3p49

Crystal Structure of a Glycine Riboswitch from Fusobacterium nucleatum

Method: X-RAY DIFFRACTION Dmax: 104.5 Å Quality: GOOD

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

U1 small nuclear ribonucleoprotein A

Homo sapiens

UniProt P09012

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 1 PDB declaration: dimeric(2) Consistent with all polymer counts Chain B; UniProt 1–98 Fragment:RNA BINDING DOMAIN (UNP RESIDUES 1-98) Mutation:Y31H Q36R GLYCINE RIBOSWITCH × 1 MG MAGNESIUM ION × 13 GLY GLYCINE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;25% PEGmme550, 0.05M HEPES PH 7.0, 0.01M MgCL2, 0.025M NaOAC pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 3.55 Å R-free 0.310

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.

87 other PDB entries and 145 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SNRPA_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–98; UniProt 1–98

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 3p49

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3p49
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3p49
Deposition date deposition_date2010-10-06
Structure title titleCrystal Structure of a Glycine Riboswitch from Fusobacterium nucleatum
Keywords keywordsriboswitch, RNA, cooperative, glycine, RNA BINDING PROTEIN-RNA complex; RNA BINDING PROTEIN/RNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.76
Radius of gyration Rg (electron density) rg_electron32.55
Forward intensity I(0) i0176523000.00
Molecular weight molecular_weight65995.0 kDa
Excluded volume excluded_volume65067 ų
Envelope volume envelope_volume105340 ų
Hydration-shell volume shell_volume28867 ų
Envelope diameter envelope_diameter113.8
Shell Rg shell_rg36.73
Envelope Rg envelope_rg32.36
Shape Rg shape_rg32.61
Total Rg total_rg32.65
Total atoms total_atoms4396
Residues n_residues261
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 dmax104.5
Rg (real space) rg_real30.93
Rg uncertainty (real space) rg_real_error0.93
I(0) (real space) i0_real1.7650e+08
I(0) uncertainty (real space) i0_real_error3.0450e+06
Rg (reciprocal space) rg_reciprocal30.86
I(0) (reciprocal space) i0_reciprocal176500000.0000
Solution quality estimate total_estimate0.8659
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.2
Skewness Skewness skewness0.442
Kurtosis Kurtosis kurtosis-0.395
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7711000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.844; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.826; Smooth: 0.894

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_id3p49B00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily330 — RRM (RNA recognition motif) domain

8. Citations (1)

9. Files and Curves (10)