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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：P23540 New Search
8PDB entries
9Biological assembly
9chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
1BK7 RIBONUCLEASE MC1 FROM THE SEEDS OF BITTER GOURD Deposited 1998-07-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.7；PROTEN WAS CRYSTALLIZED FROM THE 1:1 MIXTURE OF 10MG/ML PROTEIN SOLUTION IN 5MM TRIS-HCL PH7.2 AND 30% PEG 6000, 0.2M NA-ACETATE, 0.1M NA-CACODYLATE PH 6.7
Resolution 1.75 Å R-free 0.241
1J1F Crystal structure of the RNase MC1 mutant N71T in complex with 5'-GMP Deposited 2002-12-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Mutation：N71T 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；293 K；0.2M ammonium acetate, 0.1M tri-sodium citrate, 27.5% PEG8000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.60 Å R-free 0.244
1J1G Crystal structure of the RNase MC1 mutant N71S in complex with 5'-GMP Deposited 2002-12-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–191（190 aa）
Mutation：N71S 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.2M sodium acetate, 0.1M sodium cacodylate, 24% PEG8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.60 Å R-free 0.242
1UCA Crystal structure of the Ribonuclease MC1 from bitter gourd seeds complexed with 2'-UMP Deposited 2003-04-10 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded U2P PHOSPHORIC ACID MONO-[2-(2,4-DIOXO-3,4-DIHYDRO-2H-PYRIMIDIN-1-YL)-4-HYDROXY-5-HYDROXYMETHYL-TETRAHYDRO-FURAN-3-YL] ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.7；293 K；PEG 8000, sodium acetate, sodium cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.48 Å R-free 0.213
1UCC Crystal structure of the Ribonuclease MC1 from bitter gourd seeds complexed with 3'-UMP. Deposited 2003-04-10 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded U3P 3'-URIDINEMONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.7；293 K；PEG 8000, sodium acetate, sodium cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.77 Å R-free 0.214
1UCD Crystal structure of Ribonuclease MC1 from bitter gourd seeds complexed with 5'-UMP Deposited 2003-04-10 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Not recorded U5P URIDINE-5'-MONOPHOSPHATE × 1 URA URACIL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.1；293 K；PEG 8000, sodium acetate, sodium cacodylate, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.30 Å R-free 0.203
1UCG Crystal structure of Ribonuclease MC1 N71T mutant Deposited 2003-04-14 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–191（190 aa）
Mutation：N71T MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；PEG 1540, Manganese Cloride tetrahydrate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.65 Å R-free 0.196
1UCG Crystal structure of Ribonuclease MC1 N71T mutant Deposited 2003-04-14 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 2–191（190 aa）
Mutation：N71T MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；PEG 1540, Manganese Cloride tetrahydrate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.65 Å R-free 0.196
1V9H Crystal structure of the RNase MC1 mutant Y101A in complex with 5'-UMP Deposited 2004-01-26 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–191（191 aa）
Mutation：Y101A SO4 SULFATE ION × 3 U5P URIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；2.0M ammonium sulfate, 100mM sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.00 Å R-free 0.257

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.