1dfu

CRYSTAL STRUCTURE OF E.COLI RIBOSOMAL PROTEIN L25 COMPLEXED WITH A 5S RRNA FRAGMENT AT 1.8 A RESOLUTION

Method: X-RAY DIFFRACTION Dmax: 68.2 Å Quality: GOOD

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

RIBOSOMAL PROTEIN L25

Escherichia coli

UniProt P68919

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–RNA Monomer Protein × 1 RNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain P; UniProt 1–94 Not recorded 5S RRNA × 1 5S RRNA × 1 MG MAGNESIUM ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;292 K;MPD, POTASSIUM CHLORIDE, MAGNESIUM CHLORIDE, CACODYLATE, pH 6.0, VAPOR DIFFUSION, SITTING DROP at 292K Resolution 1.80 Å R-free 0.225

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.

478 other PDB entries and 523 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RL25_ECOLI
Isoform
PDB entities 3
Chains and sequence ranges Author chain P; PDBConstruct 1–94; UniProt 1–94

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 1dfu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1dfu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1dfu
Deposition date deposition_date1999-11-21
Structure title titleCRYSTAL STRUCTURE OF E.COLI RIBOSOMAL PROTEIN L25 COMPLEXED WITH A 5S RRNA FRAGMENT AT 1.8 A RESOLUTION
Keywords keywordsPROTEIN-RNA COMPLEX, RIBOSOME; RIBOSOME
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.28
Radius of gyration Rg (electron density) rg_electron18.49
Forward intensity I(0) i018010000.00
Molecular weight molecular_weight23183.0 kDa
Excluded volume excluded_volume25143 ų
Envelope volume envelope_volume32874 ų
Hydration-shell volume shell_volume15726 ų
Envelope diameter envelope_diameter68.8
Shell Rg shell_rg23.69
Envelope Rg envelope_rg18.84
Shape Rg shape_rg18.41
Total Rg total_rg19.27
Total atoms total_atoms1577
Residues n_residues132
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 dmax68.2
Rg (real space) rg_real19.31
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real1.8010e+07
I(0) uncertainty (real space) i0_real_error2.6640e+05
Rg (reciprocal space) rg_reciprocal19.31
I(0) (reciprocal space) i0_reciprocal18010000.0000
Solution quality estimate total_estimate0.8566
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.2
Skewness Skewness skewness0.361
Kurtosis Kurtosis kurtosis-0.353
Angular range angular_range— – 0.4100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2500000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.778; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.807; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1dfup_
Class classb — All beta proteins
Fold Fold foldb.53 — Ribosomal protein L25-like
Superfamily Superfamily superfamilyb.53.1 — Ribosomal protein L25-like
Family Family familyb.53.1.1 — Ribosomal protein L25-like

CATH v4.4 (1 domains)

Domain ID domain_id1dfuP00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology240 — Ribosomal Protein L25; Chain P
Homologous superfamily homologous superfamily10 — Ribosomal Protein L25; Chain P

8. Citations (1)

9. Files and Curves (10)