User:Mariana Morais

Mariana Abrahão Bueno de Morais is a researcher in the Brazilian Biorenewables National Laboratory (LNBR) from the Brazilian Center for Research in Energy and Materials (CNPEM). She has been focused on the elucidation of enzymes molecular mechanisms, integrating experimental data with computational approaches, including molecular modeling, classical and Quantum Mechanics simulations. She obtained a degree in Biotechnology Engineering at the São Paulo State University and her PhD (emphasis in Biochemistry) at the State University of Campinas, developing the project at CNPEM (Brazil) under the supervision of Mario Murakami, with a period at the IBMC/I3S Institute (Portugal) under the supervision of Prof. Ana Tomas. Mariana did a postdoc at the University of Barcelona in the group of Prof. Carme Rovira (QSBio), working with hybrid QM/MM simulations.

Mariana has contributed to studies related to members of the following CAZy families:
GH1 [1, 2, 3], GH2 [4], GH5 subfamily 57 [5], GH26 [6], GH38 [7], GH39 [8], GH43 [9, 10, 11], GH51 [12], GH173 [13], CBM3 [14], CBM89 [13].

Structures on Protein Data Bank (PDB):
GH1: PDB ID 6EFU (ThBgl double mutant, a tailored beta-glucosidase from Trichoderma harzianum); PDB ID 6WIU (EmBgl, a beta-glucosidase from the marine bacterium Exiguobacterium marinum); PDB ID 5WKA (AmBgl-LP, a beta-glucosidase retrieved from microbial metagenome of Poraque Amazon lake).
GH2:PDB ID 6BYC (XacMan2A, an exo-beta-mannanase from Xanthomonas axonopodis pv. citri); PDB ID 6BYE (XacMan2A, in complex with mannose); PDB ID 6BYG (XacMan2A, nucleophile mutant); PDB ID 6BYI (XacMan2A, acid/base mutant).
GH5: PDB ID 8D89 (CapGH5_57, first structure of subfamily 57, from an uncultured Bacteroidales bacterium recovered from the capybara gut microbiota).
GH26: PDB ID 6UEH (Ruminal GH26 endo-beta-1,4-mannanase).
GH39: PDB ID 6UQJ (XacGH39, beta-xylasidase from Xanthomonas axonopodis pv. citri).
GH43: PDB ID 6MS2 (BlXynB, an inactive GH43 member from Bacillus licheniformis); PDB ID 6MS3 (Active BlXynB mutant (K247S)); PDB ID [https://www.rcsb.org/structure/6XN0 6XN0 (XacGH43_1, calcium activated exo-oligoxylanase from Xanthomonas citri); PDB ID 6XN1 (XacGH43_1 complexed with xylose (Michaelis complex [9])); PDB ID 6XN2 (XacGH43_1 complexed with xylotriose); PDB ID 7JVH (GH43_12 retrieved from capybara gut metagenome).
GH51: PDB ID 6D25 (XacAbf51, arabinofuranosidase that recognize arabinofuranosyl di-substitutions).
CBM3: PDB ID 6UFV (BsCBM3, CBM3 from Bacillus subtilis at 1.28 angstrom resolution); PDB ID 6UFW (BsCBM3, CBM3 from Bacillus subtilis at 1.06 angstrom resolution).
CBM89: PDB ID 7JVI (CapCBM89, first structure of CBM89 family, retrieved from capybara gut metagenome).

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2. https://doi.org/10.1002/bbb.2136
4. Domingues MN, Souza FHM, Vieira PS, de Morais MAB, Zanphorlin LM, Dos Santos CR, Pirolla RAS, Honorato RV, de Oliveira PSL, Gozzo FC, and Murakami MT. (2018). Structural basis of exo-β-mannanase activity in the GH2 family. J Biol Chem. 2018;293(35):13636-13649. DOI:10.1074/jbc.RA118.002374 |
11. Vieira PS, Bonfim IM, Araujo EA, Melo RR, Lima AR, Fessel MR, Paixão DAA, Persinoti GF, Rocco SA, Lima TB, Pirolla RAS, Morais MAB, Correa JBL, Zanphorlin LM, Diogo JA, Lima EA, Grandis A, Buckeridge MS, Gozzo FC, Benedetti CE, Polikarpov I, Giuseppe PO, and Murakami MT. (2021). Xyloglucan processing machinery in Xanthomonas pathogens and its role in the transcriptional activation of virulence factors. Nat Commun. 2021;12(1):4049. DOI:10.1038/s41467-021-24277-4 |
13. Cabral L, Persinoti GF, Paixão DAA, Martins MP, Morais MAB, Chinaglia M, Domingues MN, Sforca ML, Pirolla RAS, Generoso WC, Santos CA, Maciel LF, Terrapon N, Lombard V, Henrissat B, and Murakami MT. (2022). Gut microbiome of the largest living rodent harbors unprecedented enzymatic systems to degrade plant polysaccharides. Nat Commun. 2022;13(1):629. DOI:10.1038/s41467-022-28310-y |