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2BRZ

SOLUTION NMR STRUCTURE OF THE SWEET PROTEIN BRAZZEIN, MINIMIZED AVERAGE STRUCTURE

Summary for 2BRZ
Entry DOI10.2210/pdb2brz/pdb
DescriptorBRAZZEIN (1 entity in total)
Functional Keywordssweet protein, cysteine-stabilized alpha-beta
Biological sourcePentadiplandra brazzeana
Total number of polymer chains1
Total formula weight6491.33
Authors
Caldwell, J.E.,Abildgaard, F.,Dzakula, Z.,Ming, D.,Hellekant, G.,Markley, J.L. (deposition date: 1998-04-30, release date: 1998-07-01, Last modification date: 2019-12-25)
Primary citationCaldwell, J.E.,Abildgaard, F.,Dzakula, Z.,Ming, D.,Hellekant, G.,Markley, J.L.
Solution structure of the thermostable sweet-tasting protein brazzein.
Nat.Struct.Biol., 5:427-431, 1998
Cited by
PubMed Abstract: The fruit of Pentadiplandra brazzeana Baillon contains a small, sweet-tasting protein named brazzein. The structure of brazzein in solution was determined by proton nuclear magnetic resonance spectroscopy at pH 5.2 and 22 degrees C. The brazzein fold, which contains one alpha-helix and three strands of antiparallel beta-sheet, does not resemble that of either of the other two sweet-tasting proteins with known structures, monellin and thaumatin. Instead, the structure of brazzein resembles those of plant gamma-thionins and defensins and arthropod toxins. Sequence comparisons predict that members of a newly-identified family of serine proteinase inhibitors share the brazzein fold.
PubMed: 9628478
DOI: 10.1038/nsb0698-427
PDB entries with the same primary citation
Experimental method
SOLUTION NMR
Structure validation

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