5oll

Crystal structure of gurmarin, a sweet taste suppressing polypeptide

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

Gurmarin

Gymnema sylvestre

UniProt P25810

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 NICKEL (II) ION × 9 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GUR_GYMSY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–35; UniProt 1–35

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_id5oll
Deposition date deposition_date2017-07-28
Structure title titleCrystal structure of gurmarin, a sweet taste suppressing polypeptide
Keywords keywordsGurmarin, sweet, taste, knottin, GPCR, inhibitor, plant protein; PLANT 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.

5oll__assembly_1__model_1

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

Download this curve (.dat)

5oll__assembly_1__model_1 | I(q)

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

5oll__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)14.79 Å
Rg (electron density)14.87 Å
Total Rg15.24 Å
Atom count884
Residues105
Excluded volume15921 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5oll__assembly_1__model_1 trimeric (3) 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) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5olla_
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.4 — Gurmarin-like
Family Family familyg.3.4.1 — Gurmarin, a sweet taste-suppressing polypeptide
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7. Citations (1)