6jb7

Crystal structure of Ub-conjugated Ube2K C92K&K97A mutant (isopeptide linkage), 2.1 A resolution

Method: X-RAY DIFFRACTION Dmax: 76.6 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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–76 Not recorded Ubiquitin-conjugating enzyme E2 K × 1 (P61086) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;HEPES, PEG 400, magnesium chloride Resolution 2.10 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.

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 B; PDBConstruct 1–76; UniProt 1–76

Ubiquitin-conjugating enzyme E2 K

Homo sapiens

UniProt P61086

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 1–200 Mutation:C92K, K97A Ubiquitin × 1 (P0CG47) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;HEPES, PEG 400, magnesium chloride Resolution 2.10 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.

12 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UBE2K_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–200; UniProt 1–200

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 6jb7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6jb7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6jb7
Deposition date deposition_date2019-01-25
Structure title titleCrystal structure of Ub-conjugated Ube2K C92K&K97A mutant (isopeptide linkage), 2.1 A resolution
Keywords keywordscomplex, LIGASE; LIGASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.08
Radius of gyration Rg (electron density) rg_electron24.46
Forward intensity I(0) i015865300.00
Molecular weight molecular_weight30901.0 kDa
Excluded volume excluded_volume39028 ų
Envelope volume envelope_volume48950 ų
Hydration-shell volume shell_volume18047 ų
Envelope diameter envelope_diameter78.6
Shell Rg shell_rg29.39
Envelope Rg envelope_rg24.43
Shape Rg shape_rg24.42
Total Rg total_rg25.26
Total atoms total_atoms2177
Residues n_residues276
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 dmax76.6
Rg (real space) rg_real25.13
Rg uncertainty (real space) rg_real_error0.54
I(0) (real space) i0_real1.5870e+07
I(0) uncertainty (real space) i0_real_error2.1380e+05
Rg (reciprocal space) rg_reciprocal25.12
I(0) (reciprocal space) i0_reciprocal15870000.0000
Solution quality estimate total_estimate0.8897
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.7
Skewness Skewness skewness0.227
Kurtosis Kurtosis kurtosis-0.837
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2864000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.919; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.842; Smooth: 0.962

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6jb7a1
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_idd6jb7a2
Class classa — All alpha proteins
Fold Fold folda.5 — RuvA C-terminal domain-like
Superfamily Superfamily superfamilya.5.2 — UBA-like
Family Family familya.5.2.1 — UBA domain
Domain ID domain_idd6jb7b_
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_id6jb7A01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology110 — Ubiquitin Conjugating Enzyme
Homologous superfamily homologous superfamily10 — Ubiquitin Conjugating Enzyme
Domain ID domain_id6jb7A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily10 — Ubiquitin-associated (UBA) domain

8. Citations (1)

9. Files and Curves (10)