1zgu

Solution structure of the human Mms2-Ubiquitin complex

Method: SOLUTION NMR Dmax: 54.6 Å Quality: EXCELLENT

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

Ubiquitin-conjugating enzyme E2 variant 2

Homo sapiens

UniProt Q15819

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 7–145 Not recorded Ubiquitin × 1 (P61864) SOLUTION NMR NMR measurement conditions:pH 7.5;293 K;Ionic strength (raw mmCIF value) 150 mM NaCl;Pressure 1 NMR measurement conditions:pH 7.5;303 K;Ionic strength (raw mmCIF value) 150 mM NaCl;Pressure 1 NMR sample composition:[U-15N; U-10% 13C]-hMms2 + Ubiquitin (1:4 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20 NMR sample composition:[U-13C; U-15N]-Ubiquitin + hMms2 (4:1 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20 NMR sample composition:[U-13C; U-15N]-hMms2 + Ubiquitin (1:4 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20 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.

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

View Construct and Data Evidence
UniProt name U2V2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–139; UniProt 7–145

Ubiquitin

Homo sapiens

UniProt P61864

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 B; UniProt 1–76 Mutation:K48R Ubiquitin-conjugating enzyme E2 variant 2 × 1 (Q15819) SOLUTION NMR NMR measurement conditions:pH 7.5;293 K;Ionic strength (raw mmCIF value) 150 mM NaCl;Pressure 1 NMR measurement conditions:pH 7.5;303 K;Ionic strength (raw mmCIF value) 150 mM NaCl;Pressure 1 NMR sample composition:[U-15N; U-10% 13C]-hMms2 + Ubiquitin (1:4 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20 NMR sample composition:[U-13C; U-15N]-Ubiquitin + hMms2 (4:1 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20 NMR sample composition:[U-13C; U-15N]-hMms2 + Ubiquitin (1:4 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20 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.

11 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UBIQ_YEAST
Isoform
PDB entities 2
Chains and sequence ranges 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 1zgu

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1zgu
Deposition date deposition_date2005-04-22
Structure title titleSolution structure of the human Mms2-Ubiquitin complex
Keywords keywordsUEV domain, ubiquitin binding motif, LIGASE-SIGNALING PROTEIN COMPLEX; LIGASE/SIGNALING PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier18.07
Radius of gyration Rg (electron density) rg_electron17.70
Forward intensity I(0) i0843745000.00
Molecular weight molecular_weight244100.0 kDa
Excluded volume excluded_volume305430 ų
Envelope volume envelope_volume43913 ų
Hydration-shell volume shell_volume19623 ų
Envelope diameter envelope_diameter60.1
Shell Rg shell_rg24.94
Envelope Rg envelope_rg18.71
Shape Rg shape_rg17.68
Total Rg total_rg17.94
Total atoms total_atoms34530
Residues n_residues2150
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 dmax54.6
Rg (real space) rg_real17.95
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real8.4370e+08
I(0) uncertainty (real space) i0_real_error9.6210e+06
Rg (reciprocal space) rg_reciprocal17.96
I(0) (reciprocal space) i0_reciprocal843800000.0000
Solution quality estimate total_estimate0.9094
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.7
Skewness Skewness skewness0.114
Kurtosis Kurtosis kurtosis-0.563
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1196000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.953; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.967

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1zgua_
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_idd1zgub1
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

CATH v4.4 (2 domains)

Domain ID domain_id1zguA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology110 — Ubiquitin Conjugating Enzyme
Homologous superfamily homologous superfamily10 — Ubiquitin Conjugating Enzyme
Domain ID domain_id1zguB00
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)