NXCI_053_D08_F NXCI (Nsf Xylem Compression wood Inclined) Pinus taeda cDNA clone NXCI_053_D08 5' similar to Arabidopsis thaliana sequence At4g05320 polyubiquitin (ubq10) see http://mips.gsf.de/proj/thal/db/index.html, mRNA sequence