Protein sy'n cael ei godio yn y corff dynol gan y genyn PPM1K yw PPM1K a elwir hefyd yn Protein phosphatase 1K (PP2C domain containing), isoform CRA_b a Protein phosphatase, Mg2+/Mn2+ dependent 1K (Saesneg). Segment o DNA yw'r genyn, sy'n amgodio ffwythiant arbennig. Mae'r genyn yma wedi ei leoli ar yr edefyn ôl o gromosom dynol 4, band 4q22.1.[2]
Yn aml mae gan enynnau lawer o gyfystyron. Mae hyn oherwydd eu bod yn aml yn cael eu darganfod gan nifer o bobl mewn cyd-destunau gwahanol heb wybod mai'r un genynnau oeddyn nhw. Hefyd mae gan wahanol gymunedau gwyddonol safonau gwahanol ar gyfer enwi genynnau. Dyma restr o gyfystyron ar gyfer y genyn PPM1K.
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