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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：P0AAW9 New Search
5PDB entries
5Biological assembly
13chain/assembly records
Main Difference Dimensions in This Set
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
4C48 Crystal structure of AcrB-AcrZ complex Deposited 2013-09-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain C 1–49（49 aa）
Not recorded LMT DODECYL-BETA-D-MALTOSIDE × 27 NI NICKEL (II) ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；CRYSTALLISATION SOLUTION 100 MM HEPES, PH 7.5, 10 MM MGCL2 AND 12% (W/V) PEG 3350. SAMPLE BUFFER 10 MM HEPES PH: 7.5, 50 MM SODIUM CHLORIDE, 0.03% DDM N-DODECYL BETA-D-MALTOPYRANOSIDE
Resolution 3.30 Å R-free 0.322
5NG5 multi-drug efflux; membrane transport; RND superfamily; Drug resistance Deposited 2017-03-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
Chain M 1–49（49 aa）
Chain N 1–49（49 aa）
Chain O 1–49（49 aa）
Not recorded 5QF 6-[2-(3,4-dimethoxyphenyl)ethylsulfanyl]-8-[4-(2-methoxyethyl)piperazin-1-yl]-3,3-dimethyl-1,4-dihydropyrano[3,4-c]pyridine-5-carbonitrile × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；a 3ul aliquot at a concentration of 2 mg per ml was applied onto glow-discharged holey carbon grid (Quantifoil Au R1.21.3, 300 mesh)
Resolution 6.50 Å
6SGR Cryo-EM structure of Escherichia coli AcrBZ and DARPin in Saposin A-nanodisc with cardiolipin Deposited 2019-08-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain F 1–49（49 aa）
Chain G 1–49（49 aa）
Chain H 1–49（49 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.17 Å
9TG4 Structure of the YbjP lipoprotein bound to the AcrABZ-TolC efflux pump Deposited 2025-11-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: 18-meric（18） Consistent with protein count
Chain M 1–49（49 aa）
Chain N 1–49（49 aa）
Chain O 1–49（49 aa）
Not recorded CL CHLORIDE ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.17 Å
9V53 Structure of TolC, YbjP, and AcrABZ complex Deposited 2025-05-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain ZL 1–49（49 aa）
Chain ZO 1–49（49 aa）
Chain ZT 1–49（49 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 3.39 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.