2khw

Solution Structure of the human Polymerase iota UBM2-Ubiquitin Complex

Method: SOLUTION NMR Dmax: 46.5 Å Quality: GOOD

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

Immunoglobulin G-binding protein G, DNA polymerase iota

Streptococcus sp., Homo sapiens

UniProt P19909

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 304–357 Fragment:UNP residues 304-357, 676-715 Ubiquitin × 1 (P62988) SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR sample composition:1 mM [U-100% 15N] entity_1-1, 4 mM entity_2-2, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3 mM [U-100% 15N] entity_1-3, 3 mM [U-100% 15N] entity_2-4, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3 mM [U-100% 13C; U-100% 15N] entity_1-5, 3 mM [U-100% 13C; U-100% 15N] entity_2-6, 100% D2O | 100% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] entity_1-7, 4 mM entity_2-8, 100% D2O | 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.

76 other PDB entries and 116 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPG2_STRSG
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–56; UniProt 304–357

Immunoglobulin G-binding protein G, DNA polymerase iota

Streptococcus sp., Homo sapiens

UniProt Q9UNA4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 676–715 Fragment:UNP residues 304-357, 676-715 Ubiquitin × 1 (P62988) SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR sample composition:1 mM [U-100% 15N] entity_1-1, 4 mM entity_2-2, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3 mM [U-100% 15N] entity_1-3, 3 mM [U-100% 15N] entity_2-4, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3 mM [U-100% 13C; U-100% 15N] entity_1-5, 3 mM [U-100% 13C; U-100% 15N] entity_2-6, 100% D2O | 100% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] entity_1-7, 4 mM entity_2-8, 100% D2O | 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.

52 other PDB entries and 53 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLI_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 61–100; UniProt 676–715

Ubiquitin

Homo sapiens

UniProt P62988

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–76 Not recorded Immunoglobulin G-binding protein G, DNA polymerase iota × 1 (P19909,Q9UNA4) SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 100;Pressure ambient NMR sample composition:1 mM [U-100% 15N] entity_1-1, 4 mM entity_2-2, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3 mM [U-100% 15N] entity_1-3, 3 mM [U-100% 15N] entity_2-4, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:3 mM [U-100% 13C; U-100% 15N] entity_1-5, 3 mM [U-100% 13C; U-100% 15N] entity_2-6, 100% D2O | 100% D2O NMR sample composition:1 mM [U-100% 13C; U-100% 15N] entity_1-7, 4 mM entity_2-8, 100% D2O | 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.

83 other PDB entries and 138 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name UBIQ_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 4–79; 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 2khw

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id2khw
Deposition date deposition_date2009-04-13
Structure title titleSolution Structure of the human Polymerase iota UBM2-Ubiquitin Complex
Keywords keywords;UBM, ubiquitin-binding domain, polymerase iota, translesion synthesis, TLS, Cytoplasm, Nucleus, protein binding, transcription regulator activity, Transferase-protein binding COMPLEX ;; Transferase/protein binding
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier14.43
Radius of gyration Rg (electron density) rg_electron14.09
Forward intensity I(0) i01166680000.00
Molecular weight molecular_weight304100.0 kDa
Excluded volume excluded_volume386610 ų
Envelope volume envelope_volume22327 ų
Hydration-shell volume shell_volume12770 ų
Envelope diameter envelope_diameter54.5
Shell Rg shell_rg20.69
Envelope Rg envelope_rg15.71
Shape Rg shape_rg14.06
Total Rg total_rg14.27
Total atoms total_atoms43575
Residues n_residues2650
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 dmax46.5
Rg (real space) rg_real14.40
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real1.1670e+09
I(0) uncertainty (real space) i0_real_error1.4200e+07
Rg (reciprocal space) rg_reciprocal14.40
I(0) (reciprocal space) i0_reciprocal1167000000.0000
Solution quality estimate total_estimate0.7886
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.5
Skewness Skewness skewness0.277
Kurtosis Kurtosis kurtosis-0.133
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha216700.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.751; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2khwb_
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 (1 domains)

Domain ID domain_id2khwB00
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)