Escherichia coli K-12 substr. MG1655 Compound: maltopentaose

Superclasses: all carbohydratesa carbohydratea glycanan oligosaccharidea malto-oligosaccharidea linear malto-oligosaccharide

Chemical Formula: C30H52O26

Molecular Weight: 828.72 Daltons

Monoisotopic Molecular Weight: 828.2746818438 Daltons

maltopentaose compound structure


InChI: InChI=1S/C30H52O26/c31-1-6-11(36)12(37)18(43)27(49-6)54-23-8(3-33)51-29(20(45)14(23)39)56-25-10(5-35)52-30(21(46)16(25)41)55-24-9(4-34)50-28(19(44)15(24)40)53-22-7(2-32)48-26(47)17(42)13(22)38/h6-47H,1-5H2/t6-,7-,8-,9-,10-,11-,12+,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26?,27-,28-,29-,30-/m1/s1


Unification Links: ChEBI:61952, ChemSpider:2006584, HMDB:HMDB12254, Kegg Glycan:G00343, MetaboLights:MTBLC61952, PubChem:2724445

Standard Gibbs Free Energy of Formation (ΔfG in kcal/mol): -852.2

Reactions known to consume the compound:

Not in pathways:
maltopentaose + H2O → maltotetraose + D-glucopyranose

Reactions known to produce the compound:

Not in pathways:
maltohexaose + H2O → maltopentaose + D-glucopyranose

In Reactions of unknown directionality:

Not in pathways:
maltohexaose + phosphate = maltopentaose + α-D-glucopyranose 1-phosphate
maltohexaose + D-glucopyranose = maltopentaose + maltose
maltopentaose + D-glucopyranose = maltotetraose + maltose
maltopentaose + phosphate = α-D-glucopyranose 1-phosphate + maltotetraose

This compound has been characterized as an alternative substrate of the following enzymes: maltose ABC transporter


Zeeman10: Zeeman SC, Kossmann J, Smith AM (2010). "Starch: its metabolism, evolution, and biotechnological modification in plants." Annu Rev Plant Biol 61;209-34. PMID: 20192737

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Please cite the following article in publications resulting from the use of EcoCyc: Nucleic Acids Research 41:D605-12 2013
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