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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：P78423 New Search
8PDB entries
8Biological assembly
11chain/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
1B2T SOLUTION STRUCTURE OF THE CX3C CHEMOKINE DOMAIN OF FRACTALKINE Deposited 1998-12-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–100（76 aa） Fragment：CHEMOKINE DOMAIN
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5；295.5 K；Pressure 1
Resolution not provided
1F2L CRYSTAL STRUCTURE OF CHEMOKINE DOMAIN OF FRACTALKINE Deposited 2000-05-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 25–100（76 aa） Fragment：CHEMOKINE DOMAIN
Chain B 25–100（76 aa） Fragment：CHEMOKINE DOMAIN
Chain C 25–100（76 aa） Fragment：CHEMOKINE DOMAIN
Chain D 25–100（76 aa） Fragment：CHEMOKINE DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；298 K；sodium formate, disodium citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 2.00 Å R-free 0.321
4XT1 Structure of a nanobody-bound viral GPCR bound to human chemokine CX3CL1 Deposited 2015-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 25–101（77 aa） Fragment：UNP residues 25-101
Mutation：N9A Non-standard monomer：Yes (specific site not provided by mmCIF) CLR CHOLESTEROL × 2 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 6 UNL UNKNOWN LIGAND × 7 SIN SUCCINIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；pH 6.3；293 K；PEG 300, MES, sodium succinate, polypropylene glycol 400
Resolution 2.89 Å R-free 0.249
4XT3 Structure of a viral GPCR bound to human chemokine CX3CL1 Deposited 2015-01-22 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 25–101（77 aa） Fragment：UNP residues 25-101
Non-standard monomer：Yes (specific site not provided by mmCIF) UNL UNKNOWN LIGAND × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；pH 7.4；293 K；PEG 300, HEPES, ammonium phosphate
Resolution 3.80 Å R-free 0.322
7RKF Structure of CX3CL1-US28-G11iN18-scFv16 in TL-state Deposited 2021-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain L 25–101（77 aa） Fragment：UNP residues 25-101
Non-standard monomer：Yes (specific site not provided by mmCIF) GDP GUANOSINE-5'-DIPHOSPHATE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；1 s blotting before plunging
Resolution 4.00 Å
7RKM Structure of CX3CL1-US28-Gi-scFv16 in C-state Deposited 2021-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain L 25–101（77 aa） Fragment：UNP residues 25-101
Non-standard monomer：Yes (specific site not provided by mmCIF) CLR CHOLESTEROL × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；1 s blotting before plunging
Resolution 3.50 Å
7RKN Structure of CX3CL1-US28-Gi-scFv16 in OC-state Deposited 2021-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain L 25–101（77 aa） Fragment：UNP residues 25-101
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；1 s blotting before plunging
Resolution 3.60 Å
7XBX Cryo-EM structure of the human chemokine receptor CX3CR1 in complex with CX3CL1 and Gi1 Deposited 2022-03-22 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain R 25–100（76 aa）
Mutation：G35C,I222L,L278C,C323S,M352V Non-standard monomer：Yes (specific site not provided by mmCIF) CLR CHOLESTEROL × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.