Explain Homology modelling?



Explain Homology modelling?..

Answer / anubrata das

if the crystal structure of any protein is unavailable,
then one can use the tools of homology modelling to
determine the structure. the logic is that a similar
structure arises becuse of a similar sequence of amino
acids. for homology modelling to be accurate an identity
match of 70% is desirable.basically, one does a FASTA
search of A.A sequences in the PDB database (A.A sequences
whose structures are known), does a CLUSTAL alignment to
check for conserved residues. then the structure of the
unknown A.A sequence is built up on the basis of the
structure of the best matches in FASTA and CLUSTAL by
programs like LLOOP and HHPRED. this structure can be
visualized in programs like DEEPVIEW,Protein Explorer
etc.the EXPASY proteomics server is a good site to begin
with - http://swissmodel.expasy.org/

Is This Answer Correct ?    8 Yes 0 No

Post New Answer

More Bio Informatics Interview Questions

A solid is completely immersed in liquid. The force exerted by the liquid on the solid will (a) Increase if it is pushed deeper inside the liquid (b) Change if its orientation is changed (c) Decrease if it is taken partially out of the liquid (d) None of the above.

3 Answers   Wipro,


The shape of a spot of light produced when bright sunshine passes perpendicular through a hole of very small size is (a) Square, because the hole is a square (b) Round, because it is an image of the sun (c) Round with a small penumbra around it (d) Square with a small penumbra.

1 Answers   Wipro,


A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?

5 Answers   Infosys, Wipro,


How to find flanking region ?

0 Answers  


What are oesophageal molecular markers?

0 Answers  






What is the Equation for cell diffusion?

1 Answers  


what is an active ? (UML)

0 Answers  


what is Glycomics?

1 Answers  


Did integral membrane transport proteins arise as an independent protein class or from other types of proteins?

0 Answers  


Can DeCypher be used for protein struc-ture modeling?

0 Answers  


what is a qi number?

0 Answers  


Explain about the mass number of nuclear?

0 Answers  


Categories