8r2o

Huntingtin-Q17, 1-66, N-MBP fusion

Method: X-RAY DIFFRACTION D_max: 146.1 Å Quality: REASONABLE

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Maltodextrin-binding protein,Huntingtin, myristoylated N-terminal fragment

Homo sapiens

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 3–372	Not recorded	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.25；293 K；0.8 M KH2PO4, 0.8 M NaH2PO4, and 0.1 M TRIS/HCl pH 8.25	Resolution 3.23 Å R-free 0.238
2	Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain B； UniProt 3–372	Not recorded	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.25；293 K；0.8 M KH2PO4, 0.8 M NaH2PO4, and 0.1 M TRIS/HCl pH 8.25	Resolution 3.23 Å R-free 0.238

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 8R2O	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
6XDJ Crystal Structure Analysis of MBP-SIN3 Deposited 2020-06-10	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 3–360（358 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris, pH 6.0, 1.6M Ammonium sulfate	Resolution 2.20 Å R-free 0.240
6XDJ Crystal Structure Analysis of MBP-SIN3 Deposited 2020-06-10	Different construct Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain B 3–360（358 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris, pH 6.0, 1.6M Ammonium sulfate	Resolution 2.20 Å R-free 0.240
6XDJ Crystal Structure Analysis of MBP-SIN3 Deposited 2020-06-10	Different construct Different experimental conditions Different structure-quality metrics	Assembly 3 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain C 3–360（358 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris, pH 6.0, 1.6M Ammonium sulfate	Resolution 2.20 Å R-free 0.240
6XDJ Crystal Structure Analysis of MBP-SIN3 Deposited 2020-06-10	Different construct Different experimental conditions Different structure-quality metrics	Assembly 4 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain D 3–360（358 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M Bis-Tris, pH 6.0, 1.6M Ammonium sulfate	Resolution 2.20 Å R-free 0.240
7FBB De novo design protein D12 with MBP tag Deposited 2021-07-09	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 6–372（367 aa）	Mutation：D84A, K85A, E174A, N175A, K241A, E361A, K364A, D365A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；25% PEG 3350, 0.1M Sodium Acetate	Resolution 2.31 Å R-free 0.264
7FBB De novo design protein D12 with MBP tag Deposited 2021-07-09	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 6–372（367 aa）	Mutation：D84A, K85A, E174A, N175A, K241A, E361A, K364A, D365A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；25% PEG 3350, 0.1M Sodium Acetate	Resolution 2.31 Å R-free 0.264
7FBC De novo design protein D22 with MBP tag Deposited 2021-07-09	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 3–371（369 aa）	Mutation：D84A,K85A,E174A,N175A,K241A,E361A,K364A,D365A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.24；289 K；50% v/v PEG 500 MME, 0.1M Sodium HEPES, pH 7.24	Resolution 1.85 Å R-free 0.215
7FBD De novo design protein D53 with MBP tag Deposited 2021-07-09	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 3–371（369 aa）	Mutation：D84A,K85A,E174A,N175A,K241A,E361A,K364A,D365A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；289 K；2.2M Sodium malonate pH 7.0	Resolution 2.85 Å R-free 0.277
7FBD De novo design protein D53 with MBP tag Deposited 2021-07-09	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 3–371（369 aa）	Mutation：D84A,K85A,E174A,N175A,K241A,E361A,K364A,D365A	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；289 K；2.2M Sodium malonate pH 7.0	Resolution 2.85 Å R-free 0.277
7KD4 Structure of the C-terminal domain of the Menangle virus phosphoprotein (residues 329 -388), fused to MBP. Space group P21. Deposited 2020-10-08	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 3–372（370 aa）	Mutation：C352S	SO4 SULFATE ION × 9	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；291.15 K；1.65 M Ammonium sulphate, 0.2M Malic acid/KOH pH 5.5, Crystals were transferred into the following cryo-protective solution before vitrification: 1.65 M Ammonium sulphate, 0.2M Malic acid/KOH pH 5.5, 5mM Maltose, 1 M Lithium sulfate	Resolution 1.31 Å R-free 0.196
