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3.7.1.3: kynureninase

This is an abbreviated version!
For detailed information about kynureninase, go to the full flat file.

Word Map on EC 3.7.1.3

Reaction

L-kynurenine
+
H2O
=
anthranilate
 +
L-alanine

Synonyms

HsKynase, Kynase, KYNU, kynureninase, L-kynurenine hydrolase, PfKynase

ECTree

     3 Hydrolases
         3.7 Acting on carbon-carbon bonds
             3.7.1 In ketonic substances
                3.7.1.3 kynureninase

Crystallization

Crystallization on EC 3.7.1.3 - kynureninase

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
crystals of recombinant kynureninase that diffracted to 2.0 A are obtained, and the atomic structure of the PLP-bound holoenzyme is determined by molecular replacement using the Pseudomonas fluorescens structure as the phasing model
the wild type enzyme is cocrystallized with 3-hydroxyhippuric acid, using the modified microbatch under oil technique at 25?C, with 0.05 M MgCl2, 0.1 M Tris (pH 8.0), and 25% (w/v) PEG 3000
by hanging-drop vapor diffusion method at room temperature, to 1.85 A resolution, Lys-227 is the pyridoxal-5'-phosphate binding residue near the pyridoxal-5'-phosphate nitrogen, but Asp-132 is also strictly conserved and at a similar distance from the pyridinium nitrogen, Tyr-226 donates a hydrogen bond to the phosphate of pyridoxal-5'-phosphate, Trp-256 donates a hydrogen bond to the phosphate through the indole N1-hydrogen
performed using the hanging-drop vapor diffusion technique