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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：P52952 New Search
4PDB entries
8Biological assembly
9chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
3RKQ NKX2.5 Homeodomain dimer bound to ANF-242 DNA Deposited 2011-04-18 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 138–194（57 aa） Fragment：Homeodomain, UNP residues 138-194
Chain B 138–194（57 aa） Fragment：Homeodomain, UNP residues 138-194
Mutation：C193S Mutation：C193S MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；50mM Tris pH 7.0, 5mM MgCl2, 15% polyethylene glycol monomethyl ether 550 , VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.70 Å R-free 0.257
4S0H TBX5 DB, NKX2.5 HD, ANF DNA Complex Deposited 2014-12-31 Assembly 1 Protein–DNA Heteromer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain B 142–194（53 aa） Fragment：HD (UNP residues 142-194)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.82 Å R-free 0.247
4S0H TBX5 DB, NKX2.5 HD, ANF DNA Complex Deposited 2014-12-31 Assembly 2 Protein–DNA Heteromer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain F 142–194（53 aa） Fragment：HD (UNP residues 142-194)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.82 Å R-free 0.247
6WC2 Crystal Structure of a Ternary MEF2 Chimera/NKX2-5/myocardin enhancer DNA Complex Deposited 2020-03-29 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain O 137–197（61 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；0.15 M DL-Malic acid pH 7.0, 20% Polyethylene glycol 3350
Resolution 2.10 Å R-free 0.225
6WC2 Crystal Structure of a Ternary MEF2 Chimera/NKX2-5/myocardin enhancer DNA Complex Deposited 2020-03-29 Assembly 2 Insufficient information Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain M 137–197（61 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；0.15 M DL-Malic acid pH 7.0, 20% Polyethylene glycol 3350
Resolution 2.10 Å R-free 0.225
6WC2 Crystal Structure of a Ternary MEF2 Chimera/NKX2-5/myocardin enhancer DNA Complex Deposited 2020-03-29 Assembly 3 Insufficient information Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain N 137–197（61 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；0.15 M DL-Malic acid pH 7.0, 20% Polyethylene glycol 3350
Resolution 2.10 Å R-free 0.225
6WC5 Crystal Structure of a Ternary MEF2B/NKX2-5/myocardin enhancer DNA Complex Deposited 2020-03-29 Assembly 1 Protein–DNA Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain I 140–196（57 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；100 mM HEPES pH 7.0, 18% PEG 2000
Resolution 2.90 Å R-free 0.251
6WC5 Crystal Structure of a Ternary MEF2B/NKX2-5/myocardin enhancer DNA Complex Deposited 2020-03-29 Assembly 2 Protein–DNA Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain N 140–196（57 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；100 mM HEPES pH 7.0, 18% PEG 2000
Resolution 2.90 Å R-free 0.251

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.