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{{enzyme
| Name = UDP-arabinose 4-epimerase
| EC_number = 5.1.3.5
| CAS_number = 9024-18-4
| IUBMB_EC_number = 5/1/3/5
| GO_code = 0050373
| image =
| width =
| caption =
}}
In [[enzymology]], an '''UDP-arabinose 4-epimerase''' ({{EC number|5.1.3.5}}) is an [[enzyme]] that [[catalysis|catalyzes]] the [[chemical reaction]]

:UDP-L-arabinose <math>\rightleftharpoons</math> UDP-D-xylose

Hence, this enzyme has one [[substrate (biochemistry)|substrate]], [[UDP-L-arabinose]], and one [[product (chemistry)|product]], [[UDP-D-xylose]].

This enzyme belongs to the family of [[isomerase]]s, specifically those [[racemase]]s and [[epimerase]]s acting on [[carbohydrate]]s and derivatives. The systematic name of this enzyme class is '''UDP-L-arabinose 4-epimerase'''. Other names in common use include '''uridine diphosphoarabinose epimerase''', '''UDP arabinose epimerase''', '''uridine 5'-diphosphate-D-xylose 4-epimerase''', and '''UDP-D-xylose 4-epimerase'''. This enzyme participates in [[nucleotide sugars metabolism]].

==References==
{{reflist|1}}
* {{cite journal | author = FEINGOLD DS, NEUFELD EF, HASSID WZ | date = 1960 | title = The 4-epimerization and decarboxylation of uridine diphosphate D-glucuronic acid by extracts from Phaseolus aureus seedlings | journal = J. Biol. Chem. | volume = 235 | pages = 910–3 | pmid = 13821949 }}

{{isomerase-stub}}

[[Category:EC 5.1.3]]
[[Category:Enzymes of unknown structure]]

Styrene-oxide isomerase - Revision history

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