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1u73

Crystal structure of a Dimeric Acidic Platelet Aggregation Inhibitor and Hypotensive Phospholipase A2 from Bothrops jararacussu

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

hypotensive phospholipase A2

OrganismNot specified

UniProt Q8AXY1

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1zl7 1zlb

2 assemblies

Homodimer
1u73 1umv 1zl7

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q8AXY1_BOTJR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–122； UniProt 17–138 Author chain B； PDBConstruct 1–122； UniProt 17–138

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1u73
Deposition date deposition_date2004-08-02
Structure title titleCrystal structure of a Dimeric Acidic Platelet Aggregation Inhibitor and Hypotensive Phospholipase A2 from Bothrops jararacussu
Keywords keywords;acidic phospholipase A2, Bothrops jararacussu venom, platelet aggregation and hypotensive effects, oligomeric state, dimeric, hydrolase ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1u73__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1u73__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1u73__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）19.57 Å
Rg (electron density)19.16 Å
Total Rg19.78 Å
Atom count1900
Residues244
Excluded volume33359 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1u73__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1u73a_
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
Domain ID domain_idd1u73b_
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 (2 domains)

Domain ID domain_id1u73A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology90 — Phospholipase A2
Homologous superfamily homologous superfamily10 — Phospholipase A2 domain
Domain ID domain_id1u73B00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology90 — Phospholipase A2
Homologous superfamily homologous superfamily10 — Phospholipase A2 domain
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7. Citations (2)