5KHT
 
 | | Crystal structure of the N-terminal fragment of tropomyosin isoform Tpm1.1 at 1.5 A resolution | | Descriptor: | DI(HYDROXYETHYL)ETHER, Tropomyosin alpha-1 chain,General control protein GCN4 | | Authors: | Kostyukova, A.S, Krieger, I, Yoon, Y.-H, Tolkatchev, D, Samatey, F.A. | | Deposit date: | 2016-06-15 | | Release date: | 2017-06-21 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (1.4964 Å) | | Cite: | Structural destabilization of tropomyosin induced by the cardiomyopathy-linked mutation R21H.
Protein Sci., 27, 2018
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3MUD
 | | Structure of the Tropomyosin Overlap Complex from Chicken Smooth Muscle | | Descriptor: | 1,2-ETHANEDIOL, DNA repair protein XRCC4,Tropomyosin alpha-1 chain, SULFATE ION, ... | | Authors: | Klenchin, V.A, Frye, J, Rayment, I. | | Deposit date: | 2010-05-02 | | Release date: | 2010-06-23 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Structure of the tropomyosin overlap complex from chicken smooth muscle: insight into the diversity of N-terminal recognition .
Biochemistry, 49, 2010
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8EFH
 | | Helical reconstruction of the human cardiac actin-tropomyosin-myosin complex in complex with ADP-Mg2+ | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha cardiac muscle 1, ... | | Authors: | Doran, M.H, Lehman, W, Rynkiewicz, M.J. | | Deposit date: | 2022-09-08 | | Release date: | 2023-01-11 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (3.3 Å) | | Cite: | Conformational changes linked to ADP release from human cardiac myosin bound to actin-tropomyosin.
J.Gen.Physiol., 155, 2023
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8EFI
 | | Helical reconstruction of the human cardiac actin-tropomyosin-myosin complex in the rigor form | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha cardiac muscle 1, ... | | Authors: | Doran, M.H, Lehman, W, Rynkiewicz, M.J. | | Deposit date: | 2022-09-08 | | Release date: | 2022-11-23 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (3.4 Å) | | Cite: | Myosin loop-4 is critical for optimal tropomyosin repositioning on actin during muscle activation and relaxation.
J.Gen.Physiol., 155, 2023
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8ENC
 | | Helical reconstruction of the human cardiac actin-tropomyosin-myosin loop 4 7G mutant complex | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha cardiac muscle 1, ... | | Authors: | Doran, M.H, Lehman, W, Rynkiewicz, M.J. | | Deposit date: | 2022-09-29 | | Release date: | 2022-11-23 | | Last modified: | 2024-06-19 | | Method: | ELECTRON MICROSCOPY (3.6 Å) | | Cite: | Myosin loop-4 is critical for optimal tropomyosin repositioning on actin during muscle activation and relaxation.
J.Gen.Physiol., 155, 2023
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6X5Z
 | | Bovine Cardiac Myosin in Complex with Chicken Skeletal Actin and Human Cardiac Tropomyosin in the Rigor State | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha skeletal muscle, ... | | Authors: | Doran, M.H, Lehman, W, Rynkiewicz, M.J, Bullitt, E. | | Deposit date: | 2020-05-27 | | Release date: | 2020-07-22 | | Last modified: | 2024-03-06 | | Method: | ELECTRON MICROSCOPY (4.24 Å) | | Cite: | Cryo-EM and Molecular Docking Shows Myosin Loop 4 Contacts Actin and Tropomyosin on Thin Filaments.
Biophys.J., 119, 2020
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6KN8
 | | Structure of human cardiac thin filament in the calcium bound state | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha skeletal muscle, ... | | Authors: | Fujii, T, Yamada, Y, Namba, K. | | Deposit date: | 2019-08-03 | | Release date: | 2020-01-15 | | Last modified: | 2024-03-27 | | Method: | ELECTRON MICROSCOPY (4.8 Å) | | Cite: | Cardiac muscle thin filament structures reveal calcium regulatory mechanism.
Nat Commun, 11, 2020
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7UTI
 | | ALTERNATIVE MODELING OF TROPOMYOSIN IN HUMAN CARDIAC THIN FILAMENT IN THE CALCIUM BOUND STATE | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha skeletal muscle, ... | | Authors: | Rynkiewicz, M.J, Pavadai, E, Lehman, W. | | Deposit date: | 2022-04-27 | | Release date: | 2022-09-21 | | Method: | ELECTRON MICROSCOPY (4.8 Å) | | Cite: | Protein-Protein Docking Reveals Dynamic Interactions of Tropomyosin on Actin Filaments.
Biophys J, 119, 2020
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6KN7
 | | Structure of human cardiac thin filament in the calcium free state | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha skeletal muscle, ... | | Authors: | Fujii, T, Yamada, Y, Namba, K. | | Deposit date: | 2019-08-03 | | Release date: | 2020-01-15 | | Last modified: | 2024-03-27 | | Method: | ELECTRON MICROSCOPY (6.6 Å) | | Cite: | Cardiac muscle thin filament structures reveal calcium regulatory mechanism.
Nat Commun, 11, 2020
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7UTL
 | | ALTERNATIVE MODELING OF TROPOMYOSIN IN HUMAN CARDIAC THIN FILAMENT IN THE CALCIUM FREE STATE | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Actin, alpha skeletal muscle, ... | | Authors: | Rynkiewicz, M.J, Pavadai, E, Lehman, W. | | Deposit date: | 2022-04-27 | | Release date: | 2022-09-21 | | Method: | ELECTRON MICROSCOPY (6.6 Å) | | Cite: | Protein-Protein Docking Reveals Dynamic Interactions of Tropomyosin on Actin Filaments.
Biophys J, 119, 2020
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6UT2
 | | 3D structure of the leiomodin/tropomyosin binding interface | | Descriptor: | Leiomodin-2, Tropomyosin alpha-1 chain chimeric peptide | | Authors: | Tolkatchev, D, Smith, G.E, Helms, G.L, Cort, J.R, Kostyukova, A.S. | | Deposit date: | 2019-10-29 | | Release date: | 2020-09-30 | | Last modified: | 2024-05-01 | | Method: | SOLUTION NMR | | Cite: | Leiomodin creates a leaky cap at the pointed end of actin-thin filaments.
Plos Biol., 18, 2020
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