Table 2.

ntn genes and their gene products

GeneNo. of bases in comparisonPosition in sequenceNucleotide identity with xyl homolog (%)Amino acid identity of ORFb(%)Mr of ORF (thousands)
ntnUa 481–48100100
ntnW 1,074174–122099.699.136.9
ntnC 1,4641252–271592.494.951.8
ntnM 1,1102740–384984.186.241.6
ntnA 1,0533999–505199.799.138.5
ntnB*a 6995241–594095.697.4
  • a Incomplete open reading frames.

  • b ORF, open reading frame.