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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：P02789 New Search
12PDB entries
13Biological assembly
13chain/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
1AIV APO OVOTRANSFERRIN Deposited 1997-04-28 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–705（686 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.9；pH 5.9
Resolution 3.00 Å R-free 0.265
1IEJ OVOTRANSFERRIN, N-TERMINAL LOBE, HOLO FORM, AT 1.65 A RESOLUTION Deposited 2001-04-10 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–351（332 aa） Fragment：N-TERMINAL DOMAIN(RESIDUES 20-351)
Not recorded FE FE (III) ION × 1 CO3 CARBONATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.9；293 K；PEG6000, pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.65 Å R-free 0.242
1IQ7 Ovotransferrin, C-Terminal Lobe, Apo Form Deposited 2001-07-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 361–705（345 aa） Fragment：C-TERMINAL LOBE
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å R-free 0.239
1JL4 CRYSTAL STRUCTURE OF THE HUMAN CD4 N-TERMINAL TWO DOMAIN FRAGMENT COMPLEXED TO A CLASS II MHC MOLECULE Deposited 2001-07-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 153–165（13 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；297 K；17% PEG 4,000/0.2M Li2SO4/0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 4.30 Å R-free 0.453
1N04 Diferric chicken serum transferrin at 2.8 A resolution. Deposited 2002-10-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–705（686 aa）
Not recorded FUL beta-L-fucopyranose × 1 FE FE (III) ION × 2 CO3 CARBONATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；PEG6000, 0.02M acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；PEG4000, 20mM sodium bicarbonate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.80 Å R-free 0.269
1NFT OVOTRANSFERRIN, N-TERMINAL LOBE, IRON LOADED OPEN FORM Deposited 1999-01-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–351（329 aa） Fragment：N-TERMINAL LOBE
Not recorded SO4 SULFATE ION × 3 FE FE (III) ION × 1 NTA NITRILOTRIACETIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 2.10 Å R-free 0.256
1NFT OVOTRANSFERRIN, N-TERMINAL LOBE, IRON LOADED OPEN FORM Deposited 1999-01-07 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 23–351（329 aa） Fragment：N-TERMINAL LOBE
Not recorded SO4 SULFATE ION × 18 FE FE (III) ION × 6 NTA NITRILOTRIACETIC ACID × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 2.10 Å R-free 0.256
1NNT STRUCTURAL EVIDENCE FOR A PH-SENSITIVE DI-LYSINE TRIGGER IN THE HEN OVOTRANSFERRIN N-LOBE: IMPLICATIONS FOR TRANSFERRIN IRON RELEASE Deposited 1993-09-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 24–351（328 aa）
Not recorded FE FE (III) ION × 1 CO3 CARBONATE ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å
1OVT REFINED CRYSTALLOGRAPHIC STRUCTURE OF HEN OVOTRANSFERRIN AT 2.4 ANGSTROMS RESOLUTION Deposited 1995-04-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–705（686 aa）
Not recorded FE FE (III) ION × 2 CO3 CARBONATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.40 Å
1RYX Crystal structure of hen serum transferrin in apo- form Deposited 2003-12-23 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–705（686 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.9；277 K；18-23% PEG 6000 in 0.02M sodium acetate buffer, pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.50 Å R-free 0.341
1TFA OVOTRANSFERRIN, N-TERMINAL LOBE, APO FORM Deposited 1999-01-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–351（329 aa） Fragment：N-TERMINAL LOBE
Not recorded SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 1.90 Å R-free 0.243
2D3I Crystal Structure of Aluminum-Bound Ovotransferrin at 2.15 Angstrom Resolution Deposited 2005-09-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–705（686 aa）
Not recorded AL ALUMINUM ION × 2 BCT BICARBONATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；277 K；PEG400, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.15 Å R-free 0.243
8FEI CryoEM structure of Conalbumin from chicken egg white (sigma-Cas 1391-06-6) Deposited 2022-12-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–705（705 aa）
Not recorded FE FE (III) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；PBS
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 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.