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Conformational map

Conformational map --> ramachandran plot

a graphical representation in which the dihedral angle of rotation about the alpha-carbon to carbonyl-carbon bond in polypeptides is plotted against the dihedral angle of rotation about the alpha-carbon to nitrogen bond.

Synonym: conformational map.

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Re: Why is ATP rather than GTP, CTP or TTP the energy currency?

... bond formations can proceed ` faster rate with ATP ` without any concern for error in 3 dimensional structure of the protein .. GTP is coupled to conformational changes of translational machinery. GTP important for making reactions ` irreversible but accurate` GTP is important for fidelity of ...

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by metingun2
Sun Oct 06, 2013 11:53 am
Forum: Molecular Biology
Topic: Why is ATP rather than GTP, CTP or TTP the energy currency?
Replies: 6
Views: 9681

Vaccine for HIV

... viruses. Furthermore, the functionally important epitopes of the gp120 protein are masked by glycosylation, trimerisation and receptor-induced conformational changes making it difficult to block with neutralising antibodies. The ineffectiveness of previously developed vaccines primarily stems ...

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by suzidoc8
Mon Jul 23, 2012 2:47 pm
Forum: Microbiology
Topic: Vaccine for HIV
Replies: 1
Views: 10348

question regarding the Bohr effect and Haldane effect

... curve to the right. Protons (H+) cause the Bohr effect by binding to a respiratory pigmentat at a specific site...Proton binding causes a conformational change in the respiratory pigment protein that alters its oxygen affinity." ? would It be accurate to view the two as the same process ...

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by Thonzo
Tue Mar 29, 2011 1:29 pm
Forum: Cell Biology
Topic: question regarding the Bohr effect and Haldane effect
Replies: 0
Views: 1863

Re: Muscle Contractions

... (second messenger). The myosin fibers (on actin) are blocked by tropomyosin which is anchored by troponin. Ca2+ binds to troponin causing a conformational change thus moving tropomyosin allowing the myosin binding site to become open. These binding sites form a cross bridge with actin with ...

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by Jpoley
Tue Mar 01, 2011 2:42 am
Forum: Human Biology
Topic: Muscle Contractions
Replies: 1
Views: 7862

Protein bonding(antigens)

... or protein is the three-dimensional arrangement of the atoms within a single polypeptide chain. For a polypeptide consisting of a single conformational folding pattern (e.g., an alpha helix only), the secondary and tertiary structure may be one and the same. Also, for a protein composed ...

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by biobitch
Tue May 25, 2010 4:37 am
Forum: Molecular Biology
Topic: Protein bonding(antigens)
Replies: 8
Views: 11277
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