B. For each of the following amino acid sequences in the protein, predict the most likely secondary structure. (Is it more likely to be part of an a- helix, B sheet, a reverse turn, etc.?) Explain why. "Note: Although you may use the DSSP algorithm (among others) to provide the prediction, you should still explain what features of the amino acid sequence make it more likely to be part of a type of secondary structure to receive full credit. 1: TNVVIKVC 2: SAIGKIQD 3: SETKCTLK 4: INLVRDLP 5: VLHSTQDL 6: KIADYNYK

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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B, C The equations are in the other page. Thanks
1. A recent preprint article e reported pre-clinical evaluations of an inactivated Newcastle disease virus (NDV) chimera stably expressing the
membrane-anchored form of the SARS-CoV-2 spike region (NDV-S) as a potent COVID-19 vaccine in mice and hamsters. To design the SF
Chimera, researchers combined the transmembrane domain and cytoplasmic tail of NDV F protein with the ectodomain of the SARS-CoV-2 S
region, whose sequence is as follows:
MGILPSPGMPALLSLVSLLSVLLMGCVAETGTQCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFAS
TEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKH
TPINLVRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRV
QPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCV
IAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGL
TGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNEVAVLYQDVNCTEVPVAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEHVNNS
YECDIPIGAGICASYQTQTNSPSGAGSVASQSIIAYTMSLGAENSVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDCTMYICGDSTECSNLLLQYGSFCTQLNRALTGIAV
EQDKNTQEVFAQVKQIYKTPPIKDFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAGTITSG
WTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDPPEAEVQIDRLIT
GRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYE
PQIITTDNTFVSSGNCDVVIGIVNNTVYDPLOPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGKYEQYIKGSGRENLYFQGGG
GSGYIPEAPRDGQAYVRKDGEWVLLSTFLGHHHHHHHH
A. Using the equation on Slide 5.3 of Module 1, Lesson 2, calculate the extinction coefficient (without disulfıdes, in Mcm 1) at 280 nm
for this protein. Show all of your work.
B. For each of the following amino acid sequences in the protein, predict the most likely secondary structure. (Is it more likely to be part
of an a- helix, ß sheet, a reverse turn, etc.?) Explain why.
"Note: Although you may use the DSSP algorithm (among others) to provide the prediction, you should still explain what features of the amino
acid sequence make it more likely to be part of a type of secondary structure to receive full credit.
1: TNVVIKVC
2: SAIGKIQD
3: SETKCTLK
4: INLVRDLP
5: VLHSTQDL
6: KIADYNYK
C. If you wanted to covalently attach a single fluorescent label to this protein, what are two types of reagents would you use? Be sure to
give specific examples, provide details about the chemical mechanism, and explain your choice.
Transcribed Image Text:1. A recent preprint article e reported pre-clinical evaluations of an inactivated Newcastle disease virus (NDV) chimera stably expressing the membrane-anchored form of the SARS-CoV-2 spike region (NDV-S) as a potent COVID-19 vaccine in mice and hamsters. To design the SF Chimera, researchers combined the transmembrane domain and cytoplasmic tail of NDV F protein with the ectodomain of the SARS-CoV-2 S region, whose sequence is as follows: MGILPSPGMPALLSLVSLLSVLLMGCVAETGTQCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFAS TEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKH TPINLVRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRV QPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCV IAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGL TGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNEVAVLYQDVNCTEVPVAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEHVNNS YECDIPIGAGICASYQTQTNSPSGAGSVASQSIIAYTMSLGAENSVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDCTMYICGDSTECSNLLLQYGSFCTQLNRALTGIAV EQDKNTQEVFAQVKQIYKTPPIKDFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAGTITSG WTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDPPEAEVQIDRLIT GRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYE PQIITTDNTFVSSGNCDVVIGIVNNTVYDPLOPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGKYEQYIKGSGRENLYFQGGG GSGYIPEAPRDGQAYVRKDGEWVLLSTFLGHHHHHHHH A. Using the equation on Slide 5.3 of Module 1, Lesson 2, calculate the extinction coefficient (without disulfıdes, in Mcm 1) at 280 nm for this protein. Show all of your work. B. For each of the following amino acid sequences in the protein, predict the most likely secondary structure. (Is it more likely to be part of an a- helix, ß sheet, a reverse turn, etc.?) Explain why. "Note: Although you may use the DSSP algorithm (among others) to provide the prediction, you should still explain what features of the amino acid sequence make it more likely to be part of a type of secondary structure to receive full credit. 1: TNVVIKVC 2: SAIGKIQD 3: SETKCTLK 4: INLVRDLP 5: VLHSTQDL 6: KIADYNYK C. If you wanted to covalently attach a single fluorescent label to this protein, what are two types of reagents would you use? Be sure to give specific examples, provide details about the chemical mechanism, and explain your choice.
Equations
Side S.3.
Ea80 (M-' cm-1) =
= (5500 x nerp) + 1470 x nar) t (125 + nos)
Şide li10
R- COOH = RC00 + Ht
K = [RCO0] + [H*]
[RCOO H]
K
X acidic
[H*]
%3D
[H*]
[H*]
Slide 1.8
pI = ţ Cpk; + pK;)
pl
(pkit pka)
I (pke
+ pKz)
Transcribed Image Text:Equations Side S.3. Ea80 (M-' cm-1) = = (5500 x nerp) + 1470 x nar) t (125 + nos) Şide li10 R- COOH = RC00 + Ht K = [RCO0] + [H*] [RCOO H] K X acidic [H*] %3D [H*] [H*] Slide 1.8 pI = ţ Cpk; + pK;) pl (pkit pka) I (pke + pKz)
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