NXCI_047_E10_F NXCI (Nsf Xylem Compression wood Inclined) Pinus taeda cDNA clone NXCI_047_E10 5' similar to Arabidopsis thaliana sequence At5g03240 polyubiquitin (ubq3) see http://mips.gsf.de/proj/thal/db/index.html, mRNA sequence