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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：O53830 New Search
2PDB entries
4Biological assembly
9chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
4O1I Crystal Structure of the regulatory domain of MtbGlnR Deposited 2013-12-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–118（118 aa） Fragment：UNP residues 1-118
Chain B 1–118（118 aa） Fragment：UNP residues 1-118
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；277 K；1.8M sodium acetate trihydrate, 0.1M Bis-Tris propane, pH 7.0, vapor diffusion, temperature 277K
Resolution 2.80 Å R-free 0.225
4O1I Crystal Structure of the regulatory domain of MtbGlnR Deposited 2013-12-16 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–118（118 aa） Fragment：UNP residues 1-118
Chain D 1–118（118 aa） Fragment：UNP residues 1-118
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；277 K；1.8M sodium acetate trihydrate, 0.1M Bis-Tris propane, pH 7.0, vapor diffusion, temperature 277K
Resolution 2.80 Å R-free 0.225
4O1I Crystal Structure of the regulatory domain of MtbGlnR Deposited 2013-12-16 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–118（118 aa） Fragment：UNP residues 1-118
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；277 K；1.8M sodium acetate trihydrate, 0.1M Bis-Tris propane, pH 7.0, vapor diffusion, temperature 277K
Resolution 2.80 Å R-free 0.225
8HIH Cryo-EM structure of Mycobacterium tuberculosis transcription initiation complex with transcription factor GlnR Deposited 2022-11-20 Assembly 1 Protein–DNA Heteromer；Protein × 11 PDB declaration: tridecameric（13） Consistent with all polymers
Chain N 1–255（255 aa）
Chain O 1–255（255 aa）
Chain P 1–255（255 aa）
Chain Q 1–255（255 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.66 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.