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Related Experiment Video

Updated: May 12, 2026

Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
10:08

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Published on: March 5, 2017

Functional assignment to maize group 1 LEA protein EMB564 within the cell nucleus using computational analysis.

Xiaolin Wu1, Fangping Gong, Wei Wang

  • 1Key Laboratory of Physiological Ecology & Genetic Improvement of Food Crops in Henan Province, College of Life Science, Henan Agricultural University, Zhengzhou 450002, China.

Bioinformation
|April 6, 2013
PubMed
Summary

Maize protein EMB564, a late embryogenesis abundant (LEA) protein, is predicted to function in the cell nucleus. Computational analysis suggests it may bind DNA/RNA, similar to nuclear proteins involved in cell division and DNA repair.

Keywords:
Computational analysisDNA-bindingEMB564 proteinFunction assignmentZea Mays

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Area of Science:

  • Plant molecular biology
  • Protein bioinformatics
  • Genomics and proteomics

Background:

  • Maize protein EMB564 belongs to the group 1 late embryogenesis abundant (LEA) protein family.
  • The precise molecular functions of group 1 LEA proteins are not well understood.

Purpose of the Study:

  • To determine the molecular function of maize protein EMB564 using computational analysis.
  • To assign a functional role to EMB564 within the maize proteome.

Main Methods:

  • Utilized five different computational predictors (CELLO, Plant-mPLoc, WoLF PSORT, Predotar, TargetP) for nuclear localization prediction.
  • Performed homology analysis to identify related protein families (DNA/RNA helicases, single-stranded DNA-binding proteins).
  • Generated and analyzed the three-dimensional (3D) model of EMB564 for structural resemblance to known proteins.

Main Results:

  • EMB564 was consistently predicted as a nuclear-localized protein by all computational tools.
  • Sequence analysis revealed remote homology with DNA/RNA helicases and single-stranded DNA-binding proteins, indicating potential DNA/RNA binding sites.
  • The 3D model of EMB564 structurally aligns with nuclear proteins involved in cell division, chromosomal replication, and DNA repair/unwinding.

Conclusions:

  • Maize protein EMB564 is computationally predicted to function within the cell nucleus.
  • EMB564 likely possesses DNA/RNA binding capabilities, potentially playing a role in nuclear processes such as DNA replication or repair.