5ujn

Representative 2-conformer ensembles of K27-linked Ub2 from RDC data

Method: SOLUTION NMR Dmax: 56.2 Å Quality: GOOD

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

Ubiquitin

Homo sapiens

UniProt P0CG47

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–76 Chain B; UniProt 1–76 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.8;296 K;Ionic strength (raw mmCIF value) 20;Pressure 1 NMR sample composition:150 uM [U-99% 15N] distal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3, 95% H2O/5% D2O | 95% H2O/5% D2O NMR sample composition:150 uM [U-99% 15N] proximal K27-Ub2, 20 mM NaPhosphate, 0.02 % NaN3, 95% H2O/5% D2O | 95% H2O/5% 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.

278 other PDB entries and 429 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UBB_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–76; UniProt 1–76 Author chain B; PDBConstruct 1–76; UniProt 1–76

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 5ujn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id5ujn
Deposition date deposition_date2017-01-18
Structure title titleRepresentative 2-conformer ensembles of K27-linked Ub2 from RDC data
Keywords keywordsdiubiquitin, K27, polyubiquitin chain, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier18.75
Radius of gyration Rg (electron density) rg_electron18.73
Forward intensity I(0) i01482040000.00
Molecular weight molecular_weight334230.0 kDa
Excluded volume excluded_volume422670 ų
Envelope volume envelope_volume51304 ų
Hydration-shell volume shell_volume20842 ų
Envelope diameter envelope_diameter64.1
Shell Rg shell_rg26.76
Envelope Rg envelope_rg20.88
Shape Rg shape_rg18.70
Total Rg total_rg18.95
Total atoms total_atoms48020
Residues n_residues2960
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 dmax56.2
Rg (real space) rg_real18.79
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real1.4820e+09
I(0) uncertainty (real space) i0_real_error1.7620e+07
Rg (reciprocal space) rg_reciprocal18.79
I(0) (reciprocal space) i0_reciprocal1482000000.0000
Solution quality estimate total_estimate0.8894
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.7
Skewness Skewness skewness0.333
Kurtosis Kurtosis kurtosis-0.592
Angular range angular_range— – 0.4250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2544000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.893; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.901

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5ujna_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related
Domain ID domain_idd5ujnb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamilyd.15.1 — Ubiquitin-like
Family Family familyd.15.1.1 — Ubiquitin-related

8. Citations (1)

9. Files and Curves (10)