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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：P0ABP8 New Search
16PDB entries
17Biological assembly
60chain/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
1A69 PURINE NUCLEOSIDE PHOSPHORYLASE IN COMPLEX WITH FORMYCIN B AND SULPHATE (PHOSPHATE) Deposited 1998-03-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Not recorded SO4 SULFATE ION × 6 FMB FORMYCIN B × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.3；28-35% AMMONIUM SULPHATE, 50 MM CITRATE BUFFER, PH 5.2-5.4, pH 5.3
Resolution 2.10 Å
1ECP PURINE NUCLEOSIDE PHOSPHORYLASE Deposited 1995-07-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Chain D 1–238（238 aa）
Chain E 1–238（238 aa）
Chain F 1–238（238 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.290
1K9S PURINE NUCLEOSIDE PHOSPHORYLASE FROM E. COLI IN COMPLEX WITH FORMYCIN A DERIVATIVE AND PHOSPHATE Deposited 2001-10-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–237（237 aa）
Chain B 1–237（237 aa）
Chain C 1–237（237 aa）
Chain D 1–237（237 aa）
Chain E 1–237（237 aa）
Chain F 1–237（237 aa）
Not recorded PO4 PHOSPHATE ION × 6 FM2 2-(7-AMINO-6-METHYL-3H-PYRAZOLO[4,3-D]PYRIMIDIN-3-YL)-5-HYDROXYMETHYL-TETRAHYDRO-FURAN-3,4-DIOL × 3 FM1 2-HYDROXYMETHYL-5-(7-METHYLAMINO-3H-PYRAZOLO[4,3-D]PYRIMIDIN-3-YL)-TETRAHYDRO-FURAN-3,4-DIOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；28-35% ammonium sulphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.00 Å R-free 0.184
1OTX Purine Nucleoside Phosphorylase M64V mutant Deposited 2003-03-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Mutation：M64V Mutation：M64V Mutation：M64V PO4 PHOSPHATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；295 K；50mM sodium citrate, 30%ammonium sulfate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.70 Å R-free 0.247
1OTY Native PNP +ALLO Deposited 2003-03-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Not recorded PO4 PHOSPHATE ION × 6 6MP 6-METHYLPURINE × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；295 K；50mM sodium citrate, 30% ammonium sulfate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.50 Å R-free 0.236
1OU4 Native PNP +Talo Deposited 2003-03-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Not recorded PO4 PHOSPHATE ION × 6 6MP 6-METHYLPURINE × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；295 K；50mM sodium Citrate, 30% ammonium sulfate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.50 Å R-free 0.244
1OUM M64V PNP +Talo Deposited 2003-03-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Mutation：M64V Mutation：M64V Mutation：M64V TAL 9-(6-DEOXY-ALPHA-L-TALOFURANOSYL)-6-METHYLPURINE × 6 PO4 PHOSPHATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；295 K；50mM sodium citrate, 30% ammonium sulfate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.40 Å R-free 0.260
1OV6 M64V PNP + ALLO Deposited 2003-03-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa） Fragment：Purine Nuleoside Phosphorylase
Chain B 1–238（238 aa） Fragment：Purine Nuleoside Phosphorylase
Chain C 1–238（238 aa） Fragment：Purine Nuleoside Phosphorylase
Mutation：M64V Mutation：M64V Mutation：M64V PO4 PHOSPHATE ION × 6 DBM 9-(6-DEOXY-BETA-D-ALLOFURANOSYL)-6-METHYLPURINE × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；295 K；50mM sodium citrate, 30% ammonium sulfate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.40 Å R-free 0.258
1OVG M64V PNP +MePdr Deposited 2003-03-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–238（238 aa）
Chain B 1–238（238 aa）
Chain C 1–238（238 aa）
Mutation：M64V Mutation：M64V Mutation：M64V PO4 PHOSPHATE ION × 6 MDR 9-(2-DEOXY-BETA-D-RIBOFURANOSYL)-6-METHYLPURINE × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；295 K；50mM sodium citrate, 30% ammonium sulfate , pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.20 Å R-free 0.259