7KD4 Structure of the C-terminal domain of the Menangle virus phosphoprotein (residues 329 -388), fused to MBP. Space group P21. Deposited 2020-10-08	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain B 3–372（370 aa）	Mutation：C352S	SO4 SULFATE ION × 7	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；291.15 K；1.65 M Ammonium sulphate, 0.2M Malic acid/KOH pH 5.5, Crystals were transferred into the following cryo-protective solution before vitrification: 1.65 M Ammonium sulphate, 0.2M Malic acid/KOH pH 5.5, 5mM Maltose, 1 M Lithium sulfate	Resolution 1.31 Å R-free 0.196
7KD5 Structure of the C-terminal domain of the Menangle virus phosphoprotein (residues 329 -388), fused to MBP. Space group P212121 Deposited 2020-10-08	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 3–372（370 aa）	Mutation：C352S	EDO 1,2-ETHANEDIOL × 4 PIN PIPERAZINE-N,N'-BIS(2-ETHANESULFONIC ACID) × 3 PRO PROLINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.7；291.15 K；20%(w/v) PEG 5000 mono-methyl ether, 0.2 M Pipes/KOH pH 6.7, 0.1M Proline, Crystals were transferred into the following cryo-protective solution before vitrification: 20%(w/v) PEG 5000 mono-methyl ether, 0.2 M Pipes/KOH pH 6.7, 0.1M Proline, 5mM Maltose, 20%(v/v) Ethylene Glycol	Resolution 1.55 Å R-free 0.189
7VN2 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning ATCACGTGAT Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；50 mM sodium cacodylate pH 6.5, 200 mM potassium chloride, 10 mM magnesium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.42 Å R-free 0.248
7VN2 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning ATCACGTGAT Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；50 mM sodium cacodylate pH 6.5, 200 mM potassium chloride, 10 mM magnesium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.42 Å R-free 0.248
7VN3 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning CACACGTGTG Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa） Chain D 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 1.94 Å R-free 0.231
7VN3 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning CACACGTGTG Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa） Chain B 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 1.94 Å R-free 0.231
7VN4 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning TCCACGTGGA Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa） Chain D 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.10 Å R-free 0.245
7VN4 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning TCCACGTGGA Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa） Chain B 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.10 Å R-free 0.245
7VN5 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning TTCACGTGAA Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa） Chain D 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 8	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10%	Resolution 1.95 Å R-free 0.244
7VN5 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning TTCACGTGAA Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa） Chain B 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10%	Resolution 1.95 Å R-free 0.244
7VN6 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning CGCACGTGCG Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa） Chain D 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.79 Å R-free 0.266
7VN6 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning CGCACGTGCG Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa） Chain B 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.79 Å R-free 0.266
7VN7 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning GACACGTGTC Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa） Chain D 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 8	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.11 Å R-free 0.244
7VN7 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning GACACGTGTC Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa） Chain B 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.11 Å R-free 0.244
7VN8 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning GTCACGTGAC Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–370（368 aa） Chain D 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 7	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM potassium chloride, 10 mM magnesium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.04 Å R-free 0.240
7VN8 Crystal structure of MBP-fused BIL1/BZR1 (21-90) in complex with double-stranded DNA contaning GTCACGTGAC Deposited 2021-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–370（368 aa） Chain B 3–370（368 aa）	Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A Mutation：D82A,K83A,E172A,N173A,K239A,E359A,K362A,D363A	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM potassium chloride, 10 mM magnesium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.04 Å R-free 0.240
