2d4x

Crystal structure of a 26K fragment of HAP3 (FlgL)

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

Flagellar hook-associated protein 3

Salmonella typhimurium

UniProt P16326

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name FLGL_SALTY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–248; UniProt 40–286

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_id2d4x
Deposition date deposition_date2005-10-25
Structure title titleCrystal structure of a 26K fragment of HAP3 (FlgL)
Keywords keywordsMulti-domain protein, alpha-helical bundle, complex all-beta folds, STRUCTURAL PROTEIN; STRUCTURAL 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.

2d4x__assembly_1__model_1

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

Download this curve (.dat)

2d4x__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.

2d4x__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)21.27 Å
Rg (electron density)20.94 Å
Total Rg21.62 Å
Atom count1592
Residues214
Excluded volume27966 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2d4x__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 (2)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2d4xA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1330 — f41 fragment of flagellin, N-terminal domain
Homologous superfamily homologous superfamily10 — f41 fragment of flagellin, N-terminal domain
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7. Citations (1)