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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：P16218 New Search
20PDB entries
27Biological assembly
27chain/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
1V0A Family 11 Carbohydrate-Binding Module of cellulosomal cellulase Lic26A-Cel5E of Clostridium thermocellum Deposited 2004-03-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 655–821（167 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.00
Resolution 1.98 Å R-free 0.232
2BV9 HOW FAMILY 26 GLYCOSIDE HYDROLASES ORCHESTRATE CATALYSIS ON DIFFERENT POLYSACCHARIDES. STRUCTURE AND ACTIVITY OF A CLOSTRIDIUM THERMOCELLUM LICHENASE, CtLIC26A Deposited 2005-06-23 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–304（279 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 26-304
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 0.3-1.2M NA FORMATE, 0.1M NA CACODYLATE BUFFERED AT PH 6.5 AND 5-20% PEG 4K
Resolution 1.50 Å R-free 0.157
2BVD HOW FAMILY 26 GLYCOSIDE HYDROLASES ORCHESTRATE CATALYSIS ON DIFFERENT POLYSACCHARIDES. STRUCTURE AND ACTIVITY OF A CLOSTRIDIUM THERMOCELLUM LICHENASE, CtLIC26A Deposited 2005-06-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–304（279 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 26-304
Not recorded ISX (3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)piperidin-3-yl beta-D-glucopyranoside × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；PROTEIN WAS CO-CRYSTALLIZED WITH THE LIGAND FROM 0.15 M AMMONIUM SULPHATE, 30% PEG 5K MME BUFFERED TO PH 6.5 WITH MES
Resolution 1.60 Å R-free 0.186
2CIP Structure of the Michaelis complex of a family 26 lichenase Deposited 2006-03-24 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–304（279 aa） Fragment：RESIDUES 26-304
Mutation：YES ZZ1 4-METHYL-2H-CHROMEN-2-ONE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；0.15 M AMMONIUM SULPHATE, 30 % PEG 5K MME BUFFERED TO PH6.5 WITH 0.1 M MES, pH 6.50
Resolution 1.40 Å R-free 0.179
2CIT Structure of the covalent intermediate of a family 26 lichenase Deposited 2006-03-24 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–304（279 aa） Fragment：RESIDUES 26-304
Mutation：YES No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；0.15 M AMMONIUM SULPHATE, 30 % PEG 5K MME BUFFERED TO PH 6.5 WITH 0.1 M MES
Resolution 1.40 Å R-free 0.179
2LRO Solution structure, dynamics and binding studies of CtCBM11 Deposited 2012-04-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 655–821（167 aa） Fragment：CBM11 domain residues 655-821
Not recorded CA CALCIUM ION × 2 SOLUTION NMR
NMR measurement conditions pH 7.5；298 K；Ionic strength (raw mmCIF value) 0.75；Pressure ambient
NMR sample composition 1 mM [U-13C; U-15N] protein_1, 0.75 mM potassium phosphate, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2LRP Solution structure, dynamics and binding studies of CtCBM11 Deposited 2012-04-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 655–821（167 aa） Fragment：CBM11 domain residues 655-821
Not recorded CA CALCIUM ION × 2 SOLUTION NMR
NMR measurement conditions pH 7.5；323 K；Ionic strength (raw mmCIF value) 0.75；Pressure ambient
NMR sample composition 1 mM [U-13C; U-15N] protein_1, 0.75 mM potassium phosphate, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2V3G Structure of a family 26 lichenase in complex with noeuromycin Deposited 2007-06-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–305（280 aa） Fragment：CATALYTIC DOMAIN, RESIDUES 26-305
Not recorded BGC beta-D-glucopyranose × 1 NOY (2R,3S,4R,5R)-5-(HYDROXYMETHYL)PIPERIDINE-2,3,4-TRIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；CO-CRYSTALLIZED WITH THE LIGAND FROM 0.15 M AMMONIUM SULPHATE, 30% PEG 5K MME BUFFERED TO PH 6.5 WITH MES AND SEEDED
Resolution 1.20 Å R-free 0.144
2VI0 Lichenase CtLic26 in complex with a thio-oligosaccharide Deposited 2007-11-26 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–304（279 aa） Fragment：RESIDUES 26-304
Mutation：G271E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；0.15 M AMMONIUM SULPHATE, 30 % PEG 5K, MME, 0.1 M MES PH 6.5
Resolution 1.51 Å R-free 0.189
4U3A Crystal structure of CtCel5E Deposited 2014-07-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；0.1 M sodium acetate and 21% (W/V) PEG 4000
Resolution 2.42 Å R-free 0.248
4U3A Crystal structure of CtCel5E Deposited 2014-07-19 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；0.1 M sodium acetate and 21% (W/V) PEG 4000
Resolution 2.42 Å R-free 0.248
4U5I Complex structure of mutant CtCel5E (E314A) with xylobiose Deposited 2014-07-25 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 290–654（365 aa） Fragment：UNP residues 290-654
Mutation：E314A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；0.2 M ammonium acetate, 0.1 M sodium acetate and 21% (W/V) PEG 4000
