2mex

Structure of the tetrameric building block of the Salmonella Typhimurium PrgI Type three secretion system needle

Method: SOLID-STATE NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Protein PrgI

Salmonella enterica subsp. enterica serovar Typhimurium

UniProt P41784

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PRGI_SALTY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–80; UniProt 1–80 Author chain B; PDBConstruct 1–80; UniProt 1–80 Author chain C; PDBConstruct 1–80; UniProt 1–80 Author chain D; PDBConstruct 1–80; UniProt 1–80

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_id2mex
Deposition date deposition_date2013-10-01
Structure title titleStructure of the tetrameric building block of the Salmonella Typhimurium PrgI Type three secretion system needle
Keywords keywordsSecretion, Needle, Filament, PROTEIN TRANSPORT; PROTEIN TRANSPORT
Experimental Method methodSOLID-STATE NMR
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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.

2mex__assembly_1__model_6

Assembly 1 · Model 6 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2mex__assembly_1__model_6 | I(q)

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

2mex__assembly_1__model_6 | 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)26.63 Å
Rg (electron density)26.86 Å
Total Rg27.42 Å
Atom count4960
Residues320
Excluded volume44393 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2mex__assembly_1__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2mex__assembly_1__model_2 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2mex__assembly_1__model_3 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2mex__assembly_1__model_4 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2mex__assembly_1__model_5 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2mex__assembly_1__model_6 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2mex__assembly_1__model_7 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2mex__assembly_1__model_8 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2mex__assembly_1__model_9 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2mex__assembly_1__model_10 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2mex__assembly_1__model_11 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2mex__assembly_1__model_12 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2mex__assembly_1__model_13 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2mex__assembly_1__model_14 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2mex__assembly_1__model_15 tetrameric (4) 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 (1)

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7. Citations (1)