BIOCHEMISTRY
8th Edition
ISBN: 9781319296186
Author: BERG
Publisher: MAC HIGHER
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Chapter 6, Problem 3P
Interpretation Introduction
Interpretation:
The alignment that has a higher score according to identity-based alignment scoring.
Concept introduction:
Identity−based alignment scoring is a method to score the identical alignments present in a sequence. The identical amino acids are added while the gaps in the sequence are subtracted to determine the identical score.
Interpretation Introduction
(b)
Interpretation:
The alignment that has a higher score according to the Blosum -62 substitution method.
Concept introduction:
Blosum-62 is a type of substitution matrix that is used to score the replacement of amino acids. A positive score of substitution matrix indicates that substitution of amino acid occurs more frequently while a negative score is rare for substitutions.
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Please help with this Mass Spectrometry Question. Thank you
For the mass spec. shown in the attached image, please determine and give the amino acid sequence of the pentapeptide. Show which end is the amino terminus and which is the carboxy terminus. How does one arrive at the solution?
Draw a tripeptide of your choosing at pH 7. Have the N-terminus on the left and the C-terminus on the right. Then:
Draw a triangle around the α-carbons.
Draw a box around the R-groups.
Circle the atoms capable of hydrogen bonding.
Highlight the atoms involved in the formation of the peptide bonds.
What type of structure have you drawn? (primary, secondary, tertiary or quaternary protein structure).
2. For the flow of fluid over a flat membrane of length 10cm,
determine the length-average mass transfer coefficient. The
relevant properties of the system are u=0.01cm²/s, D=5 x 106
cm²/s, and v = 5.0 cm/s.
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