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A survey of orphan enzyme activities
Authors:Yannick Pouliot  Peter D Karp
Institution:(1) Bioinformatics Research Group, Artificial Intelligence Center, SRI International, 333 Ravenswood Ave, Menlo Park, California 94025-3493, USA;(2) Lane Medical Library and Knowledge Management Center, Information Resources and Technology, Stanford University Medical Center, 300 Pasteur Drive, Stanford, CA 94305-5123, USA
Abstract:

Background  

Using computational database searches, we have demonstrated previously that no gene sequences could be found for at least 36% of enzyme activities that have been assigned an Enzyme Commission number. Here we present a follow-up literature-based survey involving a statistically significant sample of such "orphan" activities. The survey was intended to determine whether sequences for these enzyme activities are truly unknown, or whether these sequences are absent from the public sequence databases but can be found in the literature.
Keywords:
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