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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：Q83LX4 New Search
14PDB entries
14Biological assembly
15chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental method 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
4Q35 Structure of a membrane protein Deposited 2014-04-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded C8E (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE × 6 LDA LAURYL DIMETHYLAMINE-N-OXIDE × 7 SO4 SULFATE ION × 9 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；289 K；10 mM sodium citrate (pH 5.6), 300mM lithium sulfate, 8% PEG 400, 100mM glycine, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.39 Å R-free 0.231
9I92 Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 1) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 3 A1I1D 1-[4,7-bis(2-chloranylethanoyl)-1,4,7-triazonan-1-yl]-2-chloranyl-ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.41 Å
9I93 Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 2) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 3 KZ0 2,4,6-tris(chloromethyl)-1,3,5-triazine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
9I94 Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 3) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 7 KZ0 2,4,6-tris(chloromethyl)-1,3,5-triazine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.84 Å
9I95 Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 4) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 2 A1I1E 1-[7,10-bis(2-chloranylethanoyl)-3,7,10-triazatricyclo[3.3.3.0^{1,5}]undecan-3-yl]-2-chloranyl-ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.35 Å
9I96 Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 5) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 3 R06 1-[3,5-bis(2-chloranylethanoyl)-1,3,5-triazinan-1-yl]-2-chloranyl-ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.67 Å
9I97 Cryo-EM structure of Shigella flexneri LptDE in complex with a Bicyclic Peptide binder (Compound 12) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 1 A1I1D 1-[4,7-bis(2-chloranylethanoyl)-1,4,7-triazonan-1-yl]-2-chloranyl-ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.48 Å
9I98 Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 13) Deposited 2025-02-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–193（175 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 3 R06 1-[3,5-bis(2-chloranylethanoyl)-1,3,5-triazinan-1-yl]-2-chloranyl-ethanone × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
9Q8N Cryo-EM structure of Shigella flexneri LptDE bound by a Bicyclic peptide molecule (Compound 16) Deposited 2025-02-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 19–169（151 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 2 PLM PALMITIC ACID × 1 Z41 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1 A1I4O 1,3,5-tris(2-chloroethylsulfonyl)-1,3,5-triazinane × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.54 Å
9RPR Cryo-EM structure of LptDEM complex containing Shigella flexneri LptE and endogenous E. coli LptD and LptM Deposited 2025-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–193（193 aa）
Not recorded PLM PALMITIC ACID × 1 PXS (2S)-propane-1,2-diyl dihexadecanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10mM HEPES, pH7.5, 100mM NaCl, 0.05% (w/v) DDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
9RPS Cryo-EM structure of Shigella flexneri LptDE in complex with RTP45 superinfection exclusion protein from RTP bacteriophage and endogenous LptM Deposited 2025-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–193（193 aa）
Not recorded PLM PALMITIC ACID × 1 PXS (2S)-propane-1,2-diyl dihexadecanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10mM HEPES, pH7.5, 100mM NaCl, 0.05% (w/v) DDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.01 Å
9RPT Cryo-EM structure of the open state of Shigella flexneri LptDE bound by the RBP of Oekolampad phage Deposited 2025-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–193（193 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10mM HEPES, pH7.5, 100mM NaCl, 0.05% (w/v) DDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
9RPW Cryo-EM structure of Shigella flexneri LptDE dimer: closed-state unbound and open-state bound by Oekolampad phage RBP Deposited 2025-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 1–193（193 aa）
Chain E 1–193（193 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10mM HEPES, pH7.5, 100mM NaCl, 0.05% (w/v) DDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9RQI Cryo-EM structure of Shigella flexneri LptDE bound by phage RBP reveals N-terminal strand insertion into lateral gate Deposited 2025-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–193（193 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10mM HEPES, pH7.5, 100mM NaCl, 0.05% (w/v) DDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 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.