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Literature summary for 1.4.3.3 extracted from

  • Padhi, A.; Zhang, K.
    Mechanistic insights into the loss-of-function mechanisms of rare human D-amino acid oxidase variants implicated in amyotrophic lateral sclerosis (2020), Sci. Rep., 10, 17146 .
    View publication on PubMedView publication on EuropePMC

Application

Application Comment Organism
medicine comprehensive analysis of catalogued DAAO rare variants triggering amyotrophic lateral sclerosis. Certain rare variants disrupt key interactions with the active site and decrease the conformational flexibility of active site loop comprising residues 216-228, which is essential for substrate binding and product release. These variants lost crucial interactions with the cofactor flavin-adenine-dinucleotide, resulting in weaker binding affinity Homo sapiens

Protein Variants

Protein Variants Comment Organism
additional information DAO variants including V5A, D46N, F90V, P103L, R115W, P119L, L215F, P268S, R283Q, R286C, L329F and G331E significantly reduce fluctuations around the active site loop residues and close to the hydrophobic stretch region of residues 47-51. In molecular dynamics simulations, V5A, D46N, F90V, P103L, R115W, P119L, L215F, P268S, R283Q, R286C, L329F and G331E variants exhibit nearly similar radius of gyration, the H78Y, R279Q and S340F variants including the wild-type exhibit a slightly increased profile. Variants V5A, D46N, F90V, P103L, R115W, P119L, L215F, P268S, R283Q, R286C, L329F and G331E experience more compact structure than wild-type and H78Y, R279Q and S340F during the course of simulations Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens P14920
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