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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：I6X9I6 New Search
1PDB entries
1Biological assembly
1chain/assembly records
Main Difference Dimensions in This Set
No difference found in parsed fields

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
5UH8 Crystal structure of Mycobacterium tuberculosis transcription initiation complex containing 4nt RNA Deposited 2017-01-11 Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: nonameric（9） Consistent with all polymers
Chain D 1–1316（1316 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；50 mM Tris-HCl, pH 8.2, 200 mM KCl, 50 mM MgCl2, and 10% PEG3350
Resolution 4.18 Å R-free 0.257

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.