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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：P01233 New Search
3PDB entries
5Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1HCN STRUCTURE OF HUMAN CHORIONIC GONADOTROPIN AT 2.6 ANGSTROMS RESOLUTION FROM MAD ANALYSIS OF THE SELENOMETHIONYL PROTEIN Deposited 1994-07-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 21–165（145 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.60 Å
1HCN STRUCTURE OF HUMAN CHORIONIC GONADOTROPIN AT 2.6 ANGSTROMS RESOLUTION FROM MAD ANALYSIS OF THE SELENOMETHIONYL PROTEIN Deposited 1994-07-01 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 21–165（145 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.60 Å
1HRP CRYSTAL STRUCTURE OF HUMAN CHORIONIC GONADOTROPIN Deposited 1994-08-15 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 21–165（145 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å R-free 0.314
1HRP CRYSTAL STRUCTURE OF HUMAN CHORIONIC GONADOTROPIN Deposited 1994-08-15 Assembly 2 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 21–165（145 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.00 Å R-free 0.314
1QFW TERNARY COMPLEX OF HUMAN CHORIONIC GONADOTROPIN WITH FV ANTI ALPHA SUBUNIT AND FV ANTI BETA SUBUNIT Deposited 1999-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain B 1–145（145 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；1.8 M ammonium Sulfate, 100 mM tris/HCl pH 8.0, protein concentration 3 mg/ml
Resolution 3.50 Å R-free 0.310

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.