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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：P53135 New Search
6PDB entries
8Biological assembly
12chain/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
3WI3 Crystal Structure of the Sld3/Treslin domain from yeast Sld3 Deposited 2013-09-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 148–430（283 aa） Fragment：UNP RESIDUES 148-430
Not recorded SO4 SULFATE ION × 1 EDO 1,2-ETHANEDIOL × 16 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；293 K；PEG 4000, LiSO4, pH 8.4, vapor diffusion, hanging drop, temperature 293K
Resolution 2.40 Å R-free 0.262
3WI3 Crystal Structure of the Sld3/Treslin domain from yeast Sld3 Deposited 2013-09-05 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 148–430（283 aa） Fragment：UNP RESIDUES 148-430
Not recorded SO4 SULFATE ION × 1 EDO 1,2-ETHANEDIOL × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；293 K；PEG 4000, LiSO4, pH 8.4, vapor diffusion, hanging drop, temperature 293K
Resolution 2.40 Å R-free 0.262
3WI3 Crystal Structure of the Sld3/Treslin domain from yeast Sld3 Deposited 2013-09-05 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 148–430（283 aa） Fragment：UNP RESIDUES 148-430
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.4；293 K；PEG 4000, LiSO4, pH 8.4, vapor diffusion, hanging drop, temperature 293K
Resolution 2.40 Å R-free 0.262
8J09 Crystal structure of the Sld3 Cdc45-binding-domain, in complex with Cdc45 Deposited 2023-04-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 154–420（267 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293.15 K；0.2M sodium acetate, 0.1M Bis-Tris propane (pH6.5: pH8.5 = 3:7), 20%(w/v) PEG33500
Resolution 2.61 Å R-free 0.262
9RHI pre-Initiation Complex on ARS1 DNA (monomer) Deposited 2025-06-09 Assembly 1 Protein–DNA Heteromer；Protein × 17 PDB declaration: 19-meric（19） Consistent with all polymers
Chain Q 1–668（668 aa）
Chain T 1–668（668 aa）
Not recorded ZN ZINC ION × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9RHJ Pre-Initiation Complex on ARS1 DNA (dimer) Deposited 2025-06-09 Assembly 1 Protein–DNA Heteromer；Protein × 30 PDB declaration: 32-meric（32） Consistent with all polymers
Chain Q 1–668（668 aa）
Chain T 1–668（668 aa）
Not recorded ZN ZINC ION × 10 ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9RHL Phospho-DH bound by Sld3-MBD on ARS1 DNA Deposited 2025-06-09 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: 16-meric（16） Consistent with all polymers
Chain H 1–668（668 aa）
Chain I 1–668（668 aa）
Not recorded ZN ZINC ION × 10 ADP ADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9RHM Phospho-MCM double hexamer bound to Sld3-Sld7-Cdc45 on ARS1 DNA Deposited 2025-06-09 Assembly 1 Protein–DNA Heteromer；Protein × 17 PDB declaration: 19-meric（19） Consistent with all polymers
Chain H 1–668（668 aa）
Chain I 1–668（668 aa）
Not recorded ZN ZINC ION × 10 ADP ADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 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.