5dfm

Structure of Tetrahymena telomerase p19 fused to MBP

Method: X-RAY DIFFRACTION Dmax: 110.5 Å Quality: GOOD

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

Maltose-binding periplasmic protein,Telomerase-associated protein 19

Tetrahymena thermophila

UniProt D2CVN7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–164 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 SO4 SULFATE ION × 5 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291 K;12 mg/ml MBP-P19 protein, 0.1 M Sodium Acetate, 2.0 M Ammonium Sulfate Resolution 2.30 Å R-free 0.226
2 Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–164 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 SO4 SULFATE ION × 10 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291 K;12 mg/ml MBP-P19 protein, 0.1 M Sodium Acetate, 2.0 M Ammonium Sulfate Resolution 2.30 Å R-free 0.226
3 Insufficient information Homooligomer Protein × 6 其他Polymer 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–164 Chain B; UniProt 1–164 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 6 SO4 SULFATE ION × 45 GOL GLYCEROL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291 K;12 mg/ml MBP-P19 protein, 0.1 M Sodium Acetate, 2.0 M Ammonium Sulfate Resolution 2.30 Å R-free 0.226

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.

4 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name D2CVN7_TETTH
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 371–534; UniProt 1–164 Author chain B; PDBConstruct 371–534; UniProt 1–164

Maltose-binding periplasmic protein,Telomerase-associated protein 19

Tetrahymena thermophila

UniProt P0AEY0

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 27–384 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 SO4 SULFATE ION × 5 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291 K;12 mg/ml MBP-P19 protein, 0.1 M Sodium Acetate, 2.0 M Ammonium Sulfate Resolution 2.30 Å R-free 0.226
2 Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 27–384 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 SO4 SULFATE ION × 10 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291 K;12 mg/ml MBP-P19 protein, 0.1 M Sodium Acetate, 2.0 M Ammonium Sulfate Resolution 2.30 Å R-free 0.226
3 Insufficient information Homooligomer Protein × 6 其他Polymer 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 27–384 Chain B; UniProt 27–384 Not recorded alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 6 SO4 SULFATE ION × 45 GOL GLYCEROL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;291 K;12 mg/ml MBP-P19 protein, 0.1 M Sodium Acetate, 2.0 M Ammonium Sulfate Resolution 2.30 Å R-free 0.226

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.

109 other PDB entries and 146 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECO57
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–358; UniProt 27–384 Author chain B; PDBConstruct 1–358; UniProt 27–384

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 5dfm

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5dfm
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5dfm
Deposition date deposition_date2015-08-27
Structure title titleStructure of Tetrahymena telomerase p19 fused to MBP
Keywords keywordsTelomerase, P19, CST complex, Ten1, OB-fold, Oligonucleotide Binding Fold, NUCLEAR PROTEIN; NUCLEAR PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.61
Radius of gyration Rg (electron density) rg_electron32.00
Forward intensity I(0) i0189985000.00
Molecular weight molecular_weight111940.0 kDa
Excluded volume excluded_volume140470 ų
Envelope volume envelope_volume170500 ų
Hydration-shell volume shell_volume44160 ų
Envelope diameter envelope_diameter117.4
Shell Rg shell_rg39.09
Envelope Rg envelope_rg31.93
Shape Rg shape_rg31.98
Total Rg total_rg32.64
Total atoms total_atoms7900
Residues n_residues1015
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 dmax110.5
Rg (real space) rg_real32.61
Rg uncertainty (real space) rg_real_error1.04
I(0) (real space) i0_real1.9000e+08
I(0) uncertainty (real space) i0_real_error2.9680e+06
Rg (reciprocal space) rg_reciprocal32.61
I(0) (reciprocal space) i0_reciprocal190000000.0000
Solution quality estimate total_estimate0.8756
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary40.6
Skewness Skewness skewness0.377
Kurtosis Kurtosis kurtosis-0.234
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha89060000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.811; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.960

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id5dfmA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II

8. Citations (1)

9. Files and Curves (10)