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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P54702 New Search
15PDB entries
15Biological assembly
15chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
6F2D A FliPQR complex forms the core of the Salmonella type III secretion system export apparatus. Deposited 2017-11-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain F 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
6R69 Improved map of the FliPQR complex that forms the core of the Salmonella type III secretion system export apparatus. Deposited 2019-03-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain F 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.65 Å
7CGO Cryo-EM structure of the flagellar motor-hook complex from Salmonella Deposited 2020-07-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 219 PDB declaration: 219-meric（219） Consistent with protein count
Chain CE 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；blot for 6 seconds before plunging
Resolution 3.90 Å
7E80 Cryo-EM structure of the flagellar rod with hook and export apparatus from Salmonella Deposited 2021-02-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 77 PDB declaration: 77-meric（77） Consistent with protein count
Chain CE 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；blot for 6 seconds before plunging
Resolution 3.67 Å
8WK3 Cryo-EM structure of the proximal rod-export apparatus and FlgF within the motor-hook complex in the CW state Deposited 2023-09-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 43 PDB declaration: 43-meric（43） Consistent with protein count
Chain E 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2
Resolution 3.30 Å
8WKK Cryo-EM structure of the whole rod with export apparatus and hook within the flagellar motor-hook complex in the CW state. Deposited 2023-09-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric（96） Consistent with protein count
Chain E 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2
Resolution 3.30 Å
8WKQ Cryo-EM structure of the MS ring (C1) with export apparatus and proximal rod within the flagellar motor-hook complex in the CW state. Deposited 2023-09-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 103 PDB declaration: 103-meric（103） Consistent with protein count
Chain E 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2
Resolution 3.80 Å
8WL2 Cryo-EM structure of the membrane-anchored part of the flagellar motor-hook complex in the CW state. Deposited 2023-09-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 213 PDB declaration: 213-meric（213） Consistent with protein count
Chain At 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2
Resolution 3.40 Å
8WLH Cryo-EM structure of the proximal rod-export apparatus and FlgF within the motor-hook complex in the CCW state Deposited 2023-09-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 43 PDB declaration: 43-meric（43） Consistent with protein count
Chain E 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 2 Blot force: -15 Wait time: 60 Blot total: 1
Resolution 3.70 Å
8WLN Cryo-EM structure of the MS ring with export apparatus and proximal rod within the motor-hook complex in the CCW state Deposited 2023-09-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 103 PDB declaration: 103-meric（103） Consistent with protein count
Chain E 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 2 Blot force: -15 Wait time: 60 Blot total: 1
Resolution 4.30 Å
8WLQ Cryo-EM structure of the whole rod-export apparatus with hook within the flagellar motor-hook complex in the CCW state. Deposited 2023-09-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric（96） Consistent with protein count
Chain E 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 2 Blot force: -15 Wait time: 60 Blot total: 1
Resolution 3.80 Å
8WLT Cryo-EM structure of the membrane-anchored part of the flagellar motor-hook complex in the CCW state Deposited 2023-10-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 213 PDB declaration: 213-meric（213） Consistent with protein count
Chain At 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 2 Blot force: -15 Wait time: 60 Blot total: 1
Resolution 4.10 Å
8WO5 Cryo-EM structure of the intact flagellar motor-hook complex in the CCW state Deposited 2023-10-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 417 PDB declaration: 417-meric（417） Consistent with protein count
Chain At 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 2 Blot force: -5 Wait time: 5 Blot total: 1 Drain time: 2
Resolution 7.40 Å
8WOE Cryo-EM structure of the intact flagellar motor-hook complex in the CW state Deposited 2023-10-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 451 PDB declaration: 451-meric（451） Consistent with protein count
Chain At 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2
Resolution 4.30 Å
9K29 Structure of the Salmonella flagellar FliPQR complex reconstituted in the peptidisc Deposited 2024-10-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain F 1–264（264 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.