The α-helix forms within a continuous strech of the polypeptide chain 5.4 Å rise, 3.6 aa/turn 1.5 Å/aa N-term C-term prototypical = -57 ψ = -47 - ppt download
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Structure of hemoglobin showing its alpha and beta subunits and the... | Download Scientific Diagram
Is this statement correct Alpha helix are formed in protein which single polypeptide chain and beta pleated sheet structure is - Zoology - - 16099261 | Meritnation.com
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Hemoglobin is a protein comprised of 4 polypeptide chains, each attached to a heme group composed of porphyrin and an iron atom Stock Photo - Alamy
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If 2 or more polypeptide chains are joined to form a beta-pleated sheet, why is this considered secondary structure rather than quaternary structure of a protein? - Quora
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The number of polypeptide chains present in a molecule of haemoglobin is:
