← Back to search

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：Q6VPE5 New Search
21PDB entries
21Biological assembly
53chain/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
3MF7 Crystal Structure of (R)-oxirane-2-carboxylate inhibited cis-CaaD Deposited 2010-04-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa） Fragment：UNP residues 2-118
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions hanging drop；pH 4.6；298 K；three micro liter of 15.6mg/mL cis-CaaD protein sample mixed with three micro liter crystallization solution: 0.125 M CaCl2, 0.07 M sodium acetate buffer, 12.5% isopropanol, hanging drop, temperature 298K, pH 4.6
Resolution 1.65 Å R-free 0.222
3MF8 Crystal Structure of Native cis-CaaD Deposited 2010-04-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa） Fragment：UNP residues 2-118
Not recorded SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions hanging drop；pH 9；298 K；three micro liter of 14 mg/mL cis-CaaD protein sample mixed with three micro liter crystallization solution: 8 M (NH4)2SO4, 0.1 M Bicine buffer (pH 9.0), hanging drop, temperature 298K
Resolution 2.01 Å R-free 0.236
9NF1 cis-CaaD E114D mutant Deposited 2025-02-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：E114D Mutation：E114D Mutation：E114D SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M ammonium sulfate 20% w/v PEG 3,351
Resolution 1.60 Å R-free 0.220
9NF3 cis-CaaD E114D mutant with a covalent ethylene intermediate of the hydration and decarboxylation of cis-3-chloroacrylic acid Deposited 2025-02-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：E114D Mutation：E114D Mutation：E114D Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M ammonium sulfate 20% w/v PEG 3,353
Resolution 1.80 Å R-free 0.224
9NF9 cis-CaaD E114N mutant apo Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–150（150 aa）
Chain B 1–150（150 aa）
Chain C 1–150（150 aa）
Mutation：E114N Mutation：E114N Mutation：E114N SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；(0.03 M citric acid, 0.07 M BIS-TRIS propane) pH 7.6
Resolution 2.51 Å R-free 0.290
9NFD cis-CaaD E114N mutant with acetylenecarboxylic acid substrate and hydration product malonic semialdehyde Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Not recorded FK2 3-oxidanylidenepropanoic acid × 2 A1BXY prop-2-ynoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.05 M citric acid, 0.05 M BIS-TRIS propane) pH 6 17% w/v PEG 3,355
Resolution 2.30 Å R-free 0.276
9NFF Native cis-CaaD with acetylenecarboxylic acid substrate Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Not recorded A1BXY prop-2-ynoic acid × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M ammonium tartrate dibasic, 20% w/v PEG 3,353
Resolution 2.00 Å R-free 0.262
9NFH Native cis-CaaD Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Not recorded ACT ACETATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.18 M ammonium acetate 16% PEG 3,352
Resolution 1.32 Å R-free 0.213
9NG4 cis-CaaD Y103F mutant apo Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：Y103F Mutation：Y103F Mutation：Y103F SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M sodium fluoride 20% w/v PEG 3,350
Resolution 2.20 Å R-free 0.274
9NG5 cis-CaaD Y103F mutant soaked with acetylencarboxylic acid Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Not recorded SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.2 M magnesium sulfate hep-tahydrate 20% w/v PEG 3,350
Resolution 2.28 Å R-free 0.354
9NG7 cis-CaaD H28A mutant Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Not recorded ACT ACETATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M ammonium acetate 20% w/v PEG 3,350
Resolution 1.80 Å R-free 0.231
9NG8 cis-CaaD T34A mutant apo Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–150（150 aa）
Chain B 1–150（150 aa）
Chain C 1–150（150 aa）
Mutation：T34A Mutation：T34A Mutation：T34A SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.2 M ammonium sulfate 20% w/v PEG 3,350
Resolution 2.51 Å R-free 0.283
9NG9 cis-CaaD T34A mutant soaked with acetylenecarboxylic acid Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–150（150 aa）
Chain B 1–150（150 aa）
Chain C 1–150（150 aa）
Mutation：T34A Mutation：T34A Mutation：T34A SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.2 M ammonium sulfate 20% w/v PEG 3,350
Resolution 2.35 Å R-free 0.280
9NGA cis-CaaD T34A mutant soaked with cis-3-chloroacrylic acid Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：T34A Mutation：T34A Mutation：T34A SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.2 M ammonium sulfate 20% w/v PEG 3,350
Resolution 2.40 Å R-free 0.308
9NGB truncated cis-CaaD Deposited 2025-02-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–120（119 aa）
Not recorded SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M ammonium sulfate 20% w/v PEG 3,350
Resolution 2.50 Å R-free 0.301
9NGD cis-CaaD/Cg10062 chimera Deposited 2025-02-22 Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–120（119 aa）
Not recorded CL CHLORIDE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M lithium chloride 20% w/v PEG 3,350
Resolution 2.70 Å R-free 0.336
9NGL cis-CaaD E114Q Deposited 2025-02-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：E114Q Mutation：E114Q Mutation：E114Q PO4 PHOSPHATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；(0.05 M citric acid, 0.05 M BIS-TRIS propane) pH 5 20% w/v PEG 3,354
Resolution 1.80 Å R-free 0.215
9O2N cis-CaaD Y103F mutant soaked with cis-3-chloroacrylic acid Deposited 2025-04-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；296 K；0.2 M sodium fluoride 20% w/v PEG 3,350
Resolution 2.20 Å R-free 0.237
9YRI cis-CaaD E114Q mutant with covalent intermediates of the hydration and decarboxylation of acetylenecarboxylic acid Deposited 2025-10-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：E114Q Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：E114Q Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：E114Q Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；(0.05 citric acid, 0.05 BIS-TRIS propane) pH 5 20% w/v PEG 3,352
Resolution 2.20 Å R-free 0.241
9YRJ Cis-CaaD E114Q mutant with a covalent hydroxypropionate intermediate of the hydration of acetylenecarboxylic acid Deposited 2025-10-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：E114Q Mutation：E114Q Mutation：E114Q 3OH 3-HYDROXY-PROPANOIC ACID × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；(0.05 M citric acid, 0.05 M BIS-TRIS propane) pH 5 20% w/v PEG 3,350
Resolution 1.93 Å R-free 0.240
9YTU cis-CaaD E114D mutant with a covalent intermediates of the hydration of acetylenecarboxylic acid Deposited 2025-10-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–150（149 aa）
Chain B 2–150（149 aa）
Chain C 2–150（149 aa）
Mutation：E114D Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：E114D Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：E114D A1BXY prop-2-ynoic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.2 M ammonium sulfate 20% w/v PEG 3,360
Resolution 2.51 Å R-free 0.260

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.