Citation: Hong JI, Ruo Heng, ZHANG Met, Cheng SHAO. SOLID PHASE SYNTHESIS AND CD SPECTRUMSTUDY OF "ZINC-FINGER" PEPTIDE RELATED TO CAULIMOVIRUS[J]. Chinese Chemical Letters, ;1995, 6(6): 463-464. shu

SOLID PHASE SYNTHESIS AND CD SPECTRUMSTUDY OF "ZINC-FINGER" PEPTIDE RELATED TO CAULIMOVIRUS

Institute of Physical Chemistry, Beijing University, Beijing 100871

Received Date: 6 December 1994

Caulimovirus contains a highly conserved, low molecular weight protein which has a zinc finger-like motif CysX₂CysX₄HisX₄Cys in common with the animal retroviruses.The zinc finger-like peptide of caulimovirus (17 residues) was synthesized by solid phase method for structural study.Both standard HF treatment and "low-high HF" treatment were used to cleave the peptide from the resin.The peptide cleaved with "low-high" HF had higher purity and yield than that with standard HF cleavage.Circular dichroic spectroscopy indicates that the peptide exhibits a random coil conformation in the absence of zinc but appears to form an ordered structure in the presence of zinc.
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