8DX4 Clostridioides difficile R20291 minor pilin - PilW fused with Maltose Binding Protein Deposited 2022-08-02	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 3–372（370 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；278 K；Hepes, Cesium Chloride, PEG 3350, n-Octyl-beta-D-glucoside, Sodium Chloride, ethanol	Resolution 2.49 Å R-free 0.218
8DX4 Clostridioides difficile R20291 minor pilin - PilW fused with Maltose Binding Protein Deposited 2022-08-02	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain B 3–372（370 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；278 K；Hepes, Cesium Chloride, PEG 3350, n-Octyl-beta-D-glucoside, Sodium Chloride, ethanol	Resolution 2.49 Å R-free 0.218
8DX4 Clostridioides difficile R20291 minor pilin - PilW fused with Maltose Binding Protein Deposited 2022-08-02	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain C 3–372（370 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 3 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；278 K；Hepes, Cesium Chloride, PEG 3350, n-Octyl-beta-D-glucoside, Sodium Chloride, ethanol	Resolution 2.49 Å R-free 0.218
8DX4 Clostridioides difficile R20291 minor pilin - PilW fused with Maltose Binding Protein Deposited 2022-08-02	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain D 3–372（370 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 7 PGE TRIETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；278 K；Hepes, Cesium Chloride, PEG 3350, n-Octyl-beta-D-glucoside, Sodium Chloride, ethanol	Resolution 2.49 Å R-free 0.218
8G3S MBP-Mcl1 in complex with ligand 11 Deposited 2023-02-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	FMT FORMIC ACID × 2 YLT (1'S,3aS,5R,16R,17S,19E,21S,21aR)-6'-chloro-21-methoxy-16,17-dimethyl-2,3,3',3a,4',16,17,18,21,21a-decahydro-2'H,6H,8H-15lambda~6~-spiro[10,12-etheno-15lambda~6~-furo[3,2-i][1,4]oxazepino[3,4-f][1,2,7]thiadiazacyclohexadecine-7,1'-naphthalene]-13,15,15(4H,14H)-trione × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；285 K；0.17 M Mg Formate, 25.00% (w/v) PEG3350	Resolution 1.40 Å R-free 0.194
8G3T MBP-Mcl1 in complex with ligand 12 Deposited 2023-02-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	FMT FORMIC ACID × 1 EDO 1,2-ETHANEDIOL × 1 YLK (1'S,3aS,5R,16R,17S,19Z,21R,21aR)-6'-chloro-20-fluoro-21-methoxy-16,17-dimethyl-2,3,3',3a,4',16,17,18,21,21a-decahydro-2'H,6H,8H-15lambda~6~-spiro[10,12-etheno-15lambda~6~-furo[3,2-i][1,4]oxazepino[3,4-f][1,2,7]thiadiazacyclohexadecine-7,1'-naphthalene]-13,15,15(4H,14H)-trione × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；285 K；0.17M Mg Formate, 23.5% (w/v) PEG3350	Resolution 1.83 Å R-free 0.233
8G3U MBP-Mcl1 in complex with ligand 21 Deposited 2023-02-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 2 YKT (1'S,3aS,5R,16R,17S,19Z,21R,21aR)-6'-chloro-20-fluoro-21-{[(5S,9aS)-hexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl]methyl}-21-methoxy-16,17-dimethyl-2,3,3',3a,4',16,17,18,21,21a-decahydro-2'H,6H,8H-15lambda~6~-spiro[10,12-(ethanediylidene)-15lambda~6~-furo[3,2-i][1,4]oxazepino[3,4-f][1,2,7]thiadiazacyclohexadecine-7,1'-naphthalene]-13,15,15(4H,14H)-trione × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；285 K；0.11 M Mg Formate, 19.0% (w/v) PEG3350	Resolution 1.94 Å R-free 0.238
8G3W MBP-Mcl1 in complex with ligand 28 Deposited 2023-02-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 3 PEG DI(HYDROXYETHYL)ETHER × 1 YKX N-[(1'S,3aS,5R,15S,17S,19Z,21R,21aR)-6'-chloro-20-fluoro-21-methoxy-17-methyl-13,15-dioxo-2,3,3',3a,4,4',13,16,17,18,21,21a-dodecahydro-2'H,6H,8H-15lambda~6~-spiro[10,12-(ethanediylidene)-15lambda~6~-furo[3,2-i][1,4]oxazepino[3,4-f][1,2,7]thiadiazacyclohexadecine-7,1'-naphthalen]-15-yl]-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；285 K；19% (w/v) PEG3350, 0.05 M Mg Formate	Resolution 1.78 Å R-free 0.226
8G3X MBP-Mcl1 in complex with ligand 32 Deposited 2023-02-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 10 YLF N-[(1'S,3aS,5R,15S,17S,19Z,21R,21aR)-6'-chloro-20-fluoro-21-{[(5S,9aS)-hexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl]methyl}-21-methoxy-17-methyl-13,15-dioxo-2,3,3',3a,4,4',13,16,17,18,21,21a-dodecahydro-2'H,6H,8H-15lambda~6~-spiro[10,12-(ethanediylidene)-15lambda~6~-furo[3,2-i][1,4]oxazepino[3,4-f][1,2,7]thiadiazacyclohexadecine-7,1'-naphthalen]-15-yl]-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；285 K；20.5% (w/v) PEG3350, 0.11M Mg formate	Resolution 1.46 Å R-free 0.206
