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Methylmalonyl-CoA: Difference between revisions

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{{Chembox {{Chembox
| Verifiedfields = changed
| verifiedrevid = 413362156
| Watchedfields = changed
| ImageFile = Methylmalonyl-CoA.PNG
| verifiedrevid = 431161699
| ImageFile = Methylmalonyl-CoA.svg
| ImageSize = 200px | ImageSize = 200px
| SystematicName = (9''R'')-1--3,5,9-trihydroxy-8,8,20-trimethyl-3,5,10,14,19-pentaoxo-2,4,6-trioxa-18-thia-11,15-diaza-3λ<sup>5</sup>,5λ<sup>5</sup>-diphosphahenicosan-21-oic acid
| IUPACName =
| OtherNames = | OtherNames =
| Section1 = {{Chembox Identifiers |Section1={{Chembox Identifiers
| IUPHAR_ligand = 5223
| CASNo = 1264-45-5
| CASNo_Ref = {{cascite|correct|??}}
| PubChem = 123909
| SMILES = | CASNo = 1264-45-5
| PubChem = 123909
| MeSHName = methylmalonyl-coenzyme+A
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 110440| ChEBI_Ref = {{ebicite|changed|EBI}}
| ChEBI = 16625
| SMILES = CC(C(=O)O)C(=O)SCCNC(=O)CCNC(=O)(C(C)(C)COP(=O)(O)OP(=O)(O)OC1(((O1)N2C=NC3=C(N=CN=C32)N)O)OP(=O)(O)O)O
| InChI = 1/C25H40N7O19P3S/c1-12(23(37)38)24(39)55-7-6-27-14(33)4-5-28-21(36)18(35)25(2,3)9-48-54(45,46)51-53(43,44)47-8-13-17(50-52(40,41)42)16(34)22(49-13)32-11-31-15-19(26)29-10-30-20(15)32/h10-13,16-18,22,34-35H,4-9H2,1-3H3,(H,27,33)(H,28,36)(H,37,38)(H,43,44)(H,45,46)(H2,26,29,30)(H2,40,41,42)/t12?,13-,16-,17-,18+,22-/m1/s1
| InChIKey = MZFOKIKEPGUZEN-FBMOWMAEBZ
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| StdInChI = 1S/C25H40N7O19P3S/c1-12(23(37)38)24(39)55-7-6-27-14(33)4-5-28-21(36)18(35)25(2,3)9-48-54(45,46)51-53(43,44)47-8-13-17(50-52(40,41)42)16(34)22(49-13)32-11-31-15-19(26)29-10-30-20(15)32/h10-13,16-18,22,34-35H,4-9H2,1-3H3,(H,27,33)(H,28,36)(H,37,38)(H,43,44)(H,45,46)(H2,26,29,30)(H2,40,41,42)/t12?,13-,16-,17-,18+,22-/m1/s1
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| Section2 = {{Chembox Properties |Section2={{Chembox Properties
| Formula = C<sub>25</sub>H<sub>40</sub>N<sub>7</sub>O<sub>19</sub>P<sub>3</sub>S | Formula = C<sub>25</sub>H<sub>40</sub>N<sub>7</sub>O<sub>19</sub>P<sub>3</sub>S
| MolarMass = 867.608 g/mol | MolarMass = 867.608 g/mol
| Appearance = | Appearance =
| Density = | Density =
| MeltingPt = | MeltingPt =
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| Solubility =
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| Section3 = {{Chembox Hazards |Section3={{Chembox Hazards
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}}'''Methylmalonyl-CoA''' is the ] consisting of ] linked to ]. It is an important intermediate in the ] of ], which plays an essential role in the tricarboxylic acid cycle (aka the ]).<ref name="Wongkittichote_2017">{{cite journal | vauthors = Wongkittichote P, Ah Mew N, Chapman KA | title = Propionyl-CoA carboxylase - A review | journal = Molecular Genetics and Metabolism | volume = 122 | issue = 4 | pages = 145–152 | date = December 2017 | pmid = 29033250 | pmc = 5725275 | doi = 10.1016/j.ymgme.2017.10.002 }}</ref>
}}


== Biosynthesis and metabolism ==
'''Methylmalonyl-CoA''' is the ] linked form of ]. Methylmalonyl-CoA is formed from ] by ] by help of ] (vitamin B<sub>7</sub>). It is converted into ] by ], in a reaction that requires ] as a cofactor. In this way, it enters the ], and is thus part of one of the ]. The following diagram demonstrates the aforementioned reactions:
]
Methylmalonyl-CoA results from the ] of ] with an ] of ], of ] ], ], ], ] or of ], forming ].<ref name="Baumgartner_2014">{{cite journal | vauthors = Baumgartner MR, Hörster F, Dionisi-Vici C, Haliloglu G, Karall D, Chapman KA, Huemer M, Hochuli M, Assoun M, Ballhausen D, Burlina A, Fowler B, Grünert SC, Grünewald S, Honzik T, Merinero B, Pérez-Cerdá C, Scholl-Bürgi S, Skovby F, Wijburg F, MacDonald A, Martinelli D, Sass JO, Valayannopoulos V, Chakrapani A | display-authors = 6 | title = Proposed guidelines for the diagnosis and management of methylmalonic and propionic acidemia | journal = Orphanet Journal of Rare Diseases | volume = 9 | issue = 1 | pages = 130 | date = September 2014 | pmid = 25205257 | pmc = 4180313 | doi = 10.1186/s13023-014-0130-8 | doi-access = free }}</ref> The latter is also formed from ], which bacteria produce in the intestine.<ref name="Baumgartner_2014" /> Propionyl-CoA and ] are converted to Methylmalonyl-CoA by the enzyme ].<ref name="Wongkittichote_2017" /> It then is converted into succinyl-CoA by ] (MUT). This reaction is a ] ]. In this way, the compound enters the Citric Acid Cycle. The following diagram demonstrates the aforementioned reaction:<ref name="Lehninger4th">{{Lehninger4th||name-list-style=vanc}}</ref>


