1oen

PHOSPHOENOLPYRUVATE CARBOXYKINASE

Method: X-RAY DIFFRACTION Dmax: 79.2 Å Quality: GOOD

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

PHOSPHOENOLPYRUVATE CARBOXYKINASE

OrganismNot specified

UniProt P22259

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–540 Not recorded ACT ACETATE ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 1.90 Å R-free 0.244

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.

17 other PDB entries and 18 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PPCK_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–540; UniProt 1–540

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 1oen

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1oen
Deposition date deposition_date1995-09-08
Structure title titlePHOSPHOENOLPYRUVATE CARBOXYKINASE
Keywords keywordsP-LOOP, NUCLEOTIDE-TRIPHOSPHATE HYDROLASE, KINASE; KINASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.76
Radius of gyration Rg (electron density) rg_electron23.65
Forward intensity I(0) i053565600.00
Molecular weight molecular_weight57199.0 kDa
Excluded volume excluded_volume71630 ų
Envelope volume envelope_volume84377 ų
Hydration-shell volume shell_volume29243 ų
Envelope diameter envelope_diameter80.8
Shell Rg shell_rg31.39
Envelope Rg envelope_rg23.70
Shape Rg shape_rg23.65
Total Rg total_rg24.51
Total atoms total_atoms4038
Residues n_residues524
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 dmax79.2
Rg (real space) rg_real24.66
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real5.3570e+07
I(0) uncertainty (real space) i0_real_error7.8930e+05
Rg (reciprocal space) rg_reciprocal24.69
I(0) (reciprocal space) i0_reciprocal53570000.0000
Solution quality estimate total_estimate0.8968
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.1
Skewness Skewness skewness0.272
Kurtosis Kurtosis kurtosis-0.341
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha17440000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.890; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.984

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1oena1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.91 — PEP carboxykinase-like
Superfamily Superfamily superfamilyc.91.1 — PEP carboxykinase-like
Family Family familyc.91.1.1 — PEP carboxykinase C-terminal domain
Domain ID domain_idd1oena2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.109 — PEP carboxykinase N-terminal domain
Superfamily Superfamily superfamilyc.109.1 — PEP carboxykinase N-terminal domain
Family Family familyc.109.1.1 — PEP carboxykinase N-terminal domain

CATH v4.4 (3 domains)

Domain ID domain_id1oenA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology449 — Phosphoenolpyruvate Carboxykinase; domain 1
Homologous superfamily homologous superfamily10 — Phosphoenolpyruvate Carboxykinase, domain 1
Domain ID domain_id1oenA02
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology8 — Phosphoenolpyruvate Carboxykinase; domain 2
Homologous superfamily homologous superfamily10 — Phosphoenolpyruvate Carboxykinase, domain 2
Domain ID domain_id1oenA03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology228 — Phosphoenolpyruvate Carboxykinase; domain 3
Homologous superfamily homologous superfamily20

8. Citations (5)

9. Files and Curves (10)