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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：K4DIE3 New Search
9PDB entries
9Biological assembly
16chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
3U0K Crystal Structure of the genetically encoded calcium indicator RCaMP Deposited 2011-09-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 204–432（229 aa）
Chain B 1–203（203 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) ACT ACETATE ION × 1 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；298 K；0.2 M ammonium acetate, 0.1 M HEPES pH 7.5, 25% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.10 Å R-free 0.239
4IK1 High resolution structure of GCaMPJ at pH 8.5 Deposited 2012-12-25 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–48（48 aa）
Chain A 284–432（149 aa）
Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T, D362Y Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T, D362Y Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289 K；Tris pH 8.5, (NH4)2SO4, 25% PEG 3350, 0.5% DDAO, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.00 Å R-free 0.205
4IK3 High resolution structure of GCaMP3 at pH 8.5 Deposited 2012-12-25 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–48（48 aa）
Chain A 284–432（149 aa）
Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289 K；Tris pH 8.5, (NH4)2SO4, 23% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.01 Å R-free 0.214
4IK4 High resolution structure of GCaMP3 at pH 5.0 Deposited 2012-12-25 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–48（48 aa）
Chain A 284–432（149 aa）
Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；289 K；Bis-Tris pH 5.0, (NH4)2SO4 and 25% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.01 Å R-free 0.212
4IK5 High resolution structure of Delta-REST-GCaMP3 Deposited 2012-12-25 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–48（24 aa）
Chain A 284–432（149 aa）
Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289 K；Tris pH 8.5, NH4OAc, 23% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.50 Å R-free 0.228
4IK8 High resolution structure of GCaMP3 dimer form 1 at pH 7.5 Deposited 2012-12-25 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–48（48 aa）
Chain A 284–432（149 aa）
Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；289 K；HEPES pH 7.5, (NH4)2SO4, 25% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 1.55 Å R-free 0.209
4IK9 High resolution structure of GCaMP3 dimer form 2 at pH 7.5 Deposited 2012-12-25 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–48（48 aa）
Chain A 284–432（149 aa）
Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：M153K, V163A, S175G, D180Y, T203V, A206K, H231L, F64L, V93I, I354T Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 8 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；289 K；HEPES pH 7.5, (NH4)2SO4, 21% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 1.80 Å R-free 0.195
6ZSM Crystal structure of rsGCaMP double mutant Ile80His/Val116Ile in the ON state (non-illuminated) Deposited 2020-07-16 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 284–432（149 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 5 FMT FORMIC ACID × 14 EDO 1,2-ETHANEDIOL × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.8；292 K；0.20 M sodium formate, 0.1 M Bis-Tris-Propane buffer pH 8.5, 19% (w/v) PEG 3350
Resolution 1.95 Å R-free 0.198
6ZSN Crystal structure of rsGCaMP double mutant Ile80His/Val116Ile in the OFF state (illuminated) Deposited 2020-07-16 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 284–432（149 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) FMT FORMIC ACID × 6 CA CALCIUM ION × 4 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；292 K；0.20 M sodium formate, 0.1 M Bis-Tris-Propane buffer pH 8.5, 19% (w/v) PEG 3350
Resolution 2.60 Å R-free 0.259

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.