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TitleAn N⋯H⋯N low-barrier hydrogen bond preorganizes the catalytic site of aspartate aminotransferase to facilitate the second half-reaction.
Journal, issue, pagesChem Sci, Vol. 13, Page 10057-10065, Year 2022
Publish dateFeb 3, 2022 (structure data deposition date)
AuthorsDrago, V.N. / Dajnowicz, S. / Parks, J.M. / Blakeley, M.P. / Keen, D.A. / Coquelle, N. / Weiss, K.L. / Gerlits, O. / Kovalevsky, A. / Mueser, T.C.
External linksChem Sci / PubMed:36128223
MethodsX-ray diffraction / neutron diffraction
Resolution1.7 Å
Structure data

PDB-7tur:
Joint X-ray/neutron structure of aspastate aminotransferase (AAT) in complex with pyridoxamine 5'-phosphate (PMP)
Method: X-RAY DIFFRACTION / NEUTRON DIFFRACTION / Resolution: 1.7 Å

Chemicals

ChemComp-PLA:
2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL)-AMINO]-2-METHYL-SUCCINIC ACID

ChemComp-PMP:
4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE

ChemComp-DOD:
DEUTERATED WATER

Source
  • sus scrofa (pig)
KeywordsTRANSFERASE / PLP-dependent enzyme / homodimer / aspartate aminotransferase

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