0000950129-01-001479 DEF 14A 1 20010418 20010316 LEXICON GENETICS INC/TX 0001062822 8731 760474169 1231 DEF 14A 34 000-30111 1570281 4000 RESEARCH FOREST DRIVE 281-364-0100 THE WOODLANDS TX 77381 2813640100 4000 RESEARCH FOREST DR THE WOODLANDS TX 77381 DEF 14A 1 h85036def14a.txt LEXICON GENETICS INCORPORATED