NXCI_047_C04_F NXCI (Nsf Xylem Compression wood Inclined) Pinus taeda cDNA clone NXCI_047_C04 5' similar to Arabidopsis thaliana sequence At2g29550 tubulin beta-7 chain see http://mips.gsf.de/proj/thal/db/index.html, mRNA sequence