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Amino acid sequence of PIN peptides conducting TIME (Time-Interval-Measuring-Esterase) activation for resumption of embryonic development in the silkworm,Bombyx mori

Authors
Journal
Bioorganic & Medicinal Chemistry Letters
0960-894X
Publisher
Elsevier
Publication Date
Volume
5
Issue
23
Identifiers
DOI: 10.1016/0960-894x(95)00492-c

Abstract

Abstract Resumption of arrested development in the silkworm at the embryonic stage is parallel to the activation of TIME (Time-Interval-Measuring-Esterase), which initially exists as complex form with PIN peptide. TIME-PIN complex dissociates by exposing to low temperatures, then PIN was separated by ultra-filtration and chromatography. Amino acid sequences of 6 peptides, as PIN components varying from 28 to 38 residues, were determined by amino acid sequencer and by HPLC-ESI/MS. Their sequences are the parts of a common and the longest sequence of PIN. which is SIFMT KQHSQ DDIIQ HPLDY VEQQI HQQKQ KLQKQ TLN.

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