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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：P00582 New Search
14PDB entries
14Biological assembly
14chain/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
1D8Y CRYSTAL STRUCTURE OF THE COMPLEX OF DNA POLYMERASE I KLENOW FRAGMENT WITH DNA Deposited 1999-10-26 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa） Fragment：KLENOW FRAGMENT
Mutation：D355A, E357A ZN ZINC ION × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.4；295 K；SODIUM CITRATE, pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 2.08 Å R-free 0.233
1DPI STRUCTURE OF LARGE FRAGMENT OF ESCHERICHIA COLI DNA POLYMERASE I COMPLEXED WITH D/TMP Deposited 1987-08-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 324–928（605 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.80 Å
1KFD CRYSTAL STRUCTURES OF THE KLENOW FRAGMENT OF DNA POLYMERASE I COMPLEXED WITH DEOXYNUCLEOSIDE TRIPHOSPHATE AND PYROPHOSPHATE Deposited 1993-09-23 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 324–928（605 aa）
Not recorded CTP CYTIDINE-5'-TRIPHOSPHATE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.90 Å
1KFS DNA POLYMERASE I KLENOW FRAGMENT (E.C.2.7.7.7) MUTANT/DNA COMPLEX Deposited 1997-08-18 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa）
Mutation：V324M MG MAGNESIUM ION × 1 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；1.4 M NA CITRATE PH 5.8
Resolution 2.10 Å R-free 0.219
1KLN DNA POLYMERASE I KLENOW FRAGMENT (E.C.2.7.7.7) MUTANT/DNA COMPLEX Deposited 1994-05-24 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 324–928（605 aa）
Mutation：D355A ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.8；290 K；pH 6.80, VAPOR DIFFUSION, temperature 290.00K
Resolution 3.20 Å
1KRP DNA polymerase I Klenow fragment (E.C.2.7.7.7) mutant/DNA complex Deposited 1997-08-19 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa）
Mutation：V324M ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；1.4 M NA CITRATE PH 5.8
Resolution 2.20 Å R-free 0.255
1KSP DNA polymerase I Klenow fragment (E.C.2.7.7.7) mutant/DNA complex Deposited 1997-08-19 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa）
Mutation：V324M ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；1.4 M NA CITRATE PH 5.8
Resolution 2.30 Å R-free 0.241
1QSL KLENOW FRAGMENT COMPLEXED WITH SINGLE-STRANDED SUBSTRATE AND EUROPIUM (III) ION Deposited 1999-06-22 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa） Fragment：KLENOW FRAGMENT
Mutation：V324M EU EUROPIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；290 K；1.5 M SODIUM CITRATE AT 290 K, pH 5.60, VAPOR DIFFUSION, HANGING DROP
Resolution 2.20 Å R-free 0.255
2KFN KLENOW FRAGMENT WITH BRIDGING-SULFUR SUBSTRATE AND MANGANESE Deposited 1998-07-01 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 325–928（604 aa） Fragment：LARGE FRAGMENT, KLENOW FRAGMENT
Mutation：V324M MN MANGANESE (II) ION × 1 ZN ZINC ION × 3 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；1.4 M NA CITRATE PH 5.8
Resolution 2.03 Å R-free 0.250
2KFZ KLENOW FRAGMENT WITH BRIDGING-SULFUR SUBSTRATE AND ZINC ONLY Deposited 1998-07-02 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 325–928（604 aa） Fragment：LARGE FRAGMENT, KLENOW FRAGMENT
Mutation：V324M ZN ZINC ION × 4 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；1.4 M NA CITRATE PH 5.8
Resolution 2.03 Å R-free 0.255
2KZM KLENOW FRAGMENT WITH NORMAL SUBSTRATE AND ZINC AND MANGANESE Deposited 1998-07-03 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa） Fragment：KLENOW FRAGMENT, LARGE FRAGMENT
Not recorded MN MANGANESE (II) ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；1.4 M SODIUM CITRATE PH 5.8, pH 5.5, VAPOR DIFFUSION, HANGING DROP
Resolution 2.60 Å R-free 0.243
2KZZ KLENOW FRAGMENT WITH NORMAL SUBSTRATE AND ZINC ONLY Deposited 1998-07-07 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 324–928（605 aa） Fragment：KLENOW FRAGMENT, LARGE FRAGMENT
Not recorded ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；1.4 M SODIUM CITRATE PH 5.8, pH 5.5, VAPOR DIFFUSION, HANGING DROP
Resolution 2.25 Å R-free 0.251
8OO6 Pol I bound to extended and displaced DNA section - closed conformation Deposited 2023-04-04 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 328–928（601 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
8OOY Pol I bound to extended and displaced DNA section - open conformation Deposited 2023-04-06 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 328–928（601 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 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.