Abstract
Abstract Using RT‐PCR and RACE techniques, part of the cDNA encoding the general odorant binding protein 1 gene (named as GOBP1‐Harra) from the antenna of Helwoverpa armigera (Hubner) has been cloned. The cDNA length of GOBP1‐Harm is 876 bp. The results of sequencing and structural analysis showed that the mature protein reading frame of GOBPl‐Harm is 435 base pairs in length and 145 amino acids encoded. The predicted MW and pl are 17.0 kD and 4.89, respectively. The deduced amino acid sequence showed a highly similarity to the sequence of GOBP1 from different moth species and shared several common structural features with odorant binding proteins from other insects.
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