5-Metiltetrahidrofolat:korinoid/gvožđe-sumpor protein Co-metiltransferaza

5-Metiltetrahidrofolat:korinoid/gvožđe-sumpor protein Co-metiltransferaza (EC 2.1.1.258, acsE (gen)) je enzim sa sistematskim imenom 5-metiltetrahidrofolat:korinoid/gvožđe-sumporna proteinska metiltransferaza.[1][2][3] Ovaj enzim katalizuje sledeću hemijsku reakciju

5-Metiltetrahidrofolat:korinoid/gvožđe-sumpor protein Co-metiltransferaza
Identifikatori
EC broj2.1.1.258
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBj PDBsum
[metil-Co(III) korinoidni Fe-S protein] + tetrahidrofolat [Co(I) korinoidni Fe-S protein] + 5-metiltetrahidrofolat

Ovaj enzim katalizuje transfer metil grupe sa N5 pozicije metiltetrahidrofolata na 5-metoksibenzimidazolilkobamidni kofaktor korinoid/Fe-S proteina.

Reference uredi

  1. ^ Roberts, D.L., Zhao, S., Doukov, T. and Ragsdale, S.W. (1994). „The reductive acetyl coenzyme A pathway: sequence and heterologous expression of active methyltetrahydrofolate:corrinoid/iron-sulfur protein methyltransferase from Clostridium thermoaceticum. J. Bacteriol. 176: 6127—6130. PMID 7928975. 
  2. ^ Doukov, T., Seravalli, J., Stezowski, J.J. and Ragsdale, S.W. (2000). „Crystal structure of a methyltetrahydrofolate- and corrinoid-dependent methyltransferase”. Structure. 8: 817—830. PMID 10997901. 
  3. ^ Doukov, T.I., Hemmi, H., Drennan, C.L. and Ragsdale, S.W. (2007). „Structural and kinetic evidence for an extended hydrogen-bonding network in catalysis of methyl group transfer. Role of an active site asparagine residue in activation of methyl transfer by methyltransferases”. J. Biol. Chem. 282: 6609—6618. PMID 17172470. 

Literatura uredi

Spoljašnje veze uredi