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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：Q12400 New Search
4PDB entries
5Biological assembly
6chain/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
4JWJ Crystal structure of scTrm10(84)-SAH complex Deposited 2013-03-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 84–276（193 aa） Fragment：UNP RESIDUES 84-276
Not recorded SO4 SULFATE ION × 3 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；287 K；1.5M Lithium sulfate monohydrate, 0.1M BIS-TRIS propane, pH 7.0, vapor diffusion, hanging drop, temperature 287K
Resolution 1.76 Å R-free 0.251
4JWJ Crystal structure of scTrm10(84)-SAH complex Deposited 2013-03-27 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 84–276（193 aa） Fragment：UNP RESIDUES 84-276
Not recorded SO4 SULFATE ION × 1 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；287 K；1.5M Lithium sulfate monohydrate, 0.1M BIS-TRIS propane, pH 7.0, vapor diffusion, hanging drop, temperature 287K
Resolution 1.76 Å R-free 0.251
9XZQ Trm10-tRNA complex (closed conformation) Deposited 2025-08-27 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain B 1–293（293 aa）
Not recorded AN6 5'-{[(3S)-3-amino-3-carboxypropyl](ethyl)amino}-5'-deoxyadenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.63 Å
9XZR Trm10-tRNA complex (open conformation) Deposited 2025-08-27 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain B 1–293（293 aa）
Not recorded AN6 5'-{[(3S)-3-amino-3-carboxypropyl](ethyl)amino}-5'-deoxyadenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.37 Å
9XZS Trm10-tRNA complex (Two Trm10 monomers bound to one tRNA) Deposited 2025-08-27 Assembly 1 Protein–RNA Homooligomer；Protein × 2 PDB declaration: trimeric（3） Consistent with all polymers
Chain B 1–293（293 aa）
Chain C 1–293（293 aa）
Not recorded AN6 5'-{[(3S)-3-amino-3-carboxypropyl](ethyl)amino}-5'-deoxyadenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.89 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.