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Structure and function prediction
of unknown wheat protein using
LOMETS and I-TASSER

By:
Geetika Jethra
Senior Research Fellow (SRF)
Indian Agricultural Research
Centre
Page 1
In-silico analysis of proteins

A study was carried out to investigate the in-silico analysis of 2D and
3D structure prediction of protein with an unidentified structure and
function in Triticum aestivum.
Primary structure prediction and physicochemical were
characterization(PROTPARAM)
A high quality 3D structure and function of Wheat protein
(CAA35597.1) from NCBI has been predicted for the hypothetical amino
acid sequence using LOMETS (LOcal MEta-Threading-Server) and ITASSER (Iterative Threading Assembly Refinement) servers Page 2
Secondary structure of CAA35597.1

Tertiary structure of CAA35597.1

Page 3
Ramachandran plot showing
amino acids in allowed region

Page 4
Predicted
functions for
CAA35597.1

Page 5
In-silico analysis of proteins

The predicted structure was further analyzed and submitted
to Protein molecular database and got accepted.
Reference Details:
PMDBID: PM007754
Authors: - Jethra, G., Mishra, A.K., Pandey, P.S.
& Chandrasekhran, H.(2011)

Page 6
Future Aspects

•The predicted structure can further be validated by wet lab
experiments.
•Using the predicted cleavage site we can construct the resistant
variety
•The PDB file can be submitted to Protein Databases for homology
search
•Compare structures
Homologous
Mutants
With or without ligands
Page 7

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Structure and function prediction of unknown wheat protein using LOMETS and I-TASSER

  • 1. Structure and function prediction of unknown wheat protein using LOMETS and I-TASSER By: Geetika Jethra Senior Research Fellow (SRF) Indian Agricultural Research Centre Page 1
  • 2. In-silico analysis of proteins A study was carried out to investigate the in-silico analysis of 2D and 3D structure prediction of protein with an unidentified structure and function in Triticum aestivum. Primary structure prediction and physicochemical were characterization(PROTPARAM) A high quality 3D structure and function of Wheat protein (CAA35597.1) from NCBI has been predicted for the hypothetical amino acid sequence using LOMETS (LOcal MEta-Threading-Server) and ITASSER (Iterative Threading Assembly Refinement) servers Page 2
  • 3. Secondary structure of CAA35597.1 Tertiary structure of CAA35597.1 Page 3
  • 4. Ramachandran plot showing amino acids in allowed region Page 4
  • 6. In-silico analysis of proteins The predicted structure was further analyzed and submitted to Protein molecular database and got accepted. Reference Details: PMDBID: PM007754 Authors: - Jethra, G., Mishra, A.K., Pandey, P.S. & Chandrasekhran, H.(2011) Page 6
  • 7. Future Aspects •The predicted structure can further be validated by wet lab experiments. •Using the predicted cleavage site we can construct the resistant variety •The PDB file can be submitted to Protein Databases for homology search •Compare structures Homologous Mutants With or without ligands Page 7