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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：P20457 New Search
7PDB entries
8Biological assembly
8chain/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
3LGB Crystal Structure of the Fe-S Domain of the yeast DNA primase Deposited 2010-01-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 317–512（196 aa） Fragment：Fe-S DOMAIN
Non-standard monomer：Yes (specific site not provided by mmCIF) SF4 IRON/SULFUR CLUSTER × 1 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；0.1M TrisHCl pH 7.5, 1mM Zn acetate, 11% ethanol, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.54 Å R-free 0.164
3LGB Crystal Structure of the Fe-S Domain of the yeast DNA primase Deposited 2010-01-20 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 317–512（196 aa） Fragment：Fe-S DOMAIN
Non-standard monomer：Yes (specific site not provided by mmCIF) SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；0.1M TrisHCl pH 7.5, 1mM Zn acetate, 11% ethanol, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.54 Å R-free 0.164
6DTV Crystal structure of eukaryotic DNA primase large subunit iron-sulfur cluster domain Y395F mutant Deposited 2018-06-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 316–512（197 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289 K；MPD, TRIS 8.5
Resolution 1.12 Å R-free 0.137
6DTZ Crystal structure of eukaryotic DNA primase large subunit iron-sulfur cluster domain, Y397F mutant Deposited 2018-06-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 316–512（197 aa）
Mutation：Y397F SF4 IRON/SULFUR CLUSTER × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289 K；100 mM TRIS, 40% MPD
Resolution 1.36 Å R-free 0.179
6DU0 Crystal structure of eukaryotic DNA primase large subunit iron-sulfur cluster domain Y395L mutant Deposited 2018-06-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 316–512（197 aa）
Mutation：Y395L GOL GLYCEROL × 1 SF4 IRON/SULFUR CLUSTER × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289 K；100 mM TRIS 8.5, 40-60% MPD
Resolution 1.82 Å R-free 0.324
8B9A S. cerevisiae replisome + Ctf4, bound by pol alpha primase. Complex engaged with a fork DNA substrate containing a 60 nucleotide lagging strand. Deposited 2022-10-05 Assembly 1 Protein–DNA Heteromer；Protein × 21 PDB declaration: 23-meric（23） Consistent with all polymers
Chain A 1–528（528 aa）
Not recorded ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 4 MG MAGNESIUM ION × 4 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8B9B S. cerevisiae replisome + Ctf4, bound by pol alpha. Complex engaged with a fork DNA substrate containing a 60 nucleotide lagging strand. Deposited 2022-10-05 Assembly 1 Protein–DNA Heteromer；Protein × 21 PDB declaration: 23-meric（23） Consistent with all polymers
Chain A 1–528（528 aa）
Not recorded ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 4 MG MAGNESIUM ION × 4 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8B9C S. cerevisiae pol alpha - replisome complex Deposited 2022-10-05 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain A 1–528（528 aa）
Not recorded ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 4 MG MAGNESIUM ION × 4 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.60 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.