1ndk

X-RAY STRUCTURE OF NUCLEOSIDE DIPHOSPHATE KINASE

Method: X-RAY DIFFRACTION Dmax: 41.8 Å Quality: REASONABLE

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

NUCLEOSIDE DIPHOSPHATE KINASE

Dictyostelium discoideum

UniProt P22887

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 homooligomer Homooligomer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–155 Not recorded No other associated polymer X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.20 Å

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.

24 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NDKC_DICDI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–155; UniProt 1–155

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 1ndk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1ndk
Deposition date deposition_date1993-07-15
Structure title titleX-RAY STRUCTURE OF NUCLEOSIDE DIPHOSPHATE KINASE
Keywords keywordsTRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.25
Radius of gyration Rg (electron density) rg_electron15.05
Forward intensity I(0) i04676920.00
Molecular weight molecular_weight15969.0 kDa
Excluded volume excluded_volume20280 ų
Envelope volume envelope_volume23168 ų
Hydration-shell volume shell_volume13230 ų
Envelope diameter envelope_diameter54.7
Shell Rg shell_rg20.72
Envelope Rg envelope_rg15.48
Shape Rg shape_rg15.05
Total Rg total_rg16.21
Total atoms total_atoms1127
Residues n_residues148
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 dmax41.8
Rg (real space) rg_real15.59
Rg uncertainty (real space) rg_real_error0.04
I(0) (real space) i0_real4.4640e+06
I(0) uncertainty (real space) i0_real_error3.4230e+04
Rg (reciprocal space) rg_reciprocal16.19
I(0) (reciprocal space) i0_reciprocal4677000.0000
Solution quality estimate total_estimate0.6842
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary19.8
Skewness Skewness skewness0.090
Kurtosis Kurtosis kurtosis-0.461
Angular range angular_range— – 0.4900 −1
Current regularization parameter α current_alpha4.3140
Highest regularization parameter α highest_alpha758900.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.995; Stabil: 0.971; Sysdev: 0.000; Positv: 1.000; Valcen: 0.997; 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_idd1ndka_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.6 — Nucleoside diphosphate kinase, NDK
Family Family familyd.58.6.1 — Nucleoside diphosphate kinase, NDK

CATH v4.4 (1 domains)

Domain ID domain_id1ndkA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily141 — Nucleoside diphosphate kinase-like domain

8. Citations (1)

9. Files and Curves (10)