8G3Y MBP-Mcl1 in complex with ligand 34 Deposited 2023-02-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	CL CHLORIDE ION × 2 EDO 1,2-ETHANEDIOL × 3 PEG DI(HYDROXYETHYL)ETHER × 1 YKL N-[(1'S,3aS,5R,15S,17S,19Z,21S,21aR)-6'-chloro-20-fluoro-21-{[(5S,9aS)-hexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl]methyl}-21-methoxy-17-methyl-13,15-dioxo-2,3,3',3a,4,4',13,16,17,18,21,21a-dodecahydro-2'H,6H,8H-15lambda~6~-spiro[10,12-(ethanediylidene)-15lambda~6~-furo[3,2-i][1,4]oxazepino[3,4-f][1,2,7]thiadiazacyclohexadecine-7,1'-naphthalen]-15-yl]-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；285 K；25% (w/v) PEG3350, 0.11M Mg formate	Resolution 1.70 Å R-free 0.216
8R3E Huntingtin, 1-17, MBP-N Deposited 2023-11-08	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric	Chain A 3–372（370 aa） Chain B 3–372（370 aa） Chain C 3–372（370 aa） Chain D 3–372（370 aa） Chain E 3–372（370 aa） Chain F 3–372（370 aa）	Not recorded	ZN ZINC ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；20% (w/v) PEG 6K, 0.24 M Na2 malonate, 10mM ZnCl2 and 0.1 M MES-NaOH, pH6.0	Resolution 2.91 Å R-free 0.329
8ZLW Crystal Structure of RDGC IQ motif/dCaM Complex Deposited 2024-05-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 3–371（369 aa）	Not recorded	CA CALCIUM ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；2 % v/v Tacsimate pH 4.0, 0.1 M Sodium acetate trihydrate pH 4.6, 16 % w/v PEG 3350	Resolution 2.20 Å R-free 0.254
9GRY Cryo-EM structure of human SLC35B1-Q113F variant with AMP-PNP Deposited 2024-09-13	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 2–370（369 aa）	Not recorded	ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.00 Å
9GS3 Cryo-EM structure of human SLC35B1-E33A variant with ADP in inward facing conformation Deposited 2024-09-13	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 2–370（369 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.15 Å
9I20 Cryo-EM structure of human SLC35B1 with ADP Deposited 2025-01-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 2–370（369 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 PEV (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.85 Å
9M73 Crystal structure of MBP-fused BIL1/BZR1 (21-104) in complex with double-stranded DNA contaning CACATATGTG Deposited 2025-03-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–371（369 aa） Chain D 3–371（369 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM potassium chloride, 10 mM magnesium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.31 Å R-free 0.245
9M73 Crystal structure of MBP-fused BIL1/BZR1 (21-104) in complex with double-stranded DNA contaning CACATATGTG Deposited 2025-03-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–371（369 aa） Chain B 3–371（369 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM potassium chloride, 10 mM magnesium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.31 Å R-free 0.245
9M74 Crystal structure of MBP-fused BIL1/BZR1 (21-104) in complex with double-stranded DNA contaning CACAGCTGTG Deposited 2025-03-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain C 3–371（369 aa） Chain D 3–371（369 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.23 Å R-free 0.244
9M74 Crystal structure of MBP-fused BIL1/BZR1 (21-104) in complex with double-stranded DNA contaning CACAGCTGTG Deposited 2025-03-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: tetrameric	Chain A 3–371（369 aa） Chain B 3–371（369 aa）	Not recorded	EDO 1,2-ETHANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；50 mM sodium cacodylate pH 6.5, 200 mM ammonium acetate and 10 mM calcium chloride and 10% (w/v) polyethylene glycol (PEG) 4000	Resolution 2.23 Å R-free 0.244
9PW7 Myeloid cell leukemia-1 (Mcl-1) complexed with compound 13 Deposited 2025-08-04	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 2–368（367 aa）	Not recorded	A1CL6 (2S,4R,5S,12P,23R)-11-chloro-7-[3-(4-chloro-3,5-dimethylphenoxy)propyl]-27,28-dimethoxy-4,15-dimethyl-32-oxo-19-oxa-2,5,15,16,23-pentaazaheptacyclo[21.6.1.1~2,6~.1~5,8~.0~12,31~.0~13,17~.0~26,30~]dotriaconta-1(30),6,8(31),9,11,13,16,24,26,28-decaene-24-carboxylic acid (non-preferred name) × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；291 K；25-30% PEG3350, 0.1 M Bis-TRIS pH 6.5, 0.2 M MgCl2	Resolution 1.95 Å R-free 0.223

