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Posts Tagged ‘peptide’

“Okay, I’ve watched some of the videos and read articles, but I still am not sure. What is the difference between Amino Acids and Peptides?”

Check out the video on this page about cells.

I am fairly new to peptides but here but the first peptide I have listed is INSOLUBLE in water and the second is soluble in water, how can the addition of d-arg14 and d-arg15 for the two arginines, make the difference in water solubility?

(insoluble MGF): Tyr-Gln-Pro-Pro-Ser-Thr-Asn-Lys-Asn-Thr-Lys-Ser-Gln-D-Arg-D-Arg-Lys-Gly-Ser-Thr-Phe-Glu-Glu-His-Lys-NH2

(soluble MGF):
Tyr-Gln-Pro-Pro-Ser-Thr-Asn-Lys-Asn-Thr-Lys-Ser-Gln-Arg-Arg-Lys-Gly-Ser-Thr-Phe-Glu-Glu-Arg-Lys

Organic chemistry: Biochemistry. How to draw amino acids. Acid/base properties of amino acids. Finding net charge of amino acids and peptides (proteins) at a specified pH. Zwitterions; finding the pI of amino acids and peptides. Peptide (amide) bonds. Amino acid sequencing with partial digestion by proteolytic enzymes such as trypsin. Total acid hydrolysis (TAH) This is a recording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the amino acid table and a problem discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Nucleophilic attack of an amine on a carboxylic acid to form an amide (peptide) bond. How to draw amino acids—alanine, isoleucine (2) Valine, arginine, lysine, glycine, histidine (3) Proline, tyrosine (4) Acid/base properties of amino acids; how to determine net charge of an amino acid at varying pHs (5) Continued (6) Determining the net charge on an amino acid at a specified pH (arginine) (7) Continued. pI of an amino acid (8) Continued (9) Continued (10) Peptides; peptide (amide) bonds (11) Continued. pI of a peptide (12) Continued (13) Continued (histidine) (14) Continued (15) Amino acid …

Organic chemistry: Biochemistry. How to draw amino acids. Acid/base properties of amino acids. Finding net charge of amino acids and peptides (proteins) at a specified pH. Zwitterions; finding the pI of amino acids and peptides. Peptide (amide) bonds. Amino acid sequencing with partial digestion by proteolytic enzymes such as trypsin. Total acid hydrolysis (TAH) This is a recording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the amino acid table discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Nucleophilic attack of an amine on a carboxylic acid to form an amide (peptide) bond. How to draw amino acids—alanine, isoleucine (2) Valine, arginine, lysine, glycine, histidine (3) Proline, tyrosine (4) Acid/base properties of amino acids; how to determine net charge of an amino acid at varying pHs (5) Continued (6) Determining the net charge on an amino acid at a specified pH (arginine) (7) Continued. pI of an amino acid (8) Continued (9) Continued (10) Peptides; peptide (amide) bonds (11) Continued. pI of a peptide (12) Continued (13) Continued (histidine) (14) Continued (15) Amino acid sequencing with …

Organic chemistry: Biochemistry. How to draw amino acids. Acid/base properties of amino acids. Finding net charge of amino acids and peptides (proteins) at a specified pH. Zwitterions; finding the pI of amino acids and peptides. Peptide (amide) bonds. Amino acid sequencing with partial digestion by proteolytic enzymes such as trypsin. Total acid hydrolysis (TAH) This is a recording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the amino acid table discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Nucleophilic attack of an amine on a carboxylic acid to form an amide (peptide) bond. How to draw amino acids—alanine, isoleucine (2) Valine, arginine, lysine, glycine, histidine (3) Proline, tyrosine (4) Acid/base properties of amino acids; how to determine net charge of an amino acid at varying pHs (5) Continued (6) Determining the net charge on an amino acid at a specified pH (arginine) (7) Continued. pI of an amino acid (8) Continued (9) Continued (10) Peptides; peptide (amide) bonds (11) Continued. pI of a peptide (12) Continued (13) Continued (histidine) (14) Continued (15) Amino acid sequencing with …

Organic chemistry: Biochemistry. How to draw amino acids. Acid/base properties of amino acids. Finding net charge of amino acids and peptides (proteins) at a specified pH. Zwitterions; finding the pI of amino acids and peptides. Peptide (amide) bonds. Amino acid sequencing with partial digestion by proteolytic enzymes such as trypsin. Total acid hydrolysis (TAH) This is a recording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the amino acid table discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Nucleophilic attack of an amine on a carboxylic acid to form an amide (peptide) bond. How to draw amino acids—alanine, isoleucine (2) Valine, arginine, lysine, glycine, histidine (3) Proline, tyrosine (4) Acid/base properties of amino acids; how to determine net charge of an amino acid at varying pHs (5) Continued (6) Determining the net charge on an amino acid at a specified pH (arginine) (7) Continued. pI of an amino acid (8) Continued (9) Continued (10) Peptides; peptide (amide) bonds (11) Continued. pI of a peptide (12) Continued (13) Continued (histidine) (14) Continued (15) Amino acid sequencing with …

Organic chemistry: Biochemistry. How to draw amino acids. Acid/base properties of amino acids. Finding net charge of amino acids and peptides (proteins) at a specified pH. Zwitterions; finding the pI of amino acids and peptides. Peptide (amide) bonds. Amino acid sequencing with partial digestion by proteolytic enzymes such as trypsin. Total acid hydrolysis (TAH) This is a recording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the amino acid table discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Nucleophilic attack of an amine on a carboxylic acid to form an amide (peptide) bond. How to draw amino acids—alanine, isoleucine (2) Valine, arginine, lysine, glycine, histidine (3) Proline, tyrosine (4) Acid/base properties of amino acids; how to determine net charge of an amino acid at varying pHs (5) Continued (6) Determining the net charge on an amino acid at a specified pH (arginine) (7) Continued. pI of an amino acid (8) Continued (9) Continued (10) Peptides; peptide (amide) bonds (11) Continued. pI of a peptide (12) Continued (13) Continued (histidine) (14) Continued (15) Amino acid sequencing with …

Organic chemistry: Biochemistry. How to draw amino acids. Acid/base properties of amino acids. Finding net charge of amino acids and peptides (proteins) at a specified pH. Zwitterions; finding the pI of amino acids and peptides. Peptide (amide) bonds. Amino acid sequencing with partial digestion by proteolytic enzymes such as trypsin. Total acid hydrolysis (TAH) This is a recording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the amino acid table and a problem discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Nucleophilic attack of an amine on a carboxylic acid to form an amide (peptide) bond. How to draw amino acids—alanine, isoleucine (2) Valine, arginine, lysine, glycine, histidine (3) Proline, tyrosine (4) Acid/base properties of amino acids; how to determine net charge of an amino acid at varying pHs (5) Continued (6) Determining the net charge on an amino acid at a specified pH (arginine) (7) Continued. pI of an amino acid (8) Continued (9) Continued (10) Peptides; peptide (amide) bonds (11) Continued. pI of a peptide (12) Continued (13) Continued (histidine) (14) Continued (15) Amino acid …

Proteins are large organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino