NXCI_053_E08_F NXCI (Nsf Xylem Compression wood Inclined) Pinus taeda cDNA clone NXCI_053_E08 5' similar to Arabidopsis thaliana sequence At5g23540 26S proteasome, non-ATPase regulatory subunit see http://mips.gsf.de/proj/thal/db/index.html, mRNA sequence