1p9g

Crystal structure of a novel antifungal protein distinct with five disulfide bridges from Ecommia ulmoides Oliver at atomic resolution

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

EAFP 2

OrganismNot specified

UniProt P83597

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 ACETATE ION × 2 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name EAP2_EUCUL
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–41; UniProt 1–41

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_id1p9g
Deposition date deposition_date2003-05-12
Structure title titleCrystal structure of a novel antifungal protein distinct with five disulfide bridges from Ecommia ulmoides Oliver at atomic resolution
Keywords keywordsANTIFUNGAL PEPTIDE, ATOMIC RESOLUTION, ANTIFUNGAL PROTEIN; ANTIFUNGAL PROTEIN
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.

1p9g__assembly_1__model_1

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

Download this curve (.dat)

1p9g__assembly_1__model_1 | I(q)

10-2 10-1 104 105 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1p9g__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)9.39 Å
Rg (electron density)8.49 Å
Total Rg9.71 Å
Atom count539
Residues40
Excluded volume4973 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1p9g__assembly_1__model_1 monomeric (1) 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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1p9ga_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.1 — Plant lectins/antimicrobial peptides
Family Family familyg.3.1.1 — Hevein-like agglutinin (lectin) domain

CATH v4.4 (1 domains)

Domain ID domain_id1p9gA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
Homologous superfamily homologous superfamily10 — Endochitinase-like
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7. Citations (1)