28 other PDB entries and 46 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	A0A4P1LXE0_SERSF
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–373； UniProt 3–372 Author chain B； PDBConstruct 4–373； UniProt 3–372

Maltodextrin-binding protein,Huntingtin, myristoylated N-terminal fragment

Homo sapiens

UniProt P42858

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 1–64	Not recorded	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.25；293 K；0.8 M KH2PO4, 0.8 M NaH2PO4, and 0.1 M TRIS/HCl pH 8.25	Resolution 3.23 Å R-free 0.238
2	Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain B； UniProt 1–64	Not recorded	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.25；293 K；0.8 M KH2PO4, 0.8 M NaH2PO4, and 0.1 M TRIS/HCl pH 8.25	Resolution 3.23 Å R-free 0.238

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8R2O	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2LD0 Solution structure of the N-terminal domain of huntingtin (htt17) in 50 % TFE Deposited 2011-05-13	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–17（17 aa） Fragment：N-terminal residues 1-17	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 7.2；293 K；Ionic strength (raw mmCIF value) 0.15；Pressure ambient NMR sample composition 0.2 - 0.3 mM 15N labeled at PHE11 htt17, 10 % D2O, 50 % d3 TFE, 40 % PBS, trifluoroethanol/water \| trifluoroethanol/water	Resolution not provided
2LD2 Solution structure of the N-terminal domain of huntingtin (htt17) in presence of DPC micelles Deposited 2011-05-13	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–17（17 aa） Fragment：N-terminal residues 1-17	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6；293 K；Ionic strength (raw mmCIF value) 0.025；Pressure ambient NMR sample composition 0.2-0.3 mM 15N labeled at PHE11 htt17, 10 % D2O, 25 mM sodium phosphate, 100 mM d38 DPC, 90% H2O/10% D2O \| 90% H2O/10% D2O	Resolution not provided
3IO4 Huntingtin amino-terminal region with 17 Gln residues - Crystal C90 Deposited 2009-08-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Fusion protein, see remark 999 Chain B 1–64（64 aa） Fragment：Fusion protein, see remark 999 Chain C 1–64（64 aa） Fragment：Fusion protein, see remark 999	Not recorded	ZN ZINC ION × 8 CA CALCIUM ION × 6	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；277 K；12% polyethylene glycol, 200 mM Zn Acetate, 200 mM Sodium Acetate, 100 mM Sodium Cacodylate pH 6.5 to 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 3.63 Å R-free 0.304
3IO6 Huntingtin amino-terminal region with 17 Gln residues - crystal C92-a Deposited 2009-08-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：FUSION PROTEIN, SEE REMARK 999 Chain B 1–64（64 aa） Fragment：FUSION PROTEIN, SEE REMARK 999 Chain C 1–64（64 aa） Fragment：FUSION PROTEIN, SEE REMARK 999	Not recorded	ZN ZINC ION × 5 CA CALCIUM ION × 9	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；pH 7.2, VAPOR DIFFUSION, HANGING DROP	Resolution 3.70 Å R-free 0.293
3IOR Huntingtin amino-terminal region with 17 Gln residues - crystal C95 Deposited 2009-08-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Fusion protein, see remark 999 Chain B 1–64（64 aa） Fragment：Fusion protein, see remark 999 Chain C 1–64（64 aa） Fragment：Fusion protein, see remark 999	Not recorded	ZN ZINC ION × 6 CA CALCIUM ION × 6	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；278 K；12% PEG 4000, 200 mM Zn acetate, 200 mM Sodium acetate, 100 mM Sodium Cacodylate pH 6.5-7.4 , VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.60 Å R-free 0.267
3IOT Huntingtin amino-terminal region with 17 Gln residues - crystal C92-b Deposited 2009-08-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain B 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain C 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999	Not recorded	ZN ZINC ION × 9 CA CALCIUM ION × 9	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；278 K；12% PEG 4000, 200 mM Zn acetate, 200 mM Sodium acetate, 100 mM Sodium Cacodylate pH 6.5-7.4, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.50 Å R-free 0.295
3IOU Huntingtin amino-terminal region with 17 Gln residues - crystal C94 Deposited 2009-08-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain B 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain C 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999	Not recorded	ZN ZINC ION × 8 CA CALCIUM ION × 5	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；278 K；12% PEG 4000, 200 mM Zn acetate, 200 mM Sodium acetate, 100 mM Sodium Cacodylate pH 6.5-7.4, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.70 Å R-free 0.299
