1pqn

dominant negative human hDim1 (hDim1 1-128)

Method: SOLUTION NMR Dmax: 53.2 Å Quality: GOOD

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

Spliceosomal U5 snRNP-specific 15 kDa protein

Homo sapiens

UniProt P83876

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–128 Fragment:dominant negative human hDim1 Mutation:deltaC14 No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7.65;310 K;Pressure ambient NMR sample composition:1mM hDim1 1-128,U-15N; 10mM phosphate buffer; 95% H2O, 5% D2O, 0.2% 2,2-dimethyl-2-silapentane-5-sulfonate (DSS), 0.04% NaN3 | 95% H2O/5% D2O NMR sample composition:1mM hDim1 1-128,U-15N,13C; 10mM phosphate buffer; 95% H2O, 5% D2O, 0.2% 2,2-dimethyl-2-silapentane-5-sulfonate (DSS), 0.04% NaN3 | 95% H2O/5% D2O NMR sample composition:1mM hDim1 1-128,U-13C; 10mM phosphate buffer; 100% D2O, 0.2% 2,2-dimethyl-2-silapentane-5-sulfonate (DSS), 0.04% NaN3 | 100% 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.

31 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TXN4A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–127; UniProt 2–128

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 1pqn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1pqn
Deposition date deposition_date2003-06-18
Structure title titledominant negative human hDim1 (hDim1 1-128)
Keywords keywordsdim1, dominant negative, cell cycle, pre-mRNA splicing, snRNP, U5-15k SPLICEOSOMAL PROTEIN, THIOREDOXIN, TRANSCRIPTION, cleavage; CELL CYCLE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier14.96
Radius of gyration Rg (electron density) rg_electron14.61
Forward intensity I(0) i01226660000.00
Molecular weight molecular_weight298960.0 kDa
Excluded volume excluded_volume374040 ų
Envelope volume envelope_volume40753 ų
Hydration-shell volume shell_volume19078 ų
Envelope diameter envelope_diameter61.4
Shell Rg shell_rg24.26
Envelope Rg envelope_rg17.94
Shape Rg shape_rg14.61
Total Rg total_rg14.78
Total atoms total_atoms41480
Residues n_residues2540
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 dmax53.2
Rg (real space) rg_real14.87
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.2270e+09
I(0) uncertainty (real space) i0_real_error1.4710e+07
Rg (reciprocal space) rg_reciprocal14.87
I(0) (reciprocal space) i0_reciprocal1227000000.0000
Solution quality estimate total_estimate0.8482
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.8
Skewness Skewness skewness0.159
Kurtosis Kurtosis kurtosis-0.271
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha515400.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.679; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1pqna_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.47 — Thioredoxin fold
Superfamily Superfamily superfamilyc.47.1 — Thioredoxin-like
Family Family familyc.47.1.8 — spliceosomal protein U5-15Kd

CATH v4.4 (1 domains)

Domain ID domain_id1pqnA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology30 — Glutaredoxin
Homologous superfamily homologous superfamily10 — Glutaredoxin

8. Citations (2)

9. Files and Curves (10)