Single copy gene database or list for human cells?

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I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

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Salvador Ramirez-Flandes

I don't know any database for that, but here:

Hou, Z., Romero, R., Uddin, M., Than, N.G. and Wildman, D.E., 2009. Adaptive history of single copy genes highly expressed in the term human placenta. Genomics, 93(1), pp.33-41.

Article Adaptive history of single copy genes highly expressed in th...

the authors identified at least ~4000 single-copy genes in mammals and ~200 from humans that are highly expressed in placenta. Maybe that is a good start. Best regards.