3IOV Huntingtin amino-terminal region with 17 Gln residues - crystal C99 Deposited 2009-08-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain B 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain C 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999	Not recorded	ZN ZINC ION × 6 CA CALCIUM ION × 7	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；278 K；12% PEG 4000, 200 mM Zn acetate, 200 mM Sodium acetate, 100 mM Sodium Cacodylate pH 6.5-7.4, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.70 Å R-free 0.280
3IOW Huntingtin amino-terminal region with 17 Gln residues - crystal C99-Hg Deposited 2009-08-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain B 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999 Chain C 1–64（64 aa） Fragment：Fusion protein, see remark 999,Fusion protein, see remark 999	Not recorded	ZN ZINC ION × 7 CA CALCIUM ION × 10	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；278 K；12% PEG 4000, 200 mM Zn acetate, 200 mM Sodium acetate, 100 mM Sodium Cacodylate pH 6.5-7.4, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.50 Å R-free 0.281
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain J 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain N 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
3LRH Structure of anti-huntingtin VL domain in complex with huntingtin peptide Deposited 2010-02-11	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 5–18（14 aa） Fragment：huntingtin peptide	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.1；293 K；10 % PEG600, 0.1 mM potassium phosphate dibasic/citric acid, pH 4.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 2.60 Å R-free 0.278
4FE8 Crystal Structure of Htt36Q3H-EX1-X1-C1(Alpha) Deposited 2012-05-29	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Huntingtin protein exon1 domain (UNP residues 1-164),Huntingtin protein exon1 domain (UNP residues 1-164) Chain B 1–64（64 aa） Fragment：Huntingtin protein exon1 domain (UNP residues 1-164),Huntingtin protein exon1 domain (UNP residues 1-164) Chain C 1–64（64 aa） Fragment：Huntingtin protein exon1 domain (UNP residues 1-164),Huntingtin protein exon1 domain (UNP residues 1-164)	Mutation：HQHQH,HQHQH Mutation：HQHQH,HQHQH Mutation：HQHQH,HQHQH	ZN ZINC ION × 31	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；278 K；PEG12K, Na Acetate, Zn Acetate, Na Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.00 Å R-free 0.275
4FEB Crystal Structure of Htt36Q3H-EX1-X1-C2(Beta) Deposited 2012-05-29	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Chain B 1–64（64 aa） Chain C 1–64（64 aa）	Mutation：HQHQH Mutation：HQHQH Mutation：HQHQH	ZN ZINC ION × 38 NA SODIUM ION × 6	X-RAY DIFFRACTION X-ray crystallization conditions hanging drop；pH 6.5；278 K；PEG12K, Na Acetate, Zn Acetate, Na Cacodylate, pH 6.5, hanging drop, temperature 278K	Resolution 2.80 Å R-free 0.275
4FEC Crystal Structure of Htt36Q3H Deposited 2012-05-30	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Huntingtin protein exon1 domain Chain B 1–64（64 aa） Fragment：Huntingtin protein exon1 domain Chain C 1–64（64 aa） Fragment：Huntingtin protein exon1 domain	Mutation：HQHQH,HQHQH Mutation：HQHQH,HQHQH Mutation：HQHQH,HQHQH	ZN ZINC ION × 31	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；278 K；PEG12K, Na Acetate, Zn Acetate, Na Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 3.00 Å R-free 0.275
4FED Crystal Structure of Htt36Q3H Deposited 2012-05-30	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 1–64（64 aa） Fragment：Huntingtin protein exon1 domain,Huntingtin protein exon1 domain Chain B 1–64（64 aa） Fragment：Huntingtin protein exon1 domain,Huntingtin protein exon1 domain Chain C 1–64（64 aa） Fragment：Huntingtin protein exon1 domain,Huntingtin protein exon1 domain	Mutation：HQHQH Mutation：HQHQH Mutation：HQHQH	ZN ZINC ION × 35 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；278 K；PEG12K, Na Acetate, Zn Acetate, Na Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K	Resolution 2.81 Å R-free 0.269