Resolution 2.50 Å R-free 0.252
4U5I Complex structure of mutant CtCel5E (E314A) with xylobiose Deposited 2014-07-25 Assembly 2 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 290–654（365 aa） Fragment：UNP residues 290-654
Mutation：E314A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；0.2 M ammonium acetate, 0.1 M sodium acetate and 21% (W/V) PEG 4000
Resolution 2.50 Å R-free 0.252
4U5K Complex structure of mutant CtCel5E (E314A) with cellobiose Deposited 2014-07-25 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 290–654（365 aa） Fragment：UNP residues 290-654
Mutation：E314A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；0.2M ammonium acetate, 0.1M sodium acetate, 21% (W/V) PEG 4000
Resolution 2.65 Å R-free 0.255
4U5K Complex structure of mutant CtCel5E (E314A) with cellobiose Deposited 2014-07-25 Assembly 2 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 290–654（365 aa） Fragment：UNP residues 290-654
Mutation：E314A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；0.2M ammonium acetate, 0.1M sodium acetate, 21% (W/V) PEG 4000
Resolution 2.65 Å R-free 0.255
5BYW Crystal structure of engineered trifunctional CtCEL5E Deposited 2015-06-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；50mM sodium acetate, 8% PEG 4000
Resolution 2.60 Å R-free 0.260
5BYW Crystal structure of engineered trifunctional CtCEL5E Deposited 2015-06-11 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；50mM sodium acetate, 8% PEG 4000
Resolution 2.60 Å R-free 0.260
5BYW Crystal structure of engineered trifunctional CtCEL5E Deposited 2015-06-11 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；50mM sodium acetate, 8% PEG 4000
Resolution 2.60 Å R-free 0.260
5BYW Crystal structure of engineered trifunctional CtCEL5E Deposited 2015-06-11 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；50mM sodium acetate, 8% PEG 4000
Resolution 2.60 Å R-free 0.260
5BYW Crystal structure of engineered trifunctional CtCEL5E Deposited 2015-06-11 Assembly 5 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain E 290–654（365 aa） Fragment：UNP residues 290-654
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；298 K；50mM sodium acetate, 8% PEG 4000
Resolution 2.60 Å R-free 0.260
6R31 Family 11 Carbohydrate-Binding Module from Clostridium thermocellum in complex with beta-1,3-1,4-mixed-linked tetrasaccharide Deposited 2019-03-19 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 655–821（167 aa）
Not recorded CA CALCIUM ION × 2 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293.15 K；20-28% (m/v) polyethyleneglycol (PEG) 3350, 0.2 M potassium phosphate, 0.1 M sodium acetate buffer pH 4.6
Resolution 2.60 Å R-free 0.254
6R3M Family 11 Carbohydrate-Binding Module from Clostridium thermocellum in complex with beta-1,3-1,4-mixed-linked tetrasaccharide Deposited 2019-03-20 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 655–821（167 aa）
Not recorded CA CALCIUM ION × 2 ACT ACETATE ION × 1 PO4 PHOSPHATE ION × 4 GLC alpha-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293.15 K；20-28% (m/v) polyethyleneglycol (PEG) 3350, 0.2 M potassium phosphate, 0.1 M sodium acetate buffer pH 4.6
Resolution 1.45 Å R-free 0.208
6ZPL Inward-open structure of human glycine transporter 1 in complex with a benzoylisoindoline inhibitor, sybody Sb_GlyT1#7 and bound Na and Cl ions. Deposited 2020-07-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 31–303（273 aa）
Not recorded QET [5-fluoranyl-6-(oxan-4-yloxy)-1,3-dihydroisoindol-2-yl]-[5-methylsulfonyl-2-[2,2,3,3,3-pentakis(fluoranyl)propoxy]phenyl]methanone × 2 NA SODIUM ION × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；pH 7；292.75 K；Crystals appeared in 3-10 days in 0.1 M ADA pH 7, 13-25% PEG600, 4-14% v/v, 1,3-Butanediol with the longest dimension of 2-5 um.
Resolution 3.94 Å R-free 0.291
8XVI Cryo-EM structure of ETAR bound with Endothelin1 Deposited 2024-01-15 Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 26–304（279 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.32 Å
8XVJ Cryo-EM structure of ETAR bound with Macitentan Deposited 2024-01-15 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain R 26–304（279 aa）
Not recorded A1D5I Macitentan × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.26 Å
8XVK Cryo-EM structure of ETAR bound with Ambrisentan Deposited 2024-01-15 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain R 26–304（279 aa）
Not recorded A1D5J Ambrisentan × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.21 Å
8XVL Cryo-EM structure of ETAR bound with Zibotentan Deposited 2024-01-15 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain R 26–304（279 aa）
Not recorded A1D5L Zibotentan × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.22 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.