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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：Q8WTX7 New Search
10PDB entries
15Biological assembly
31chain/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
5GS9 Crystal structure of CASTOR1-arginine Deposited 2016-08-15 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Chain B 1–329（329 aa）
Not recorded ARG ARGININE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；289 K；0.1M sodium citrate (pH 5.0), 20% (w/v) PEG 8000
Resolution 2.50 Å R-free 0.224
5GS9 Crystal structure of CASTOR1-arginine Deposited 2016-08-15 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–329（329 aa）
Chain D 1–329（329 aa）
Not recorded ARG ARGININE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；289 K；0.1M sodium citrate (pH 5.0), 20% (w/v) PEG 8000
Resolution 2.50 Å R-free 0.224
5GT7 Crystal Structure of Arg-bound CASTOR1 Deposited 2016-08-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–323（323 aa）
Chain B 1–323（323 aa）
Not recorded ARG ARGININE × 2 MLI MALONATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；5 % (w/v) PEG3350, 0.1 M Na Malonate pH 5.0
Resolution 2.05 Å R-free 0.211
5GT7 Crystal Structure of Arg-bound CASTOR1 Deposited 2016-08-18 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–323（323 aa）
Chain D 1–323（323 aa）
Not recorded ARG ARGININE × 2 MLI MALONATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；291 K；5 % (w/v) PEG3350, 0.1 M Na Malonate pH 5.0
Resolution 2.05 Å R-free 0.211
5GT8 Crystal Structure of apo-CASTOR1 Deposited 2016-08-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Chain C 1–329（329 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；21%(w/v) PEG3350, 0.1M Tris pH 5.0, 0.2M MgCl2, 0.2% n- dodecyl- N, N- dimethylamine-N-oxide
Resolution 2.80 Å R-free 0.265
5GT8 Crystal Structure of apo-CASTOR1 Deposited 2016-08-18 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–329（329 aa）
Chain D 1–329（329 aa） Fragment：UNP residues A285I
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；21%(w/v) PEG3350, 0.1M Tris pH 5.0, 0.2M MgCl2, 0.2% n- dodecyl- N, N- dimethylamine-N-oxide
Resolution 2.80 Å R-free 0.265
5GV2 Crystal structure of Arginine-bound CASTOR1 from Homo sapiens Deposited 2016-09-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Chain C 1–329（329 aa）
Not recorded MG MAGNESIUM ION × 1 ARG ARGININE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；287 K；PEG 3350, Magnesium acetate tetrahydrate
Resolution 2.06 Å R-free 0.238
5I2C Arginine-bound CASTOR1 from Homo sapiens Deposited 2016-02-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Chain B 1–329（329 aa）
Not recorded ARG ARGININE × 2 ACT ACETATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；291.15 K；0.1 M sodium acetate, 0.25 M ammonium acetate, 22.5% PEG 3350
Resolution 1.80 Å R-free 0.204
5I2C Arginine-bound CASTOR1 from Homo sapiens Deposited 2016-02-08 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–329（329 aa）
Chain D 1–329（329 aa）
Not recorded ARG ARGININE × 2 ACT ACETATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；291.15 K；0.1 M sodium acetate, 0.25 M ammonium acetate, 22.5% PEG 3350
Resolution 1.80 Å R-free 0.204
9DX2 Human GATOR2 complex - CASTOR1 bound state Deposited 2024-10-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain E 1–328（328 aa）
Chain F 1–328（328 aa）
Chain G 1–328（328 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9KP4 Crystal structure of human CASTOR1 in apo form Deposited 2024-11-22 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Chain B 1–329（329 aa）
Not recorded NH4 AMMONIUM ION × 2 ACY ACETIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1 M Barium chloride, 30% v/v ethanol, 0.2 M NH4Ac, 0.1 M Tris pH 8.5, and 25% PEG 3350.
Resolution 3.08 Å R-free 0.264
9KP4 Crystal structure of human CASTOR1 in apo form Deposited 2024-11-22 Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–329（329 aa）
Chain D 1–329（329 aa）
Not recorded NH4 AMMONIUM ION × 2 ACY ACETIC ACID × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1 M Barium chloride, 30% v/v ethanol, 0.2 M NH4Ac, 0.1 M Tris pH 8.5, and 25% PEG 3350.
Resolution 3.08 Å R-free 0.264
9LVK Cryo-EM structure of CASTOR1 bound human GATOR2 complex Deposited 2025-02-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain U 1–329（329 aa）
Chain V 1–329（329 aa）
Mutation：D304A Mutation：D304A ZN ZINC ION × 31 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.59 Å
9LWF Cryo-EM structure of dual sensor bound GATOR2 complex Deposited 2025-02-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain U 1–329（329 aa）
Chain V 1–329（329 aa）
Mutation：D304A Mutation：D304A ZN ZINC ION × 32 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.41 Å
9OTI GATOR2 complex bound to arginine sensor CASTOR1 Deposited 2025-05-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain U 1–329（329 aa）
Chain V 1–329（329 aa）
Mutation：D304A, S111A Mutation：D304A, S111A ZN ZINC ION × 29 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 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.