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{{short description|Group of chemical compounds}}
{{chembox
{{Chembox
| verifiedrevid = 400341109
| Watchedfields = changed
| verifiedrevid = 432936619
| Name = Oligomycin A | Name = Oligomycin A
| ImageFile = Oligomycin.png | ImageFile = Oligomycin A.png
| IUPACName = (1''R'',4''E'',5<nowiki>'</nowiki>''S'',6''S'',6<nowiki>'</nowiki>''S'',7''R'',8''S'',10''R'',11''R'',12''S'',14''R'',15''S'',16''R'',18''E'',20''E'',22''R'',25''S'',27''R'',28''S'',29''R'')-22-ethyl-7,11,14,15-tetrahydroxy-6'--5',6,8,10,12,14,16,28,29-nonamethyl-3',4',5',6'-tetrahydro-3''H'',9''H'',13''H''-spirononacosa-4,18,20-triene-27,2'-pyran]-3,9,13-trione | IUPACName = (1''R'',4''E'',5<nowiki>'</nowiki>''S'',6''S'',6<nowiki>'</nowiki>''S'',7''R'',8''S'',10''R'',11''R'',12''S'',14''R'',15''S'',16''R'',18''E'',20''E'',22''R'',25''S'',27''R'',28''S'',29''R'')-22-ethyl-7,11,14,15-tetrahydroxy-6'--5',6,8,10,12,14,16,28,29-nonamethyl-3',4',5',6'-tetrahydro-3''H'',9''H'',13''H''-spirononacosa-4,18,20-triene-27,2'-pyran]-3,9,13-trione
| IUPACName_hidden = yes
| OtherNames = Oligomycin | OtherNames = Oligomycin
|Section1={{Chembox Identifiers
|C=45|H=74|O=11
| Section1 = {{Chembox Identifiers
| Abbreviations = | Abbreviations =
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
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| StdInChIKey = QBAMBSAJEFIQBK-GJHUHQBXSA-N | StdInChIKey = QBAMBSAJEFIQBK-GJHUHQBXSA-N
| InChIKey1 = QBAMBSAJEFIQBK-GJHUHQBXSA-N | InChIKey1 = QBAMBSAJEFIQBK-GJHUHQBXSA-N
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 1404-19-9 | CASNo = 1404-19-9
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 14JVM0OHLV
| EINECS = 215-767-9 | EINECS = 215-767-9
| PubChem = 6450197 | PubChem = 6450197
| SMILES = C(C)(O)C1O2(CC1C)O3CC(CC)/C=C\C=C\C(C)(O)(C)(O)C(=O)(C)(O)(C)C(=O)(C)(O)(C)/C=C/C(=O)O(2C)3C | SMILES = C(C)(O)C1O2(CC1C)O3CC(CC)/C=C\C=C\C(C)(O)(C)(O)C(=O)(C)(O)(C)C(=O)(C)(O)(C)/C=C/C(=O)O(2C)3C
| InChI =
| RTECS = RK3325000 | RTECS = RK3325000
| ChEBI = | ChEBI = 28285
| MeSHName = Oligomycins | MeSHName = Oligomycins
| KEGG_Ref = {{keggcite|correct|kegg}} | KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = }} | KEGG =
}}
| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| C=45 | H=74 | O=11
| MolarMass = 791.062 g/mol | MolarMass = 791.062 g/mol
| Appearance = | Appearance =
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| RefractIndex = | RefractIndex =
| Viscosity = | Viscosity =
}}
| Dipole = }}
| Section3 = {{Chembox Structure |Section3={{Chembox Structure
| CrystalStruct = | CrystalStruct =
| Coordination = | Coordination =
| MolShape = | MolShape =
| Dipole = }} | Dipole =
}}
| Section4 = {{Chembox Thermochemistry |Section4={{Chembox Thermochemistry
| DeltaHf = | DeltaHf =
| DeltaHc = | DeltaHc =
| Entropy = | Entropy =
| HeatCapacity = }} | HeatCapacity =
}}
| Section5 = {{Chembox Pharmacology |Section5={{Chembox Pharmacology
| ATCCode = | ATCCode =
| Bioavail = | Bioavail =
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| Excretion = | Excretion =
| PregCat = | PregCat =
| AdminRoutes = }} | AdminRoutes =
}}
| Section6 = {{Chembox Explosive |Section6={{Chembox Explosive
| ShockSens = | ShockSens =
| FrictionSens = | FrictionSens =
| ExplosiveV = | ExplosiveV =
| REFactor = }} | REFactor =
}}
| Section7 = {{Chembox Hazards |Section7={{Chembox Hazards
| ExternalMSDS = | ExternalSDS =
| EUClass =
| MainHazards = | MainHazards =
| NFPA-H = | NFPA-H =
| NFPA-F = | NFPA-F =
| NFPA-R = | NFPA-R =
| NFPA-O = | NFPA-S =
| RPhrases =
| SPhrases =
| RSPhrases =
| FlashPt = | FlashPt =
| Autoignition = | AutoignitionPt =
| ExploLimits = | ExploLimits =
| PEL = }} | PEL =
}}
| Section8 = {{Chembox Supplement}} |Section9={{Chembox Related
| Section9 = {{Chembox Related
| OtherAnions = | OtherAnions =
| OtherCations = | OtherCations =
| OtherFunctn = | OtherFunctn =
| Function = | Function =
| OtherCpds = }} | OtherCpds =
}}
}} }}


