1b4s

STRUCTURE OF NUCLEOSIDE DIPHOSPHATE KINASE H122G MUTANT

Method: X-RAY DIFFRACTION Dmax: 76.8 Å Quality: EXCELLENT

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 Chain B; UniProt 1–155 Chain C; UniProt 1–155 Mutation:H122G PO4 PHOSPHATE ION × 6 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;pH 7.5 Resolution 2.50 Å R-free 0.305

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 Author chain B; PDBConstruct 1–155; UniProt 1–155 Author chain C; 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 1b4s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1b4s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1b4s
Deposition date deposition_date1998-12-28
Structure title titleSTRUCTURE OF NUCLEOSIDE DIPHOSPHATE KINASE H122G MUTANT
Keywords keywordsTRANSFERASE, KINASE, ATP-BINDING, PHOSPHOTRANSFERASE; PHOSPHOTRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.82
Radius of gyration Rg (electron density) rg_electron24.19
Forward intensity I(0) i041553300.00
Molecular weight molecular_weight50097.0 kDa
Excluded volume excluded_volume62788 ų
Envelope volume envelope_volume71594 ų
Hydration-shell volume shell_volume24646 ų
Envelope diameter envelope_diameter77.9
Shell Rg shell_rg31.21
Envelope Rg envelope_rg24.38
Shape Rg shape_rg24.21
Total Rg total_rg24.92
Total atoms total_atoms3522
Residues n_residues450
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 dmax76.8
Rg (real space) rg_real24.76
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real4.1550e+07
I(0) uncertainty (real space) i0_real_error5.5150e+05
Rg (reciprocal space) rg_reciprocal24.78
I(0) (reciprocal space) i0_reciprocal41550000.0000
Solution quality estimate total_estimate0.9122
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.4
Skewness Skewness skewness0.184
Kurtosis Kurtosis kurtosis-0.682
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15780000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.959; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1b4sa_
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
Domain ID domain_idd1b4sb_
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
Domain ID domain_idd1b4sc_
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 (3 domains)

Domain ID domain_id1b4sA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily141 — Nucleoside diphosphate kinase-like domain
Domain ID domain_id1b4sB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily141 — Nucleoside diphosphate kinase-like domain
Domain ID domain_id1b4sC00
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 (3)

9. Files and Curves (10)