2eke

Structure of a SUMO-binding-motif mimic bound to Smt3p-Ubc9p: conservation of a noncovalent Ubiquitin-like protein-E2 complex as a platform for selective interactions within a SUMO pathway

Method: X-RAY DIFFRACTION Dmax: 81.1 Å Quality: REASONABLE

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

SUMO-conjugating enzyme UBC9

Saccharomyces cerevisiae

UniProt P50623

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–157 Not recorded Ubiquitin-like protein SMT3 × 1 (Q12306) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;277 K;18% PEG 3350, 0.2M magnesium chloride, 0.1M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.90 Å R-free 0.250
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–157 Not recorded Ubiquitin-like protein SMT3 × 1 (Q12306) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;277 K;18% PEG 3350, 0.2M magnesium chloride, 0.1M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.90 Å R-free 0.250

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.

5 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UBC9_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–157; UniProt 1–157 Author chain B; PDBConstruct 1–157; UniProt 1–157

Ubiquitin-like protein SMT3

Saccharomyces cerevisiae

UniProt Q12306

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 13–98 Mutation:thrombin site, Ubiquitin-like SUMO-conjugating enzyme UBC9 × 1 (P50623) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;277 K;18% PEG 3350, 0.2M magnesium chloride, 0.1M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.90 Å R-free 0.250
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 13–98 Mutation:thrombin site, Ubiquitin-like SUMO-conjugating enzyme UBC9 × 1 (P50623) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;277 K;18% PEG 3350, 0.2M magnesium chloride, 0.1M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.90 Å R-free 0.250

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.

95 other PDB entries and 115 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMT3_YEAST
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 21–106; UniProt 13–98 Author chain D; PDBConstruct 21–106; UniProt 13–98

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 2eke

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2eke
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2eke
Deposition date deposition_date2007-03-23
Structure title titleStructure of a SUMO-binding-motif mimic bound to Smt3p-Ubc9p: conservation of a noncovalent Ubiquitin-like protein-E2 complex as a platform for selective interactions within a SUMO pathway
Keywords keywordsUbc9, Smt3, SUMO binding motif, SBM, LIGASE-PROTEIN BINDING COMPLEX; LIGASE/PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.74
Radius of gyration Rg (electron density) rg_electron33.16
Forward intensity I(0) i049967300.00
Molecular weight molecular_weight55436.0 kDa
Excluded volume excluded_volume69524 ų
Envelope volume envelope_volume102740 ų
Hydration-shell volume shell_volume28175 ų
Envelope diameter envelope_diameter181.4
Shell Rg shell_rg35.85
Envelope Rg envelope_rg36.37
Shape Rg shape_rg33.09
Total Rg total_rg33.66
Total atoms total_atoms3915
Residues n_residues487
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 dmax81.1
Rg (real space) rg_real29.95
Rg uncertainty (real space) rg_real_error0.16
I(0) (real space) i0_real4.7100e+07
I(0) uncertainty (real space) i0_real_error5.4370e+05
Rg (reciprocal space) rg_reciprocal33.19
I(0) (reciprocal space) i0_reciprocal49950000.0000
Solution quality estimate total_estimate0.6850
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary32.1
Skewness Skewness skewness0.256
Kurtosis Kurtosis kurtosis-0.730
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha1.5050
Highest regularization parameter α highest_alpha3519000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.005; Oscil: 1.000; Stabil: 0.988; Sysdev: 0.000; Positv: 1.000; Valcen: 0.943; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd2ekea_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.20 — UBC-like
Superfamily Superfamily superfamilyd.20.1 — UBC-like
Family Family familyd.20.1.1 — UBC-related
Domain ID domain_idd2ekeb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.20 — UBC-like
Superfamily Superfamily superfamilyd.20.1 — UBC-like
Family Family familyd.20.1.1 — UBC-related
Domain ID domain_idd2ekec2
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_idd2ekec3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2eked2
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_idd2eked3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id2ekeA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology110 — Ubiquitin Conjugating Enzyme
Homologous superfamily homologous superfamily10 — Ubiquitin Conjugating Enzyme
Domain ID domain_id2ekeB00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology110 — Ubiquitin Conjugating Enzyme
Homologous superfamily homologous superfamily10 — Ubiquitin Conjugating Enzyme
Domain ID domain_id2ekeC01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
Domain ID domain_id2ekeD01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

8. Citations (1)

9. Files and Curves (10)