1pod

STRUCTURES OF FREE AND INHIBITED HUMAN SECRETORY PHOSPHOLIPASE A2 FROM INFLAMMATORY EXUDATE

Method: X-RAY DIFFRACTION Dmax: 49.6 Å Quality: GOOD

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

PHOSPHOLIPASE A2

Homo sapiens

UniProt P14555

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 21–144 Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.10 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.

16 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PA2GA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–124; UniProt 21–144

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 1pod

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1pod
Deposition date deposition_date1992-09-07
Structure title titleSTRUCTURES OF FREE AND INHIBITED HUMAN SECRETORY PHOSPHOLIPASE A2 FROM INFLAMMATORY EXUDATE
Keywords keywordsHYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.26
Radius of gyration Rg (electron density) rg_electron14.31
Forward intensity I(0) i04543790.00
Molecular weight molecular_weight13973.0 kDa
Excluded volume excluded_volume16982 ų
Envelope volume envelope_volume19397 ų
Hydration-shell volume shell_volume11743 ų
Envelope diameter envelope_diameter48.5
Shell Rg shell_rg19.69
Envelope Rg envelope_rg14.59
Shape Rg shape_rg14.28
Total Rg total_rg15.40
Total atoms total_atoms967
Residues n_residues124
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 dmax49.6
Rg (real space) rg_real15.21
Rg uncertainty (real space) rg_real_error0.20
I(0) (real space) i0_real4.5440e+06
I(0) uncertainty (real space) i0_real_error4.0980e+04
Rg (reciprocal space) rg_reciprocal15.21
I(0) (reciprocal space) i0_reciprocal4544000.0000
Solution quality estimate total_estimate0.8944
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.9
Skewness Skewness skewness0.247
Kurtosis Kurtosis kurtosis-0.407
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1127000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.884; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1poda_
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_id1podA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology90 — Phospholipase A2
Homologous superfamily homologous superfamily10 — Phospholipase A2 domain

8. Citations (1)

9. Files and Curves (10)