In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Q:  In contrast , a similar fusion protein ( hGH - LDLR - DAF17 , abbreviated HLD ) containing a fragment of the serine / threonine - rich domain of the LDL receptor ( LDLR ) in place of the DAF - derived serine / threonine - rich sequences , does not become GPI anchored .

A: LDL receptor
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Q:  The major promoter element of the Xenopus laevis 5S RNA gene is located within the transcribed region of the gene and forms the binding site for the transcription initiation factor TFIIIA .

A: 5S RNA
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Q:  The oxalate oxidase method results in a mean and reference interval for oxalate excretion that are comparable with those by isotope dilution , gas - chromatographic , colorimetric , and other enzymic procedures .

A:
oxalate oxidase
****