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| Analysis of Sec-type Signal Peptides in the Ti and AT Plasmids of Agrobacterium tumefaciens C58 Cereon |
| LUO Deng-tao;FAN Ji-ying;FAN Cheng-ming;ZHAO Ming-fu;HE Yue-qiu |
| Plant Protection College, Yunnan Agricultural University，Kunming 650201, China |
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Abstract The 745 ORFs of the Ti and AT plasmids of Agrobacterium tumefaciens C58 Cereon were used for signal peptide prediction by comprehensive analyses with Signal P3.0 and PrediSi and screening based on L value and TMHMM. Total 35 sec-type signal peptides including 6 RR-motif and 2 bacteriocins-pheromones signal peptides were found and among them, 24 peptides were annotated newly as signal peptides, 1 for plasmid Ti and 23 for plasmid AT, respectively. Among the 35 signal peptides, the N-domain has 2~19aa with average 6.8aa, and the H-domain had 8~34aa with average 17.1aa.
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Received: 01 April 2005
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Corresponding Authors:
HE Yue-qiu
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