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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：P63042 New Search
23PDB entries
23Biological assembly
23chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
6KPP BNC105 in complex with tubulin Deposited 2019-08-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 4 CA CALCIUM ION × 2 DO6 (6-methoxy-2-methyl-7-oxidanyl-1-benzofuran-3-yl)-(3,4,5-trimethoxyphenyl)methanone × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.75 Å R-free 0.235
6LSM Tubulin Polymerization Inhibitors Deposited 2020-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 6 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 ERX 2-(4-methylphenyl)-7-(3,4,5-trimethoxyphenyl)pyrazolo[1,5-a]pyrimidine × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.75 Å R-free 0.227
6LSN Crystal structure of tubulin-inhibitor complex Deposited 2020-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 6 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 ERR 2-(1-methylindol-5-yl)-7-(3,4,5-trimethoxyphenyl)pyrazolo[1,5-a]pyrimidine × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.44 Å R-free 0.220
7CNM YDX in complex with tubulin Deposited 2020-08-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 3 G70 (2~{S},4~{S})-4-[[2-[(1~{R},3~{R})-1-acetyloxy-4-methyl-3-[[(2~{S},3~{S})-3-methyl-2-[[(2~{R})-1-methylpiperidin-2-yl]carbonylamino]pentanoyl]amino]pentyl]-1,3-thiazol-4-yl]carbonylamino]-5-cyclohexyl-2-methyl-pentanoic acid × 2 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.44 Å R-free 0.237
7CNN vinorelbine in complex with tubulin Deposited 2020-08-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 5 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GDF Vinorelbine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.50 Å R-free 0.229
7CNO Phomopsin A in complex with tubulin Deposited 2020-08-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 4 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 HOS Phomopsin A × 2 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCL2, 30 mM MgCl2, pH 6.7
Resolution 2.50 Å R-free 0.239
7DAD EPD in complex with tubulin Deposited 2020-10-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 5 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 EPD EPOTHILONE D × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.85 Å R-free 0.226
7DAE EPB in complex with tubulin Deposited 2020-10-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 4 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 EPB 7,11-DIHYDROXY-8,8,10,12,16-PENTAMETHYL-3-[1-METHYL-2-(2-METHYL-THIAZOL-4-YL)VINYL]-4,17-DIOXABICYCLO[14.1.0]HEPTADECANE-5,9-DIONE × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.39 Å R-free 0.222
7DAF IXA in complex with tubulin Deposited 2020-10-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 6 CA CALCIUM ION × 4 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GZX (1~{S},3~{S},7~{S},10~{R},11~{S},12~{S},16~{R})-8,8,10,12,16-pentamethyl-3-[(~{E})-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-7,11-bis(oxidanyl)-17-oxa-4-azabicyclo[14.1.0]heptadecane-5,9-dione × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.40 Å R-free 0.222
7DB9 IC1 in complex with tubulin Deposited 2020-10-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 5 CA CALCIUM ION × 4 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 IC1 3-[(2,4,6-TRIMETHOXY-PHENYL)-METHYLENE]-INDOLIN-2-ONE × 2 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.85 Å R-free 0.233
7DBA RYX in complex with tubulin Deposited 2020-10-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 4 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 H1O 2-(1-methylindol-4-yl)-7-(3,4,5-trimethoxyphenyl)-1~{H}-benzimidazole × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.46 Å R-free 0.228
7DBB SSE in complex with tubulin Deposited 2020-10-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 5 CA CALCIUM ION × 4 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 H1F 5-phenyl-3-(3,4,5-trimethoxyphenyl)-3,4-dihydropyrazole-2-carbothioamide × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.81 Å R-free 0.230
7DBC PRA in complex with tubulin Deposited 2020-10-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 5 CA CALCIUM ION × 2 H1C methyl ~{N}-(5-butyl-1~{H}-benzimidazol-2-yl)carbamate × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 2.40 Å R-free 0.234
7DBD 444 in complex with tubulin Deposited 2020-10-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 4 CA CALCIUM ION × 2 H0U ~{N}-[5-(5-cyanothiophen-2-yl)-2-methyl-phenyl]-4-methyl-benzenesulfonamide × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCL2, pH 6.7
Resolution 3.09 Å R-free 0.244
7XQX Crystal structure of T2R-TTL-27a complex Deposited 2022-05-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GXI 2-chloranyl-7-fluoranyl-N-(4-methoxyphenyl)-N-methyl-quinazolin-4-amine × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 3.36 Å R-free 0.245
7XQY Crystal structure of T2R-TTL-15 complex Deposited 2022-05-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GX5 2-chloranyl-N-(4-methoxyphenyl)-N-methyl-pyrido[3,2-d]pyrimidin-4-amine × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.35 Å R-free 0.236
7XR0 Crystal structure of T2R-TTL-27a complex Deposited 2022-05-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GWC 2-chloranyl-5-fluoranyl-N-(4-methoxyphenyl)-N-methyl-quinazolin-4-amine × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.70 Å R-free 0.246
7XR1 Crystal structure of T2R-TTL-3a complex Deposited 2022-05-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GY2 2-chloranyl-6-fluoranyl-N-(4-methoxyphenyl)-N-methyl-quinazolin-4-amine × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.81 Å R-free 0.246
8CLD Ansamitocin P3 bound to tubulin (T2R-TTL) complex Deposited 2023-02-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 1–189（189 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 BKF (1S,2S,3S,5S,6S,16Z,18Z,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1~10,14~.0~3,5~]hexacosa-10(26),11,13,16,18-pentaen-6-yl 2-methylpropanoate × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；pH 6.5；293 K；6% PEG4000 (w/v), 30 mM MgCl2, 30 mM CaCl2, 0.1 M MES/Imidazole, 5 mM L-tyrosine
Resolution 3.20 Å R-free 0.241
8YRK Tubulin-Compound KY216: stathmin-like domain complex Deposited 2024-03-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 4 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 GOL GLYCEROL × 1 A1D62 (11R,16S)-11-(3,5-dichloro-4-methoxyphenyl)-4,7-dioxa-12,14-diazatetracyclo[8.7.0.03,8.012,16]heptadeca-1,3(8),9-triene-13,15-dione × 2 EDO 1,2-ETHANEDIOL × 1 ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291.15 K；PEG,magnesium choride,calcium chloride,Ethylene glycol,MES
Resolution 2.74 Å R-free 0.226
9LNV Crystal structure of T2R-TTL-YQVB6 Complex Deposited 2025-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 CA CALCIUM ION × 2 A1EPR 10'-fluorovinblastine × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.67 Å R-free 0.288
9LNW Crystal structure of T2R-TTL-YQVB8 Complex Deposited 2025-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 CA CALCIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 A1EPS 10'-bromovinblastine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.55 Å R-free 0.292
9LNX Crystal structure of T2R-TTL-YQVB9 Complex Deposited 2025-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 49–189（141 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 CA CALCIUM ION × 2 A1EPT 10'-methoxyvinblastine × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；6% PEG, 5% glycerol, 0.1 M MES, 30 mM CaCl2, 30 mM MgCl2, pH 6.7
Resolution 2.59 Å R-free 0.296

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.