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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：P25529 New Search
3PDB entries
3Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
Different ligand/ion 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
1AHH 7 ALPHA-HYDROXYSTEROID DEHYDROGENASE COMPLEXED WITH NAD+ Deposited 1995-08-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–255（255 aa）
Chain B 1–255（255 aa）
Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.30 Å R-free 0.265
1AHI 7 ALPHA-HYDROXYSTEROID DEHYDROGENASE COMPLEXED WITH NADH AND 7-OXO GLYCOCHENODEOXYCHOLIC ACID Deposited 1995-08-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–255（255 aa）
Chain B 1–255（255 aa）
Not recorded CHO GLYCOCHENODEOXYCHOLIC ACID × 4 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.30 Å R-free 0.250
1FMC 7-ALPHA-HYDROXYSTEROID DEHYDROGENASE COMPLEX WITH NADH AND 7-OXO GLYCOCHENODEOXYCHOLIC ACID Deposited 1996-04-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–255（255 aa）
Chain B 1–255（255 aa）
Not recorded CHO GLYCOCHENODEOXYCHOLIC ACID × 4 NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 1.80 Å R-free 0.252

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.