ser-Arg-Leu-Met-Tyr-Asp-Cys-Cys-Thr-Gly-Ser-Cys-Arg-Ser-Gly-Lys-Cys-NH2 with three disulfide bridges between cysteine residues 1-16, 8-20 and 15-25. A neuronal N-type Ca(2+) channel blocker in mammalian and amphibian brain, it blocks release of GABA and glutamate at neuronal synapses. Used as a probe for calcium channel receptors, it is selective for different receptor subtypes. A synthetic form, named ziconotide, is an atypical analgesic agent for the amelioration of severe and chronic pain. | 2.21 | 1 | 0 | | |
thiostrepton Thiostrepton: One of the CYCLIC PEPTIDES from Streptomyces that is active against gram-positive bacteria. In veterinary medicine, it has been used in mastitis caused by gram-negative organisms and in dermatologic disorders.. thiostrepton : A heterodetic cyclic peptide, in which the cyclisation step involves a formal lactonisation between the carboxy group of a quinaldic acid-based residue and a secondary alcohol. An antibiotic that inhibits bacterial protein synthesis. Also acts as an antitumor agent. | 2.46 | 2 | 0 | | |
largazole largazole: an antiproliferative agent from Symploca; structure in first source | 2.21 | 1 | 0 | | |
berninamycin a berninamycin A: structure for berninamycin A | 2.08 | 1 | 0 | | |
thiomuracin a thiomuracin A: isolated from Nonomurae; structure in first source | 3.73 | 2 | 0 | | |
laspartomycin c laspartomycin C: an acidic lipopeptide antibiotic with a unique peptide core; structure in first source | 2.21 | 1 | 0 | | |
daptomycin [no description available] | 2.21 | 1 | 0 | | |
sporangiomycin sporangiomycin: sulfur containing peptide from Planomonospora parontospors; related to thiostrepton group of antibiotics | 2.05 | 1 | 0 | | |
lugdunin lugdunin: antibiotic from Staphylococcus lugdunensis. lugdunin : A thiazolidine-containing homodetic cyclic peptide that is isolated from human nasal bacteria. Exhibits bactericidal activity against many major pathogens including methicillin-resistant Staphylococcus aureus (MRSA). | 2.21 | 1 | 0 | homodetic cyclic peptide; indoles; macrocycle; peptide antibiotic; thiazolidines | human metabolite; rat metabolite |
cyclosporine Cyclosporine: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). | 2.21 | 1 | 0 | | |