PROTEIN STRUCTURE AND ENGINEERING

Identify the catalytic traid of chymotrypsin

• His 52, Asp 112, Ser 195

• His 57, Asp 103, Ser 195

• His 52, Asp 102, Ser 195

• His 57, Asp 102, Ser 195

Which among is a non covalent interaction?

• Disulphide bond

• Hydrogen bond

• Peptide bond

• Plycosidic bond

SCID stands for

• Severe combined immuno deficiency

• Severe combined immuno defect

• Severe child immuno deficiency

• Severe child immuno defect

Serine protease are

• Protein with charged serine in its chain

• Enzyme without serine

• Enzyme with negetively charged serine at its active site

• Enzyme with negetively charged proline at its active site

What are prions?

• Rogue proteins

• unfolded protein

• causes "mad cow" disease

• All of these

NMR used for

• Deducing the structure of proteins in solution

• identifying the location of proteins in a mixture

• detecting the presence of proteins in solution

• None of these

Which among is not an application of nutraceutical proteins?

• Whipping

• Gelation

• Fermentation

• None of these

Who predicted that Hb and Sc Hb are differed in charged amino acids

• V M Ingram

• O farrel

• Sanger

• Linus Pauling

Who invented Peptide mapping

• Linus Pauling

• V M Ingram

• Sanger

• Max Perutz

Identidy the molecular difference in between Sc Hb and Hb

• Sc Hb have Valine in place of Glutamic acid at 6th position in Beta chain

• Hb have Valine in place of Glutamic acid at 6th position in Beta chain

• Sc Hb have Glutamic acid in place of Valine at 6th position in Beta chain

• Sc Hb have Glutamic acid in place of Valine at 6th position in aplha chain