7tj7

Cardiac thin filament decorated with C1 Ig-domain and regulatory M-domain of cardiac myosin binding protein C (cMyBP-C)

Method: ELECTRON MICROSCOPY Dmax: 203.9 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

cardiac actin

OrganismNot specified

UniProt A0A4X1UMF3

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 22 PDB declaration: 22-meric(22) Consistent with protein copy count Chain A; UniProt 57–431 Chain B; UniProt 57–431 Chain C; UniProt 57–431 Chain D; UniProt 57–431 Chain E; UniProt 57–431 Chain F; UniProt 57–431 Not recorded Myosin-binding protein C, cardiac-type × 12 (Q14896) tropomyosin model × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 8.00 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A4X1UMF3_PIG
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–375; UniProt 57–431 Author chain B; PDBConstruct 1–375; UniProt 57–431 Author chain C; PDBConstruct 1–375; UniProt 57–431 Author chain D; PDBConstruct 1–375; UniProt 57–431 Author chain E; PDBConstruct 1–375; UniProt 57–431 Author chain F; PDBConstruct 1–375; UniProt 57–431

Myosin-binding protein C, cardiac-type

Homo sapiens

UniProt Q14896

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 22 PDB declaration: 22-meric(22) Consistent with protein copy count Chain G; UniProt 151–370 Chain H; UniProt 151–370 Chain I; UniProt 151–370 Chain J; UniProt 151–370 Chain K; UniProt 151–370 Chain L; UniProt 151–370 Chain M; UniProt 151–370 Chain N; UniProt 151–370 Chain O; UniProt 151–370 Chain P; UniProt 151–370 Chain Q; UniProt 151–370 Chain R; UniProt 151–370 Not recorded cardiac actin × 6 (A0A4X1UMF3) tropomyosin model × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 8.00 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

16 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MYPC3_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain G; PDBConstruct 1–220; UniProt 151–370 Author chain H; PDBConstruct 1–220; UniProt 151–370 Author chain I; PDBConstruct 1–220; UniProt 151–370 Author chain J; PDBConstruct 1–220; UniProt 151–370 Author chain K; PDBConstruct 1–220; UniProt 151–370 Author chain L; PDBConstruct 1–220; UniProt 151–370 Author chain M; PDBConstruct 1–220; UniProt 151–370 Author chain N; PDBConstruct 1–220; UniProt 151–370 Author chain O; PDBConstruct 1–220; UniProt 151–370 Author chain P; PDBConstruct 1–220; UniProt 151–370 Author chain Q; PDBConstruct 1–220; UniProt 151–370 Author chain R; PDBConstruct 1–220; UniProt 151–370

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 7tj7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7tj7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7tj7
Deposition date deposition_date2022-01-14
Structure title titleCardiac thin filament decorated with C1 Ig-domain and regulatory M-domain of cardiac myosin binding protein C (cMyBP-C)
Keywords keywordsmuscle contraction regulator, muscle protein, MOTOR PROTEIN; MOTOR PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier57.86
Radius of gyration Rg (electron density) rg_electron58.05
Forward intensity I(0) i02215670000.00
Molecular weight molecular_weight385970.0 kDa
Excluded volume excluded_volume479340 ų
Envelope volume envelope_volume725310 ų
Hydration-shell volume shell_volume107220 ų
Envelope diameter envelope_diameter233.4
Shell Rg shell_rg57.22
Envelope Rg envelope_rg57.65
Shape Rg shape_rg58.06
Total Rg total_rg57.98
Total atoms total_atoms29182
Residues n_residues3647
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax203.9
Rg (real space) rg_real58.24
Rg uncertainty (real space) rg_real_error1.75
I(0) (real space) i0_real2.2150e+09
I(0) uncertainty (real space) i0_real_error4.5380e+07
Rg (reciprocal space) rg_reciprocal57.49
I(0) (reciprocal space) i0_reciprocal2213000000.0000
Solution quality estimate total_estimate0.5782
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary60.4
Skewness Skewness skewness0.605
Kurtosis Kurtosis kurtosis-0.059
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0154
Highest regularization parameter α highest_alpha614200000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.633; Stabil: 1.000; Sysdev: 0.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.648

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)