4RAV Crystal structure of scFvC4 in complex with the first 17 AA of huntingtin Deposited 2014-09-11	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain E 1–17（17 aa） Chain F 1–17（17 aa）	Not recorded	SO4 SULFATE ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；291 K；0.2 M ammonium sulphate, 25% PEG 4000 and 0.1 M sodium acetate buffer at pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K	Resolution 2.50 Å R-free 0.226
6EZ8 Human Huntingtin-HAP40 complex structure Deposited 2017-11-14	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.00 Å
6N8C Structure of the Huntingtin tetramer/dimer mixture determined by paramagnetic NMR Deposited 2018-11-29	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 2–24（23 aa） Chain B 2–24（23 aa） Chain C 2–24（23 aa） Chain D 2–24（23 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.5；278 K；Ionic strength (raw mmCIF value) 50；Pressure 1 NMR measurement conditions pH 6.5；283 K；Ionic strength (raw mmCIF value) 50；Pressure 1 NMR sample composition 1 mM [U-13C; U-15N] httNT-Q7, 90% H2O/10% D2O \| 90% H2O/10% D2O NMR sample composition 1 mM 2-13C glucose; U-15N httNT-Q7, 90% H2O/10% D2O \| 90% H2O/10% D2O NMR sample composition 0.6 mM [U-15N] httNT-Q7, 90% H2O/10% D2O \| 90% H2O/10% D2O NMR sample composition 0.75 mM 2-13C glucose; U-15N httNT-Q7, 90% H2O/10% D2O \| 90% H2O/10% D2O NMR sample composition 0.4 mM 2-13C glucose; U-15N httNT-Q7, 90% H2O/10% D2O \| 90% H2O/10% D2O	Resolution not provided
6RMH The Rigid-body refined model of the normal Huntingtin. Deposited 2019-05-06	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；blot 9 seconds incubate 30 seconds	Resolution 9.60 Å
6X9O High resolution cryoEM structure of huntingtin in complex with HAP40 Deposited 2020-06-03	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
6YEJ Cryo-EM structure of the Full-length disease type human Huntingtin Deposited 2020-03-24	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 18–3142（3125 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；30 seconds incubation 8 seconds blotting	Resolution 18.20 Å
7DXJ Human 46QHuntingtin-HAP40 complex structure Deposited 2021-01-19	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–38（38 aa） Chain A 39–3142（3104 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.60 Å
7DXK Human 128QHuntingtin-HAP40 complex structure Deposited 2021-01-19	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–38（38 aa） Chain A 39–3142（3104 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.10 Å
8SAH Huntingtin C-HEAT domain in complex with HAP40 Deposited 2023-03-31	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 2093–3136（1044 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
8VLX HTT in complex with HAP40 and a small molecule. Deposited 2024-01-12	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–3142（3142 aa）	Not recorded	A1ACS N-[(1S,2R)-2-benzylcyclopentyl]-N'-{1-[(1S)-1-(pyridin-4-yl)ethyl]piperidin-4-yl}urea × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；25 mM Hepes, 300 mM NaCl, 0.025%CHAPS, 1mM DTT, 1mM Ligand, 1% DMSO cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
8W15 HTT in complex with HAP40 in the apo state. Deposited 2024-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4；25 mM Hepes, 300 mM NaCl, 0.025%CHAPS, 1mM DTT, 1% DMSO cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.72 Å
8YAE Cryo-ET structure of huntingtin actin complex Deposited 2024-02-09	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 14 PDB declaration: tetradecameric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.08 Å
8YAO Cryo-ET structure of huntingtin actin dimer complex Deposited 2024-02-09	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 28 PDB declaration: 28-meric	Chain A 1–3142（3142 aa） Chain a 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 20.80 Å
9PMW Structure of HTTQ23-HAP40 complex bound to macrocycles HHL1, HD4 and HL2 Deposited 2025-07-18	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.10 Å
9PN0 Structure of HTTQ23-HAP40 complex bound to macrocycles HHD3, HD4 and HL2 Deposited 2025-07-18	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–3142（3142 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.30 Å
9YR6 Structure of HTTQ23-HAP40 complex bound to a small molecule ligand Deposited 2025-10-16	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–3142（3142 aa）	Not recorded	A1CYY 2-[(1R)-2,2-difluorocyclopropyl]-N-[(1-methyl-1H-indazol-6-yl)methyl]aniline × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.30 Å