'''Oligomycins''' are ]s created by '']'' that can be ] to other organisms. '''Oligomycins''' are ]s created by '']'' that are strong antibacterial agents but are often ] to other organisms, including humans.


==Function== == Function ==
Oligomycins have use as ]. However, in humans, they have limited or no clinical use due to their toxic effects on ] and ].<ref name=":0">{{cite journal | vauthors = Mackieh R, Al-Bakkar N, Kfoury M, Roufayel R, Sabatier JM, Fajloun Z | title = Inhibitors of ATP Synthase as New Antibacterial Candidates | journal = Antibiotics | volume = 12 | issue = 4 | pages = 650 | date = March 2023 | pmid = 37107012 | pmc = 10135114 | doi = 10.3390/antibiotics12040650 | doi-access = free }}</ref>
They have use as ].


In addition, oligomycin <!-- oligomycin A? --> inhibits ] by blocking its proton channel (Fo subunit), which is necessary for ] of ] to ] (energy production). The inhibition of ATP synthesis would also stop electron transport chain. Because the high proton concentration build up is not dissipated, the free energy released by biological ] of substrates is not enough to pump any more protons against the steep gradient. Oligomycin A is an ] of ATP synthase.<ref name=":0" /> In oxidative phosphorylation research, it is used to prevent stage 3 (phosphorylating) respiration. Oligomycin A inhibits ATP synthase by blocking its proton channel (F<sub>O</sub> subunit), which is necessary for ] of ] to ] (energy production). The inhibition of ATP synthesis by oligomycin A will significantly reduce electron flow through the ]; however, electron flow is not stopped completely due to a process known as ''proton leak'' or '']''.<ref>{{cite journal | vauthors = Jastroch M, Divakaruni AS, Mookerjee S, Treberg JR, Brand MD | title = Mitochondrial proton and electron leaks | journal = Essays in Biochemistry | volume = 47 | issue = 1 | pages = 53–67 | year = 2010 | pmid = 20533900 | pmc = 3122475 | doi = 10.1042/bse0470053 }}</ref> This process is due to ] of protons into the ] through an ] such as ], or ].


Administering oligomycin <!-- oligomycin A? --> to an individual can result in very high levels of lactate accumulating in the blood and urine.{{Fact|date=December 2007}} Administering oligomycin <!-- oligomycin A? --> to rats can result in very high levels of lactate accumulating in the blood and urine.<ref>{{cite journal | vauthors = Kramar R, Hohenegger M, Srour AN, Khanakah G | title = Oligomycin toxicity in intact rats | journal = Agents and Actions | volume = 15 | issue = 5–6 | pages = 660–663 | date = December 1984 | pmid = 6532186 | doi = 10.1007/BF01966788 | s2cid = 7837164 }}</ref>

Oligomycin <!-- oligomycin A? --> is an inhibitor of ATP synthase. In oxidative phosphorylation research, it is used to prevent state 3 (phosphorylating) respiration.


{| border="1" cellpadding="5" cellspacing="0" {| border="1" cellpadding="5" cellspacing="0"
|+'''Oligomycins'''<ref>{{cite journal|author=Nakata, Masaya; Ishiyama, Takashi; Akamatsu, Shinichi; Hirose, Youichi; Maruoka, Hiroshi; Suzuki, Rika; Tatsuta, Kuniaki |title=Synthetic studies on oligomycins. Synthesis of the oligomycin B spiroketal and polypropionate portions| journal=Bulletin of the Chemical Society of Japan |year=1995 |volume=68 |issue=3 |pages=967–89|doi=10.1246/bcsj.68.967}}</ref> |+'''Oligomycins'''<ref>{{cite journal| vauthors = Nakata M, Ishiyama T, Akamatsu S, Hirose Y, Maruoka H, Suzuki R, Tatsuta K |title=Synthetic studies on oligomycins. Synthesis of the oligomycin B spiroketal and polypropionate portions| journal=Bulletin of the Chemical Society of Japan |year=1995 |volume=68 |issue=3 |pages=967–89|doi=10.1246/bcsj.68.967}}</ref>
|- |-
! colspan="6" | ] ! colspan="6" | ]
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| CH<sub>3</sub> | CH<sub>3</sub>
|} |}
{{-}} {{Clear}}


==References== == References ==
{{reflist}} {{reflist}}


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Oligomycin: Difference between revisions Add topic