Propionyl CoA + Bicarbonate <big>→</big> Methylmalonyl CoA <big>→</big> Succinyl CoA
:] → Methylmalonyl CoA → ] <ref>Hoffbrand,A.V., Moss, P.A.H, Pettit, J.E. ''Essential Haematology''. Blackwell publishing. 5th Ed. 2006. p. 46 </ref>


== Vitamin B<sub>12</sub> ==
==See also==
] plays an integral role in this reaction. Coenzyme B<sub>12</sub> (]) is an ] form of ] and serves as the ] of Methylmalonyl-CoA mutase, which is an essential ] in the human body.<ref name="Kräutler_2012">{{cite book | vauthors = Kräutler B |chapter=Biochemistry of B12-cofactors in human metabolism |date=2012 |title=Water Soluble Vitamins |series=Subcellular Biochemistry |volume=56 |pages=323–346 | veditors = Stanger O |place=Dordrecht |publisher=Springer Netherlands |doi=10.1007/978-94-007-2199-9_17 |pmid=22116707 |isbn=978-94-007-2198-2 }}</ref> The transformation of Methylmalonyl-CoA to Succinyl-CoA by this enzyme is a ].<ref name="Kräutler_2012" />
* ]
== Related diseases ==


=== Methylmalonic Acidemia (MMA) ===
==References==
{{main|Methylmalonyl-CoA mutase deficiency}}
{{reflist}}
This disease occurs when methylmalonyl-CoA mutase is unable to isomerize sufficient amounts of methylmalonyl-CoA into succinyl-CoA.<ref name="Takahashi-Iñiguez_2012">{{cite journal | vauthors = Takahashi-Iñiguez T, García-Hernandez E, Arreguín-Espinosa R, Flores ME | title = Role of vitamin B12 on methylmalonyl-CoA mutase activity | journal = Journal of Zhejiang University. Science. B | volume = 13 | issue = 6 | pages = 423–437 | date = June 2012 | pmid = 22661206 | pmc = 3370288 | doi = 10.1631/jzus.B1100329 }}</ref> This causes a buildup of propionic and/or methylmalonic acid, which has effects on infants ranging from severe brain damage to death.<ref name="Baumgartner_2014" /> The disease is linked to Vitamin B<sub>12</sub>, which is a cofactor for the enzyme methylmalonyl-CoA mutase.<ref name="Takahashi-Iñiguez_2012" /><ref name="Froese_2019">{{cite journal |vauthors=Froese DS, Fowler B, Baumgartner MR |date=July 2019 |title=Vitamin B<sub>12</sub> , folate, and the methionine remethylation cycle-biochemistry, pathways, and regulation |journal=Journal of Inherited Metabolic Disease |volume=42 |issue=4 |pages=673–685 |doi=10.1002/jimd.12009 |pmid=30693532 |doi-access=free}}</ref>


=== Combined malonic and methylmalonic aciduria (CMAMMA) ===
In the metabolic disease ] (CMAMMA), ] (ACSF3) is reduced, which converts toxic methylmalonic acid to methylmalonyl-CoA and thus supplies it to the citric acid cycle.<ref>{{cite journal | vauthors = Gabriel MC, Rice SM, Sloan JL, Mossayebi MH, Venditti CP, Al-Kouatly HB | title = Considerations of expanded carrier screening: Lessons learned from combined malonic and methylmalonic aciduria | journal = Molecular Genetics & Genomic Medicine | volume = 9 | issue = 4 | pages = e1621 | date = April 2021 | pmid = 33625768 | pmc = 8123733 | doi = 10.1002/mgg3.1621 }}</ref><ref>{{cite journal | vauthors = Bowman CE, Wolfgang MJ | title = Role of the malonyl-CoA synthetase ACSF3 in mitochondrial metabolism | journal = Advances in Biological Regulation | volume = 71 | pages = 34–40 | date = January 2019 | pmid = 30201289 | pmc = 6347522 | doi = 10.1016/j.jbior.2018.09.002 }}</ref> The result is an accumulation of methylmalonic acid.

== References ==
{{Reflist}}


{{Amino acid metabolism intermediates}} {{Amino acid metabolism intermediates}}


{{DEFAULTSORT:Methylmalonyl-Coa}} {{DEFAULTSORT:Methylmalonyl-Coa}}
] ]



{{Microbiology-stub}} {{Microbiology-stub}}

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