6hpj

Structure of human SRSF1 RRM1 bound to AACAAA RNA

Method: SOLUTION NMR Dmax: 47.5 Å Quality: GOOD

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

Immunoglobulin G-binding protein G,Serine/arginine-rich splicing factor 1

Homo sapiens

UniProt P19909

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 RNA 1 PDB declaration: dimeric(2) Consistent with all polymer counts Chain B; UniProt 304–357 Not recorded ;RNA (5'-R(*AP*AP*CP*AP*AP*A)-3') ; × 1 SOLUTION NMR NMR measurement conditions:pH 7;313 K;Ionic strength (raw mmCIF value) 120;Pressure atmospheric NMR sample composition:0.5 mM [U-99% 15N] SRSF1 RRM1, 0.5 mM RNA (5'-R(*AP*AP*CP*AP*AP*A)-3'), 100% D2O | 100% D2O NMR sample composition:0.5 mM [U-99% 15N] SRSF1 RRM1, 0.5 mM NA RNA (5'-R(*AP*AP*CP*AP*AP*A)-3'), 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.5 mM [U-99% 13C; U-99% 15N] SRSF1 RRM1, 0.5 mM NA RNA (5'-R(*AP*AP*CP*AP*AP*A)-3'), 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

76 other PDB entries and 116 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPG2_STRSG
Isoform
PDB entities 1
Chains and sequence ranges Author chain B; PDBConstruct 3–56; UniProt 304–357

Immunoglobulin G-binding protein G,Serine/arginine-rich splicing factor 1

Homo sapiens

UniProt Q07955

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 RNA 1 PDB declaration: dimeric(2) Consistent with all polymer counts Chain B; UniProt 1–97 Not recorded ;RNA (5'-R(*AP*AP*CP*AP*AP*A)-3') ; × 1 SOLUTION NMR NMR measurement conditions:pH 7;313 K;Ionic strength (raw mmCIF value) 120;Pressure atmospheric NMR sample composition:0.5 mM [U-99% 15N] SRSF1 RRM1, 0.5 mM RNA (5'-R(*AP*AP*CP*AP*AP*A)-3'), 100% D2O | 100% D2O NMR sample composition:0.5 mM [U-99% 15N] SRSF1 RRM1, 0.5 mM NA RNA (5'-R(*AP*AP*CP*AP*AP*A)-3'), 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.5 mM [U-99% 13C; U-99% 15N] SRSF1 RRM1, 0.5 mM NA RNA (5'-R(*AP*AP*CP*AP*AP*A)-3'), 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

9 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SRSF1_HUMAN
Isoform Q07955-2
PDB entities 1
Chains and sequence ranges Author chain B; PDBConstruct 65–161; UniProt 1–97

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 6hpj

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6hpj
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6hpj
Deposition date deposition_date2018-09-21
Structure title titleStructure of human SRSF1 RRM1 bound to AACAAA RNA
Keywords keywordssplicing, SR protein, SRSF1, RRM, spinal muscular atrophy, SMA, RNA, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier13.79
Radius of gyration Rg (electron density) rg_electron13.22
Forward intensity I(0) i0969570000.00
Molecular weight molecular_weight228240.0 kDa
Excluded volume excluded_volume270490 ų
Envelope volume envelope_volume30400 ų
Hydration-shell volume shell_volume15995 ų
Envelope diameter envelope_diameter49.2
Shell Rg shell_rg22.08
Envelope Rg envelope_rg15.94
Shape Rg shape_rg13.19
Total Rg total_rg13.44
Total atoms total_atoms30120
Residues n_residues1800
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 dmax47.5
Rg (real space) rg_real13.70
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real9.6960e+08
I(0) uncertainty (real space) i0_real_error1.0570e+07
Rg (reciprocal space) rg_reciprocal13.70
I(0) (reciprocal space) i0_reciprocal969600000.0000
Solution quality estimate total_estimate0.8699
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.6
Skewness Skewness skewness0.077
Kurtosis Kurtosis kurtosis-0.482
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha398600.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.775; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)