Complete coding sequence, sequence analysis and transmembrane topology modelling of Trypanosoma brucei rhodesiense Putative Oligosaccharyl transferase (TbOST II)
by Waren N. Baticados; Noboru Inoue; Chihiro Sugimoto; Hideyuki Nagasawa; Abigail M. Baticados
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 5, No. 5, 2011

Abstract: The partial nucleotide sequence of putative Trypanosoma brucei rhodesiense oligosaccharyl transferase gene was previously reported. Here, we describe the determination of its full-length nucleotide sequence by Inverse PCR (IPCR), subsequent biological sequence analysis and transmembrane topology modelling. The full-length DNA sequence has an Open Reading Frame (ORF) of 2406 bp and encodes a polypeptide of 801 amino acid residues. Protein and DNA sequence analyses revealed that homologues within the genome of other kinetoplastid and various origins exist. Protein topology analysis predicted that Trypanosoma brucei rhodesiense putative oligosaccharyl transferase clone II (TbOST II) is a transmembrane protein with transmembrane helices in probably an N(cytosol)-C(cytosol) orientation. Data from the GenBank database assembly and sequence analyses in general clearly state that TbOST II is the STT3 subunit of OST in T.b. rhodesiense that necessitates further characterisation and functional studies with RNAi. TbOST II sequence had been deposited in the GenBank (accession number GU245937).

Online publication date: Sat, 24-Jan-2015

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