A lysine is on the surface of a protein near an arginine, how does this alter pKa of lysine

Q: A lysine is on the surface of a protein, near an aspartate. How does the aspartate alter the pKa of…

A: The pKa of an amino acid's side chain determines whether it is protonated (+) or deprotonated (-)…

Q: peptide bond formation is catalizyed at the larger ribosomal subunit. does this happend in…

A: Translation includes three phases: initiation, elongation, and termination. Initiation is a phase in…

Q: Which of the following is the LEAST likely ER signal sequence? All sequences are written with their…

A: ER signal sequences are amino acid sequences in proteins that direct protein transport to the…

Q: the peptide (written N-terminal to C-terminal) represented by Ala-Ser-Ala-Tyr the same as the…

A: Ans. Yes, the polypeptide chain of amino acid will be Similarly in structure and function whether it…

Q: How can the two tight junction strands remain even after the disappearance of claudin-4 caused due…

A: Tight junctions are the structures present between some animal cells to prevent the leakage of…

Q: In the case of the bacterial two-Na+/one-leucine symporter, what is the key distinguishing feature…

A: Bacterial two-Na+/ one-leucine symporter consists of 12 membrane-spanning α helices. The leucine…

Q: A shortened version (apo B-48) of apolipoprotein B is formed by the intestine, whereas the…

A: Chylomicrons are a type of lipoprotein particles made up of phospholipids, cholesterol, proteins,…

Q: The 20 different amino acids in the protein are normally coded by ------ nucleotides. * 60 61 62 63

A: Nucleotides are building blocks of nucleic acids. Three mRNA nucleotides present together are known…

Q: High salt concentrations tend to cause protein aggregation. Suggest a way to identify proteins…

A: Introduction: Small, microscopic organisms are well-defined and usually described as known as…

Q: What secondary structures are most prevalent in SHBG protein?

A: SHBG protein stands for sex hormone-binding globulin protein.

Q: Some years ago, it was suggested that the function of the poly(A) tail on a eukaryotic message may…

A: Polyadenylation is the one of the steps of the RNA processing method or post-transcriptional…

Q: What is the basic recognition motif to which a N-linked glycan is added? A.S/T-X-X B.KDEL…

A: Introduction N-linked Glycosylation (NLG) Is A Complicated Biosynthetic Process That Controls…

Q: Members of the integrin family are the major cell surface receptors for many ECM proteins such as…

A: Integrins are a family of αβ heterodimers. Integrins are cellular adhesion receptor molecules that…

Q: Sort the following events to reflect the order in which they should occur during vesicle docking…

A: Answer correct option (b) 3124 Vesicle have bounded Rab-GTP which interacts with Rab effector…

Q: What is mechanism of intein splicing to join P1 and P2 ? Which steps are reversible and which ones…

A: DNA is the genetic carrier that carries genetic information from one generation to another. DNA is…

Q: A mutation that changes an alanine to a leucine in the nucleus of a protein leads to a less active…

A: Introduction: Each organism's DNA sequence is unique. Its base-pairs sequence can change from time…

Q: Which amino acid residue is preferred at which position in the following peptide for cleavage by…

A: Amino acids are the monomers for the formation of proteins and peptides, they contain alpha or a…

Q: What amino acid residues are phosphorylated on the intracellular domain of a VEGFR? Glutamic Acid…

A: VEGFR: VEGF receptors are vascular endothelial growth factor receptors (VEGF). VEGFR is divided into…

Q: How would a mutation like R167Q within a protein such as Human yD Crystallin affect its function and…

A: A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA…

Q: A new protein is discovered that contains a pleckstrin homology domain. Which of the following…

A: Pleckstrin homology domain is a domain in protein and is made up of nearly 120 amino acids. It is…

Q: What will be the effect of mutation that turns lysine to arginine

A: The mutations occur in genomic DNA but they will reflect in the form of protein sequence and…

Q: For transmembrane proteins, either single-pass or multi-pass, the membrane spanning part of the…

A: Transmembrane proteins are the integral membrane proteins that help in transporting specific…

Q: N' C' = Polypeptide X d a b = SRP 5'- = translocator e Which region(s) of polypeptide X would bind…

A: Ribosomes refer to the site where the protein synthesis takes place. It comprises rRNA and protein.…

Q: Normally, a tRNA with the anticodon 3'-UUA-5' would be connected to which amino acid? Asn Oleu Asp…

A: T-RNA resembles a clover leaf or an inverted L in form. It contains complimentary nucleotides to…

Q: The following sequence is a portion of the N-terminus of the ACE2 receptor.  The secondary structure…

A: Each amino acid has a different property.

Q: This is Fos-Jun dimer (1FOS). Is the leucine zipper at the C-terminus or at the N-terminus of the…

A: Fos-jun family proteins are a class of proteins that belong to a large group of DNA binding proteins…

Q: Which of the following sequences represents a recognition site for N-linked glycosylation where X is…

A: N-linked glycosylation, is the attachment of an oligosaccharide,  sometimes also referred to as…

Q: The PAM1 matrix penalizes mismatching amino acids more than higher numbered PAM matrices. Explain…

A: PAM (POINT ACCEPTED MATRIX) indicates the probability of a mutation of an amino acid in a given…

Q: There was a study done (Isabel, et al.) on structural analysis of SARS-CoV-2 spike protein. The…

A: Hydrophobic groups are non-polar. These have a very low affinity with the polar groups. However,…

Q: A lysine is burined inside a protein surrounded by hydrophobic resiudes, how does this affect the…

A: Answer :- The behavior of amino acid residues within a protein is profoundly influenced by their…

Q: Identify the various secondary structures in the β1 immunoglobulin-binding domain of protein G…

A: The secondary structure of the protein predominantly contains the alpha-helix and the beta-sheet. In…

Q: Erk and P-Erk live in two different locations within the cell even though they are just two…

A: * Mitogen activated protein kinase also called as  MAPK and  p42MAPK, and ERK2 * It is an enzyme…

Q: A number of fragments that will be formed by cleaving the peptide Met-Ala-Lys-Met-Arg-Phe-Met-An by…

A: Proteins are one of the macromolecules present in the body. They provide structural support,…

Q: What amino acid would a tRNA with anticodon CUA carry? Enter the 3 letter code only [A]. [e.g. Met…

A: tRNA stands for the transfer RNA and it has L- shaped structure . Transfer RNA acts as an adopter…

Q: Why is the euchromatic region or light bands in G banding rich in Guanine and cytosine? And why is…

A: euchromatic region or light bands in G banding rich in G C while dark region rich in AT.

Q: You are studying how your Lys-Val-Thr tripep de interacts with another pep de, which places an Asp…

A: Eventhough all ionizable groups have their characteristic pKa value, the pKa value of an ionizable…

Q: pH @1 of Cys-His-Glu-Met-Ile-Ser-Thr-Arg-Tyr

A: Peptides are organic compounds made up of amino acids connected by peptide bonds. The specific…

Q: Normally, a tRNA with the anticodon 3'-GAC-5' would be connected to which amino acid? Asn Leu Asp…

A: The shape of t-RNA is similar to a clover leaf or an inverted L. It has nucleotides in its anticodon…

Q: Sickling occurs in deoxyhemoglobin S but not in oxyhemoglobin S. Oxyhemoglobin has a small,…

A: Sickling is the process where the haemoglobin protein inside the RBC cell clumps together this…

Q: How can widely separated parts of a protein interact with the spike protein

A: Spike proteins are glycoproteins that are present on the surfaces of the enveloped viruses of many…