3UT6 Crystal structure of E. Coli PNP complexed with PO4 and formycin A Deposited 2011-11-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 2–238（237 aa）
Chain B 2–238（237 aa）
Chain C 2–238（237 aa）
Not recorded FMC (1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol × 6 PO4 PHOSPHATE ION × 10 X-RAY DIFFRACTION
X-ray crystallization conditions hanging drop；pH 5.2；291 K；50mM citrate buffer, 35% ammonium phosphate (w/v), pH 5.2, hanging drop, temperature 291K
Resolution 1.90 Å R-free 0.187
4TTI Crystal structure of double mutant E. Coli purine nucleoside phosphorylase with 4 FMC molecules Deposited 2014-06-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: Hexameric（6） Consistent with protein count
Chain A 2–238（237 aa）
Chain B 2–238（237 aa）
Chain C 2–238（237 aa）
Chain D 2–238（237 aa）
Chain E 2–238（237 aa）
Chain F 2–238（237 aa）
Not recorded FMC (1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol × 4 PO4 PHOSPHATE ION × 6 SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；291 K；50 mM citric buffer, 34 % ammonium sulphate
Resolution 1.89 Å R-free 0.210
4TTJ Crystal structure of double mutant E. Coli purine nucleoside phosphorylase with 6 FMC molecules Deposited 2014-06-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: Hexameric（6） Consistent with protein count
Chain A 2–238（237 aa）
Chain B 2–238（237 aa）
Chain D 2–238（237 aa）
Not recorded PO4 PHOSPHATE ION × 6 FMC (1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol × 6 SO4 SULFATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；291 K；50 mM citric buffer, 32 % ammonium sulphate
Resolution 1.87 Å R-free 0.194
5IU6 Crystal structure of E.coli purine nucleoside phosphorylase with 7-deazahypoxanthine Deposited 2016-03-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 2–238（237 aa）
Chain B 2–238（237 aa）
Chain C 2–238（237 aa）
Not recorded 7HX 7H-pyrrolo[2,3-d]pyrimidin-4-ol × 6 SO4 SULFATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions LIQUID DIFFUSION；294 K；AMMONIUM SULPHATE
Resolution 2.51 Å R-free 0.200
6XZ2 Crystal structure of E. Coli purine nucleoside phosphorylase mutant Y160W with SO4 and Formycin A Deposited 2020-01-31 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 2–238（237 aa）
Chain B 2–238（237 aa）
Chain C 2–238（237 aa）
Mutation：Y160W Mutation：Y160W Mutation：Y160W SO4 SULFATE ION × 6 FMC (1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；291 K；50 mM citrate buffer pH 5.2, 14 % ammonium sulphate (w/v)
Resolution 1.65 Å R-free 0.192
6XZ2 Crystal structure of E. Coli purine nucleoside phosphorylase mutant Y160W with SO4 and Formycin A Deposited 2020-01-31 Assembly 2 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–238（237 aa）
Chain B 2–238（237 aa）
Chain C 2–238（237 aa）
Mutation：Y160W Mutation：Y160W Mutation：Y160W SO4 SULFATE ION × 3 FMC (1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；291 K；50 mM citrate buffer pH 5.2, 14 % ammonium sulphate (w/v)
Resolution 1.65 Å R-free 0.192
9FPE Wild type Purine Nucleoside Phosphorylase from E.coli in complex with N2,3-etheno-2-aminopurine Deposited 2024-06-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–239（239 aa）
Chain B 1–239（239 aa）
Chain C 1–239（239 aa）
Not recorded GOL GLYCEROL × 6 A1IEC N,2,3-etheno-2-aminopurine × 6 PO4 PHOSPHATE ION × 6 SO4 SULFATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；291 K；Citrate buffer pH 5.2, amonium sulphate 15% w/v
Resolution 1.35 Å R-free 0.213
9FXE D204N mutant of Purine Nucleoside Phosphorylase from E.coli in complex with N2,3-etheno-2-aminopurine Deposited 2024-07-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–239（239 aa）
Chain B 1–239（239 aa）
Chain C 1–239（239 aa）
Not recorded PO4 PHOSPHATE ION × 6 A1IEC N,2,3-etheno-2-aminopurine × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；291 K；Citrate buffer pH 5.2, amonium sulphate 24% w/v
Resolution 2.12 Å R-free 0.233

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.