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Protein-X has a calcium (Ca²+)-binding regulatory subunit. Upon calcium (Ca²+) binding the protein changes its own conformation resulting in the conformation change of protein-Y. As a result of this calcium (Ca²+)-dependent protein-X mediated conformational change protein-Y exposes the myosin II head binding sites on the skeletal muscle actin filaments. Identify the protein-X and protein-Y from the following choices. O Protein-X: Troponin; Protein-Y: Tropomysosin O Protein-X: Tropomodulin; CapZ O Protein-X: Nebulin; Protein-Y: Titin Protein-X: Tropomysosin; Protein-Y: Tropomodulin

Protein-X has a calcium (Ca²+)-binding regulatory subunit. Upon calcium (Ca²+) binding the protein changes its own conformation resulting in the conformation change of protein-Y. As a result of this calcium (Ca²+)-dependent protein-X mediated conformational change protein-Y exposes the myosin II head binding sites on the skeletal muscle actin filaments. Identify the protein-X and protein-Y from the following choices. O Protein-X: Troponin; Protein-Y: Tropomysosin O Protein-X: Tropomodulin; CapZ O Protein-X: Nebulin; Protein-Y: Titin Protein-X: Tropomysosin; Protein-Y: Tropomodulin

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Calcium-Dependent Protein Conformation in Muscle Fibers** Protein-X has a calcium (Ca²⁺)-binding regulatory subunit. Upon calcium (Ca²⁺) binding, the protein changes its own conformation, resulting in the conformation change of protein-Y. As a result of this calcium (Ca²⁺)-dependent Protein-X mediated conformational change, protein-Y exposes the myosin II head binding sites on the skeletal muscle actin filaments. Identify Protein-X and Protein-Y from the following choices: - ○ Protein-X: Troponin; Protein-Y: Tropomyosin - ○ Protein-X: Tropomodulin; CapZ - ○ Protein-X: Nebulin; Protein-Y: Titin - ○ Protein-X: Tropomyosin; Protein-Y: Tropomodulin
Transcribed Image Text:**Calcium-Dependent Protein Conformation in Muscle Fibers** Protein-X has a calcium (Ca²⁺)-binding regulatory subunit. Upon calcium (Ca²⁺) binding, the protein changes its own conformation, resulting in the conformation change of protein-Y. As a result of this calcium (Ca²⁺)-dependent Protein-X mediated conformational change, protein-Y exposes the myosin II head binding sites on the skeletal muscle actin filaments. Identify Protein-X and Protein-Y from the following choices: - ○ Protein-X: Troponin; Protein-Y: Tropomyosin - ○ Protein-X: Tropomodulin; CapZ - ○ Protein-X: Nebulin; Protein-Y: Titin - ○ Protein-X: Tropomyosin; Protein-Y: Tropomodulin
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