30 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	HD_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 383–442； UniProt 1–64 Author chain B； PDBConstruct 383–442； UniProt 1–64

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8r2o
Deposition date deposition_date	2023-11-07
Structure title title	Huntingtin-Q17, 1-66, N-MBP fusion
Keywords keywords	HUNTINGTIN, HTT-EX1, UNKNOWN FUNCTION; UNKNOWN FUNCTION
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	45.09 Å
Radius of gyration Rg (electron density) rg_electron	45.84 Å
Forward intensity I(0) i0	119171000.00
Molecular weight molecular_weight	92188.0 kDa
Excluded volume excluded_volume	116270 Å³
Envelope volume envelope_volume	158530 Å³
Hydration-shell volume shell_volume	30792 Å³
Envelope diameter envelope_diameter	141.2 Å
Shell Rg shell_rg	46.42 Å
Envelope Rg envelope_rg	44.34 Å
Shape Rg shape_rg	45.83 Å
Total Rg total_rg	45.90 Å
Total atoms total_atoms	6514
Residues n_residues	833
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	146.1 Å
Rg (real space) rg_real	45.63 Å
Rg uncertainty (real space) rg_real_error	1.34 Å
I(0) (real space) i0_real	1.1920e+08
I(0) uncertainty (real space) i0_real_error	2.0300e+06
Rg (reciprocal space) rg_reciprocal	45.09 Å
I(0) (reciprocal space) i0_reciprocal	119100000.0000
Solution quality estimate total_estimate	0.6345
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	3
Primary peak position r_peak_primary	29.2 Å
Skewness Skewness skewness	0.309
Kurtosis Kurtosis kurtosis	-1.176
Angular range angular_range	— – 0.1750 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	11540000.0000
Real-space data points n_real_points	36
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.136; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.147; Smooth: 0.689

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Description description	Maltodextrin-binding protein,Huntingtin, myristoylated N-terminal fragment
Molecular weight formula_weight	48574.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6514

MGMKIEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLEEKFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKLIAYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIAADGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGETAMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFLENYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAFWYAVRTAVINAASGRQTVDAALAAAQTNAAAGSENLYFQGMATLEKLMKAFESLKSFQQQQQQQQQQQQQQQQQPPPPPPPPPPPQLPQPPPQAQPLLPQ

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 branched

Description description	alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	2

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8. Citations (1)

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Unit-cell length a length_a	278.619 Å
Unit-cell length b length_b	278.619 Å
Unit-cell length c length_c	278.619 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	96

Space group space_group	F 2 3
Space-group number int_tables_number	196
Crystal system crystal_system	—

Resolution resolution	3.230 Å
Low-resolution limit resolution_low	47.140 Å
R factor r_factor	0.1676
R_work r_work	0.1665
R_free r_free	0.2376

fit	/app/data/saxs_computation/r2/8r2o/8r2o.fit
pddf	/app/data/pr_computation/r2/8r2o/8r2o.pr.out
profile	/app/data/saxs_computation/r2/8r2o/8r2o.dat

Huntingtin-Q17, 1-66, N-MBP fusion

1. Protein Identity and Related Structures Protein Identity & Related Structures

Maltodextrin-binding protein,Huntingtin, myristoylated N-terminal fragment

State in the Current Structure

Other States of the Same Protein in the Database

Maltodextrin-binding protein,Huntingtin, myristoylated N-terminal fragment

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 branched

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)