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Histidine an amino acid and Histamine a hormone (allergic reaction response) shown with the Schroeder Diamonds is easy to see the distinctions of both molecules! (less)

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I updated the Amino Acids using the Schroeder Diamonds (the carbon with the significant chemical character that we focus on-the one holding the -R side groups off the amino acid backbone... Amino Acids have a three letter designation and a single letter one (I like the three letter myself). So the acids are really ionized to the carboxyl-ATE in a biological environment = aqueous=WATER like the cells... Alanine with just a methyl group is the most common Amino acid (used for structure away from water so usually on the INSIDE of a protein) see www.ScienceIsGOlden.com for more.. (less)

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There's the Ammonia Alien at the beginning is isoLeucine and the peptide bonds that make amino acid chain.Proline lysine C STAR Memorial Lecture Histidine NOT HIST__O__line (less)

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Histidine electrode mems test. (less)

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I mispelled Hist-i-dine with an "a" for the amino acid and the -amine is actually what's the result for the enzyme ON the amino acid (histiDINE to make histAMINE)...so now we can see the difference and COMPARE that's how you learn is by comparing and the Schroeder Diamonds and colors make that possible for even little kids! This is an early drawing so again it shows how the process was developed with the shapes... nitrogen went to be the right angle and the alien electron pair so you can draw these better than I did here...histamine is the molecule that tells tissues to swell up in response to an allergen like hay fever sneezing so anti-histamines take that away but leave you drowsy (so mimics another molecule in brain chemistry huh!? Good Luck! (less)

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"Schroeder Diamonds" are the carbon atoms and makes it really easy to draw carbon compounds like amino acids. THis is an excercise to use scrap paper in the classroom and make a protein chain so the protein backbones line up and the side-chains hang down. A great excercise for classrooms or science centers or even art class?) I'm proud to say that ALL YOU NEED ARE THE FOUR COLORED SHAPES! BLACK Carbon DIAMONDS, BLUE Nitrogen TRIANGLES, GREEN Oxygen CIRCLES and RED Hydrogen DOTS!(well sulfur is another yellow but only two have sulfur) So you can tape these and string them across the classroom! A fun Excercise for any age (I learned from doing this!)-You can also write the character of the AA (polar, electrically charged, aliphatic, etc.) You can write them on the back and cut them out too! THe Ammonia AlienC-STAR Memorial Lecture. (C-STAR was a 7 yr old Siberian Husky that taught Space Science). ISPELLED HISTIDINE WITH AN "O" DUH! (less)

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The basic structures and functions of the amino acid histidine and its decarboxylated form histamine (less)

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For more information, please see www.willowgarage.com (less)

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Για να μη σας τη δίνει η ιστιδίνη!!! χα χα! Greek joke!!! (less)

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This course is part of a series taught by Kevin Ahern at Oregon State University on General Biochemistry. For more information about online courses go to ecampus.oregonstate.edu www.youtube.com 1. Myoglobin and hemoglobin are related proteins involved in (respectively) storing and carrying oxygen in the body. 2. Myoglobin is a single subunit protein with high affinity for oxygen. It holds oxygen tighter than hemoglobin and serves in a battery-like capacity in tissues to release oxygen when tissue oxygen concentration is very low. Myoglobin can take oxygen from hemoglobin. 3. Hemoglobin is a four-subunit protein complex (two alpha subunits and two beta subunits) that serves to carry oxygen from the lungs to the tissues where it is needed. Hemoglobin is genetically related to myoglobin and is evolutionarily derived from it. 4. Myoglobin and hemoglobin both have porphyrin rings (like in chlorophyll) to hold ferrous (Fe++) iron. The specific porphyrin in these proteins is Protoporphyrin IX. Ferrous iron is the form of iron involved in carrying oxygen. Ferric iron (Fe+++), which is the oxidized form of iron will not carry oxygen. Heme is a term used to describe the protoporphyrin IX complexed with iron. 5. The iron in hemoglobin and myoglobin is held in place by five molecules - four nitrogens of the protoporphyrin IX ring and a histidine (called the proximal histidine). Oxygen is carried between the iron and an additional histidine (called the distal histidine) not involved ... (less)

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Kevin Ahern of Oregon State University lecturing to his BB 350 class. See the full course at oregonstate.edu This course can be taken for credit (wherever you live) via OSU's ecampus. For details, see ecampus.oregonstate.edu Topics covered include catalysis catalysts enzymes enzyme concerted model sequential ATCase chymotrypsin trypsin cascade covalent modification phosphorylation serene threonine tyrosine glycogen phosphorylase ab peptide bond protease cleavage zymogen inactive mechanism serine protease catalytic triad aspartate histidine alkoxide (less)

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( www.abnova.com ) - Proteins with histidine tag can be purified and detected easily because the string of histidine residues binds to several types of immobilized metal ions, including nickel, cobalt and copper, under specific buffer conditions. This video provides generic protocol to purify 6xHis-tagged protein by Nickel nitrilotriacetic (Ni-NTA) sepharose. More videos at Abnova ( http ). (less)

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In this video we will share with you tips and tricks for getting the best out of HisTrap™ FF Crude column. HisTrap FF Crude column allows you to purify histidine-tagged proteins directly from unclarified lysates. For more information, refer to the instruction manual and checkout the link below: www.gelifesciences.com (less)

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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 ... (less)

Keywords: histidine organic chemistry biochemistry amino acids alanine isoleucine valine arginine lysine glycine histidine proline tyrosine acid base peptide protein pi ph total hydrolysis TAH sequencing proteolytic enzyme zwitterion

Simplify handling for small-scale sample preparation prior to protein analysis and characterization. This is an instruction video for His Mag Sepharose™ Ni protocol. His Mag Sepharose Ni products are magnetic beads designed for efficient, small-scale purification/screening of histidine-tagged proteins from different sources. Histidine-tagged proteins are captured using immobilized nickel ions followed by collection of the beads using a magnetic device. You can use magnetic beads to simplify sample handling during small-scale purification. www.gelifesciences.com (less)

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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 ... (less)

Keywords: histidine organic chemistry biochemistry amino acids alanine isoleucine valine arginine lysine glycine histidine proline tyrosine acid base peptide protein

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 ... (less)

Keywords: histidine organic chemistry biochemistry amino acids alanine isoleucine valine arginine lysine glycine histidine proline tyrosine acid base peptide protein

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 ... (less)

Keywords: histidine organic chemistry biochemistry amino acids alanine isoleucine valine arginine lysine glycine histidine proline tyrosine acid base peptide protein

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 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 ... (less)

Keywords: histidine organic chemistry biochemistry amino acids alanine isoleucine valine arginine lysine glycine histidine proline tyrosine acid base peptide protein pi ph total hydrolysis TAH sequencing proteolytic enzyme

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 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 ... (less)

Keywords: histidine organic chemistry biochemistry amino acids alanine isoleucine valine arginine lysine glycine histidine proline tyrosine acid base peptide protein pi ph total hydrolysis TAH sequencing proteolytic enzyme