A cyclic compound containing nine or more atoms as part of the cyclic system.
Member | Definition | Role |
cembrene a | A fourteen-membered macrocyclic diterpene consisting of 1,5,9-trimethyl-12-(prop-1-en-2-yl)cyclotetradecane having three endocyclic double bonds located at positions 1, 5 and 9. | (R)-cembrene A |
chaetoglobosin A | A cytochalasan alkaloid isolated from Chaetomium globosum and Calonectria morganii. | chaetoglobosin A |
civetone | A macrocycle that is cycloheptadecanone with an unsaturation at position 9 (the 9Z-stereoisomer). It has been found in African Civets. | civetone |
cyclo-tetra-glucose | A cyclic tetrasaccharide constructed from four alpha-glucopyranosyl residues joined by alternate alpha-(1->6)- and alpha-(1->3)-linkages. | 6)-alpha-nigerosyl.html>cyclobis-(1->6)-alpha-nigerosyl |
cytotrienin a | A 21-membered macrocyclic lactam which contains three conjugated double bonds as part of the ring system. It acts as an apoptosis inducer in human leukemia HL-60 cells and is isolated from Streptomyces sp. | cytotrienin A |
deferrioxamine e | A cyclic hydroxamic acid siderophore that is produced by several bacterial species and exhibits antitumour activity. | desferrioxamine E |
duramycin | A 19-membered heterodetic cyclic peptide that is isolated from Streptoverticillium cinnamoneus. It exhibits antiproliferative properties and induces apoptosis in tumour cells and has been used for treatment of cystic fibrosis. | lancovutide |
epidermin | A type A lantibiotic that is a tetracyclic 21-amino-acid peptide which contains meso-lanthionine, 3-methyllanthionine, and S-(2-aminovinyl)-D-cysteine. It is obtained from Staphylococcus epidermidis Tue 3298 and exhibits antibiotic activity against many Gram-positive bacteria. | epidermin |
eptifibatide | A synthetic homodetic cyclic peptide comprising N(alpha)-(3-sulfanylpropanoyl)homoarginyl, glycyl, aspartyl, tryptophyl, prolyl and cysteinamide residues connected in sequence and cyclised via a disulfide bond. Derived from a protein found in the venom of the southeastern pygmy rattlesnake, Sistrurus miliarus barbouri, eptifibatide is an anti-coagulant that inhibits platelet aggregation by selectively blocking the platelet glycoprotein IIb/IIIa receptor, so preventing the binding of fibrinogen, von Willebrand factor, and other adhesive ligands. It is used in the management of unstable angina and in patients undergoing coronary angioplasty and stenting procedures. | eptifibatide |
er-086526 | A fully synthetic macrocyclic ketone analogue of marine sponge natural products. Inhibits growth phase of microtubules via tubulin-based antimitotic mechanism, which leads to G2/M cell-cycle block, disruption of mitotic spindles, and, ultimately, apoptotic cell death after prolonged mitotic blockage | eribulin |
fangchinoline | A bisbenzylisoquinoline alkaloid that is (1beta)- berbaman which has been substituted by methyl groups at the 2 and 2' positions, by methoxy groups at the 6, 6', and 12 positions, and by a hydroxy group at position 7. Isolated from Stephania tetrandra, it has been found to possess neuroprotective and anti-tumour activity. | fangchinoline |
grassypeptolide | A 31-membered macrocyclic cyclodepsipeptide isolated from the cyanobacterium Lyngbya confervoides and has been shown to exhibit antineoplastic activity. | grassypeptolide |
herbimycin | A 19-membered macrocyle incorporating a benzoquinone ring and a lactam functionality. It is an ansamycin antibiotic that induces apoptosis and displays antitumour effects. | herbimycin |
ixabepilone | A macrocycle that is a lactam analogue of epothilone B. Binds directly to beta-tubulin subunits on microtubules, leading to suppression of microtubule dynamics. | ixabepilone |
lanthiopeptin | A type B lantibiotic consisting of a 19 amino acid tetracyclic polypeptide produced by Streptomyces cinnamoneus. | cinnamycin |
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). | lugdunin |
ly-146032 | A polypeptide comprising N-decanoyltryptophan, asparagine, aspartic acid, threonine, glycine, ornithine, aspartic acid, D-alanine, aspartic acid, glycine, D-serine, threo-3-methylglutamic acid and 3-anthraniloylalanine (also known as kynurinine) coupled in sequence and lactonised by condensation of the carboxylic acid group of the 3-anthraniloylalanine with the alcohol group of the threonine residue. | daptomycin |
marineosin a | A macrocycle isolated from a marine sediment-derived actinomycete, Streptomyces sp. It exhibits cytotoxicity against colon tumour cell lines. | marineosin A |
marineosin b | A macrocycle isolated from a marine sediment-derived actinomycete, Streptomyces sp. A stereoisomer of marineosin A, it exhibits cytotoxicity against colon tumour cell lines. | marineosin B |
muromonab-cd3 | An organic heteropentacyclic compound that is isolated from the marine sponge Xestospongia exigua. | xestospongin C |
oxyacanthine | A macrocycle that is oxyacanthan that is substituted by methoxy groups at positions 6, 6', and 7, methyl groups at positions 2 and 2', and a hydroxy group at the 12' position. | oxyacanthine |
rifamycin sv | A member of the class of rifamycins that exhibits antibiotic and antitubercular properties. | rifamycin SV |
rifaximin | A semisynthetic member of the class of rifamycins and non-systemic gastrointestinal site-specific broad spectrum antibiotic. Used in the treatment of traveller's diarrhoea, hepatic encephalopathy and irritable bowel syndrome. | rifaximin |
ristocetin | A heterodetic cyclic peptide that is produced by species of Amycolatopsis and Nocardia. | ristocetin |
teixobactin | A cyclodepsipeptide that is isolated from the previously unculturable bacterial species Eleftheria terrae and is active against gram-positive bacteria. | teixobactin |
tmc-95a | A 17-membered macrocyclic lactam that incorporates a phenol and a substituted indole moiety. It includes a R-hydroxy group at position 11 and a (3-methyl-2-oxopentanoyl)amino group at position at position 18 with a S-methyl group. It acts as a proteasome inhibitor and is obtained from Apiospora montagnei Sacc. TC 1093, isolated from a soil sample. | TMC-95A |
tmc-95b | A 17-membered macrocyclic lactam that incorporates a phenol and a substituted indole moiety. A stereoisomer of TMC-95A, it has a [(3R)-3-methyl-2-oxopentanoyl]amino group at position 18. It acts as a proteasome inhibitor and is isolated from Apiospora montagnei Sacc. TC 1093, isolated from a soil sample. | TMC-95B |
tyrocidine | A homodetic cyclic decapeptide consisting of D-Phe, L-Pro, L-Phe, D-Phe, L-Asn, L-Gln, L-Tyr, L-Val, L-Orn, and L-Leu residues coupled in sequence and cyclised head-to-tail. | tyrocidine A |
ustiloxin b | A heterodetic cyclic peptide with formula C26H39N5O12S produced by Ustilaginoidea virens fungi. It is an inhibitor of microtubule assembly. | ustiloxin B |
valinomycin | A twelve-membered cyclodepsipeptide composed of three repeating D-alpha-hydroxyisovaleryl-D-valyl-L-lactoyl-L-valyl units joined in sequence. An antibiotic found in several Streptomyces strains. | valinomycin |
vinylamycin | A 15-membered cyclodepsipeptide isolated from Streptomyces sp.M1982-63F1. It exhibits moderate activity against Gram-positive bacteria. | vinylamycin |