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Homology Modeling
(I-TASSER, Phyre2)
Presented to: Dr Afshan Kaleem
Presented by: Wafa Gulzar
Homology Modeling:
Homology Modeling refers to constructing an atomic resolution model
of the target protein from its amino acid sequence and an experimental
three dimensional structure of a related homologous protein, the
template.
Steps:
Find Template
Align Sequences
Build Model
Evaluate Model
I-TASSER
Is a server that provides an Internet-based service for
protein structure prediction. It was found to be one of
the best methods in the servers section of CASP
experiments.
Results Prediction:
Phyre2
This modeling uses various detection tools to generate
3D structures. It has special features like ligand binding
prediction and variant analysis among the protein
amino acid sequence.
References:
• Muhammed, M. T., & Aki‐Yalcin, E. (2019). Homology modeling in drug discovery:
Overview, current applications, and future perspectives. Chemical biology & drug
design, 93(1), 12-20.
• Kelley, L. A., Mezulis, S., Yates, C. M., Wass, M. N., & Sternberg, M. J. (2015). The
Phyre2 web portal for protein modeling, prediction and analysis. Nature
protocols, 10(6), 845-858.

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Homology Modelling.pptx

  • 1. Homology Modeling (I-TASSER, Phyre2) Presented to: Dr Afshan Kaleem Presented by: Wafa Gulzar
  • 2. Homology Modeling: Homology Modeling refers to constructing an atomic resolution model of the target protein from its amino acid sequence and an experimental three dimensional structure of a related homologous protein, the template.
  • 4. I-TASSER Is a server that provides an Internet-based service for protein structure prediction. It was found to be one of the best methods in the servers section of CASP experiments.
  • 5.
  • 6.
  • 7.
  • 8.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16. Phyre2 This modeling uses various detection tools to generate 3D structures. It has special features like ligand binding prediction and variant analysis among the protein amino acid sequence.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26. References: • Muhammed, M. T., & Aki‐Yalcin, E. (2019). Homology modeling in drug discovery: Overview, current applications, and future perspectives. Chemical biology & drug design, 93(1), 12-20. • Kelley, L. A., Mezulis, S., Yates, C. M., Wass, M. N., & Sternberg, M. J. (2015). The Phyre2 web portal for protein modeling, prediction and analysis. Nature protocols, 10(6), 845-858.