6duz

Structure of the periplasmic domains of PrgH and PrgK from the assembled Salmonella type III secretion injectisome needle complex

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Protein PrgH

OrganismNot specified

UniProt P41783

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 48 Lipoprotein PrgK × 24 (P41786) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PRGH_SALTY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–392; UniProt 1–392 Author chain B; PDBConstruct 1–392; UniProt 1–392 Author chain C; PDBConstruct 1–392; UniProt 1–392 Author chain D; PDBConstruct 1–392; UniProt 1–392 Author chain E; PDBConstruct 1–392; UniProt 1–392 Author chain F; PDBConstruct 1–392; UniProt 1–392 Author chain G; PDBConstruct 1–392; UniProt 1–392 Author chain H; PDBConstruct 1–392; UniProt 1–392 Author chain I; PDBConstruct 1–392; UniProt 1–392 Author chain J; PDBConstruct 1–392; UniProt 1–392 Author chain K; PDBConstruct 1–392; UniProt 1–392 Author chain L; PDBConstruct 1–392; UniProt 1–392 Author chain M; PDBConstruct 1–392; UniProt 1–392 Author chain N; PDBConstruct 1–392; UniProt 1–392 Author chain O; PDBConstruct 1–392; UniProt 1–392 Author chain P; PDBConstruct 1–392; UniProt 1–392 Author chain Q; PDBConstruct 1–392; UniProt 1–392 Author chain R; PDBConstruct 1–392; UniProt 1–392 Author chain S; PDBConstruct 1–392; UniProt 1–392 Author chain T; PDBConstruct 1–392; UniProt 1–392 Author chain U; PDBConstruct 1–392; UniProt 1–392 Author chain V; PDBConstruct 1–392; UniProt 1–392 Author chain W; PDBConstruct 1–392; UniProt 1–392 Author chain X; PDBConstruct 1–392; UniProt 1–392

Lipoprotein PrgK

OrganismNot specified

UniProt P41786

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 48 Protein PrgH × 24 (P41783) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PRGK_SALTY
Isoform —
PDB entities 2
Chains and sequence ranges Author chain Y; PDBConstruct 1–252; UniProt 1–252 Author chain Z; PDBConstruct 1–252; UniProt 1–252 Author chain a; PDBConstruct 1–252; UniProt 1–252 Author chain b; PDBConstruct 1–252; UniProt 1–252 Author chain c; PDBConstruct 1–252; UniProt 1–252 Author chain d; PDBConstruct 1–252; UniProt 1–252 Author chain e; PDBConstruct 1–252; UniProt 1–252 Author chain f; PDBConstruct 1–252; UniProt 1–252 Author chain g; PDBConstruct 1–252; UniProt 1–252 Author chain h; PDBConstruct 1–252; UniProt 1–252 Author chain i; PDBConstruct 1–252; UniProt 1–252 Author chain j; PDBConstruct 1–252; UniProt 1–252 Author chain k; PDBConstruct 1–252; UniProt 1–252 Author chain l; PDBConstruct 1–252; UniProt 1–252 Author chain m; PDBConstruct 1–252; UniProt 1–252 Author chain n; PDBConstruct 1–252; UniProt 1–252 Author chain o; PDBConstruct 1–252; UniProt 1–252 Author chain p; PDBConstruct 1–252; UniProt 1–252 Author chain q; PDBConstruct 1–252; UniProt 1–252 Author chain r; PDBConstruct 1–252; UniProt 1–252 Author chain s; PDBConstruct 1–252; UniProt 1–252 Author chain t; PDBConstruct 1–252; UniProt 1–252 Author chain u; PDBConstruct 1–252; UniProt 1–252 Author chain v; PDBConstruct 1–252; UniProt 1–252

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_id6duz
Deposition date deposition_date2018-06-22
Structure title titleStructure of the periplasmic domains of PrgH and PrgK from the assembled Salmonella type III secretion injectisome needle complex
Keywords keywordsType III secretion system, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

6duz__assembly_1__model_1

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

Download this curve (.dat)

6duz__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 108 109 1010 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6duz__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)87.79 Å
Rg (electron density)87.57 Å
Total Rg87.71 Å
Atom count72744
Residues9072
Excluded volume1288800 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6duz__assembly_1__model_1 48-meric (48) 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) 72 domains

CATH v4.4 (72 domains)

Domain ID domain_id6duzA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzB03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzC03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzD03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzE01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzE02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzE03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzF01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzF02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzF03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzG01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzG02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzG03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzH01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzH02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzH03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzI01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzI02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzI03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzJ01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzJ02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzJ03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzK01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzK02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzK03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzL01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzL02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzL03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzM01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzM02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzM03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzN01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzN02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzN03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzO01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzO02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzO03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzP01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzP02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzP03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzQ01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzQ02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzQ03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzR01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzR02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzR03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzS01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzS02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzS03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzT01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzT02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzT03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzU01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzU02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzU03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzV01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzV02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzV03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzW01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzW02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzW03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
Domain ID domain_id6duzX01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1780 —
Domain ID domain_id6duzX02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily170 —
Domain ID domain_id6duzX03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1770 —
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7. Citations (1)