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3.2.1.40: alpha-L-rhamnosidase

This is an abbreviated version!
For detailed information about alpha-L-rhamnosidase, go to the full flat file.

Word Map on EC 3.2.1.40

Reaction

4',5,7-trihydroxyflavanone 7-rhamnoglucoside
+
H2O
=
4',5,7-trihydroxyflavanone 7-glucoside
+
alpha-L-rhamnose

Synonyms

alpha-L-rhamnosidase, alpha-L-rhamnosidase A, alpha-L-rhamnosidase B, alpha-L-rhamnosidase N, alpha-L-rhamnosidase Ram A, alpha-L-rhamnosidase T, alpha-RHA, AoRha, AorhaA, BtRha, BtRha78A, DtRha, EC 3.2.1.66, GH106 alpha-L-rhamnosidase, gypenoside-alpha-L-rhamnosidase, KoRha, L-rhamnosidase, More, naringinase, pnp-rhamnohydrolase, RamA, RHA-P, RhaA, RhaB, RhaB1, RhaB2, RhaL1, Rham, rhamnosidase, alpha -L-, RhmA, saponin-alpha-L-rhamnosidase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.40 alpha-L-rhamnosidase

Crystallization

Crystallization on EC 3.2.1.40 - alpha-L-rhamnosidase

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
X-ray structure of the GH78 family alpha-L-rhamnosidase from Aspergillus terreus has been determined at 1.38 A resolution using the sulfur single-wavelength anomalous dispersion phasing method
native and selenomethionine-derivaties, 1.9 A resolution with a final R-factor of 18.2%, hanging-drop method, data-collection and statistics indicated, overall structure shown, quaternary structure, catalytic domain and active cleft determined, complex with the reaction product rhamnose determined and refined at 2.1 A with a final R-factor of 19.5%
native and selenomethionine-derivaties, crystallized at 293 K, hanging-drop vapour diffusion with PEG 8000 as a precipitant, data collection and statistics indicated
hanging drop vapor diffusion method, crystal structure is determined at 2.7 A resolution with rhamnose bound in the active site of the catalytic domain. The homodimeric structure is significantly smaller than those of the other previously determined GH78 structures. Nevertheless, the enzyme displays alpha-rhamnosidase activity when assayed in vitro, suggesting that the additional structural domains found in the related enzymes are dispensible for function