1fdk

CARBOXYLIC ESTER HYDROLASE (PLA2-MJ33 INHIBITOR COMPLEX)

Method: X-RAY DIFFRACTION Dmax: 50.5 Å Quality: REASONABLE

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

PHOSPHOLIPASE A2

Bos taurus

UniProt P00593

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 23–145 Not recorded CA CALCIUM ION × 2 GLE 1-DECYL-3-TRIFLUORO ETHYL-SN-GLYCERO-2-PHOSPHOMETHANOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;CRYSTALS WERE GROWN BY CO-CRYSTALLIZATION BY THE HANGING DROP VAPOR DIFFUSION METHOD USING THE CONDITIONS 5 (MICRO)L OF THE MUTANT PROTEIN (15 MG/ML OF THE PROTEIN), 5MM CACL2, 50MM TRIS BUFFER, PH 7.2, 2.0 (MICRO)L OF 75% MPD IN THE DROPLET AND 1(MICRO)L OF MJ33 INHIBITOR SOLUTION (2.5MM CONCENTRATION). THE RESERVOIR CONTAINED (50%) OF MPD., vapor diffusion - hanging drop Resolution 1.91 Å R-free 0.280

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.

31 other PDB entries and 32 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PA21B_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–123; UniProt 23–145

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 1fdk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1fdk
Deposition date deposition_date1997-09-04
Structure title titleCARBOXYLIC ESTER HYDROLASE (PLA2-MJ33 INHIBITOR COMPLEX)
Keywords keywordsLIPID DEGRADATION, ENZYME, CARBOXYLIC ESTER HYDROLASE, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.20
Radius of gyration Rg (electron density) rg_electron14.23
Forward intensity I(0) i04623080.00
Molecular weight molecular_weight14243.0 kDa
Excluded volume excluded_volume17306 ų
Envelope volume envelope_volume19448 ų
Hydration-shell volume shell_volume11794 ų
Envelope diameter envelope_diameter50.0
Shell Rg shell_rg19.73
Envelope Rg envelope_rg14.68
Shape Rg shape_rg14.24
Total Rg total_rg15.27
Total atoms total_atoms984
Residues n_residues123
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 dmax50.5
Rg (real space) rg_real15.16
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real4.6230e+06
I(0) uncertainty (real space) i0_real_error5.4540e+04
Rg (reciprocal space) rg_reciprocal15.17
I(0) (reciprocal space) i0_reciprocal4623000.0000
Solution quality estimate total_estimate0.7407
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.6
Skewness Skewness skewness0.284
Kurtosis Kurtosis kurtosis-0.375
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1090000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.849; Stabil: 1.000; Sysdev: 0.368; Positv: 1.000; Valcen: 0.981; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1fdka_
Class classa — All alpha proteins
Fold Fold folda.133 — Phospholipase A2, PLA2
Superfamily Superfamily superfamilya.133.1 — Phospholipase A2, PLA2
Family Family familya.133.1.2 — Vertebrate phospholipase A2

CATH v4.4 (1 domains)

Domain ID domain_id1fdkA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology90 — Phospholipase A2
Homologous superfamily homologous superfamily10 — Phospholipase A2 domain

8. Citations (6)

9. Files and Curves (10)