tropomyosin

tro·po·my·o·sin

T0380425 (trō′pə-mī′ə-sĭn, trŏp′ə-)n. A protein that binds to and stabilizes actin filaments in cells. In skeletal and cardiac muscle cells, tropomysin is released after interacting with troponin and calcium, facilitating the binding of actin to myosin that causes muscle contraction.

tropomyosin

(ˌtrɒpəʊˈmaɪəsɪn) na protein in muscle tissue that works with troponin to control the process by which actin and myosin interact to produce muscle contraction

Tropomyosin

tropomyosin

[‚träp·ə′mī·ə·sən] (biochemistry) A muscle protein similar to myosin and implicated as being part of the structure of the Z bands separating sarcomeres from each other.

Tropomyosin

a protein constituent of muscle myofibrils. Tropomyosin A, or paramyosin, is insoluble in water, in contrast to water-soluble tropomyosin B. Paramyosin is found in the muscles of mollusks and of some arthropods, where it is believed to occupy the center of thick myosin fibers. Tropomyosin B, actin, and myosin are the principal proteins of skeletal muscles and constitute about 11 percent of myofibril protein. Tropomyosin B is a constituent of the thin fibers of I disks (isotropic disks).

tropomyosin

enUK

tropomyosin

[tro″po-mi´o-sin] a muscle protein of the I band that inhibits contraction by blocking the interaction of actin and myosin, except when influenced by troponin.

tro·po·my·o·sin

(trō'pō-mī'ō-sin), A fibrous protein extractable from muscle; sometimes specified as tropomyosin B to distinguish it from tropomyosin A (paramyosin) prominent in mollusks.

tropomyosin

(trō′pə-mī′ə-sĭn, trŏp′ə-)n. A protein that binds to and stabilizes actin filaments in cells. In skeletal and cardiac muscle cells, tropomysin is released after interacting with troponin and calcium, facilitating the binding of actin to myosin that causes muscle contraction.

tro·po·my·o·sin

(trō'pō-mī'ŏ-sin) A fibrous protein extractable from muscle; sometimes specified as tropomyosin B to distinguish it from tropomyosin A (paramyosin) prominent in mollusks.

tropomyosin

A regulatory protein in striated muscle concerned with the binding sites for the cross bridges on thin filaments in the SARCOMERE. Tropomyosin reversibly prevents bonding, thereby preventing muscles form being in a continuous state of contraction.

tropomyosin

a long protein molecule found in the grooves of muscle ACTIN filaments. It inhibits muscle contraction by blocking the interaction between the filaments and MYOSIN.

单词	tropomyosin
释义	tropomyosin enUK tro·po·my·o·sin T0380425 (trō′pə-mī′ə-sĭn, trŏp′ə-)n. A protein that binds to and stabilizes actin filaments in cells. In skeletal and cardiac muscle cells, tropomysin is released after interacting with troponin and calcium, facilitating the binding of actin to myosin that causes muscle contraction. tropomyosin (ˌtrɒpəʊˈmaɪəsɪn) na protein in muscle tissue that works with troponin to control the process by which actin and myosin interact to produce muscle contraction Tropomyosin enUK tropomyosin [‚träp·ə′mī·ə·sən] (biochemistry) A muscle protein similar to myosin and implicated as being part of the structure of the Z bands separating sarcomeres from each other. Tropomyosin a protein constituent of muscle myofibrils. Tropomyosin A, or paramyosin, is insoluble in water, in contrast to water-soluble tropomyosin B. Paramyosin is found in the muscles of mollusks and of some arthropods, where it is believed to occupy the center of thick myosin fibers. Tropomyosin B, actin, and myosin are the principal proteins of skeletal muscles and constitute about 11 percent of myofibril protein. Tropomyosin B is a constituent of the thin fibers of I disks (isotropic disks). tropomyosin enUK tropomyosin [tro″po-mi´o-sin] a muscle protein of the I band that inhibits contraction by blocking the interaction of actin and myosin, except when influenced by troponin. tro·po·my·o·sin (trō'pō-mī'ō-sin), A fibrous protein extractable from muscle; sometimes specified as tropomyosin B to distinguish it from tropomyosin A (paramyosin) prominent in mollusks. tropomyosin (trō′pə-mī′ə-sĭn, trŏp′ə-)n. A protein that binds to and stabilizes actin filaments in cells. In skeletal and cardiac muscle cells, tropomysin is released after interacting with troponin and calcium, facilitating the binding of actin to myosin that causes muscle contraction. tro·po·my·o·sin (trō'pō-mī'ŏ-sin) A fibrous protein extractable from muscle; sometimes specified as tropomyosin B to distinguish it from tropomyosin A (paramyosin) prominent in mollusks. tropomyosin A regulatory protein in striated muscle concerned with the binding sites for the cross bridges on thin filaments in the SARCOMERE. Tropomyosin reversibly prevents bonding, thereby preventing muscles form being in a continuous state of contraction. tropomyosin a long protein molecule found in the grooves of muscle ACTIN filaments. It inhibits muscle contraction by blocking the interaction between the filaments and MYOSIN. See TPM See TPM
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