1umw

Structure of a human Plk1 Polo-box domain/phosphopeptide complex

Method: X-RAY DIFFRACTION Dmax: 102.3 Å Quality: REASONABLE

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

SERINE/THREONINE-PROTEIN KINASE PLK

HOMO SAPIENS

UniProt P53350

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 367–603 Fragment:POLO-BOX DOMAIN, RESIDUES 367-603 PEPTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;pH 8.00 Resolution 1.90 Å R-free 0.260
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 367–603 Fragment:POLO-BOX DOMAIN, RESIDUES 367-603 PEPTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;pH 8.00 Resolution 1.90 Å R-free 0.260

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.

84 other PDB entries and 111 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PLK_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–237; UniProt 367–603 Author chain B; PDBConstruct 1–237; UniProt 367–603

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 1umw

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1umw
Deposition date deposition_date2003-08-29
Structure title titleStructure of a human Plk1 Polo-box domain/phosphopeptide complex
Keywords keywordsKINASE, PHOSPHOPEPTIDE-BINDING DOMAIN, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.69
Radius of gyration Rg (electron density) rg_electron29.14
Forward intensity I(0) i045941600.00
Molecular weight molecular_weight52800.0 kDa
Excluded volume excluded_volume66043 ų
Envelope volume envelope_volume83779 ų
Hydration-shell volume shell_volume25865 ų
Envelope diameter envelope_diameter107.1
Shell Rg shell_rg33.69
Envelope Rg envelope_rg29.08
Shape Rg shape_rg29.10
Total Rg total_rg29.71
Total atoms total_atoms3708
Residues n_residues458
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 dmax102.3
Rg (real space) rg_real29.98
Rg uncertainty (real space) rg_real_error0.72
I(0) (real space) i0_real4.5940e+07
I(0) uncertainty (real space) i0_real_error7.0410e+05
Rg (reciprocal space) rg_reciprocal29.86
I(0) (reciprocal space) i0_reciprocal45940000.0000
Solution quality estimate total_estimate0.5889
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary25.1
Skewness Skewness skewness0.535
Kurtosis Kurtosis kurtosis-0.397
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha19300000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.669; Stabil: 1.000; Sysdev: 0.050; Positv: 1.000; Valcen: 0.654; Smooth: 0.842

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1umwa1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.223 — Polo-box domain
Superfamily Superfamily superfamilyd.223.1 — Polo-box domain
Family Family familyd.223.1.2 — Polo-box duplicated region
Domain ID domain_idd1umwa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.223 — Polo-box domain
Superfamily Superfamily superfamilyd.223.1 — Polo-box domain
Family Family familyd.223.1.2 — Polo-box duplicated region
Domain ID domain_idd1umwb1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.223 — Polo-box domain
Superfamily Superfamily superfamilyd.223.1 — Polo-box domain
Family Family familyd.223.1.2 — Polo-box duplicated region
Domain ID domain_idd1umwb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.223 — Polo-box domain
Superfamily Superfamily superfamilyd.223.1 — Polo-box domain
Family Family familyd.223.1.2 — Polo-box duplicated region

CATH v4.4 (4 domains)

Domain ID domain_id1umwA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1120 — Arylsulfatase, C-terminal domain
Homologous superfamily homologous superfamily30 — POLO box domain
Domain ID domain_id1umwA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1120 — Arylsulfatase, C-terminal domain
Homologous superfamily homologous superfamily30 — POLO box domain
Domain ID domain_id1umwB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1120 — Arylsulfatase, C-terminal domain
Homologous superfamily homologous superfamily30 — POLO box domain
Domain ID domain_id1umwB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1120 — Arylsulfatase, C-terminal domain
Homologous superfamily homologous superfamily30 — POLO box domain

8. Citations (1)

9. Files and Curves (10)