4ozi

S2 protein complex

Method: X-RAY DIFFRACTION D_max: 171.2 Å Quality: GOOD

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

HLA class II histocompatibility antigen, DQ alpha 1 chain

Homo sapiens

UniProt P01909

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain A； UniProt 24–206	Not recorded	HLA class II histocompatibility antigen, DQ beta 1 chain × 1 （Q5Y7D3） T-cell receptor, s2, alpha chain × 1 T-cell receptor, s2, beta chain × 1 deamidated Gliadin-alpha1 peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.20 Å R-free 0.243
2	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain C； UniProt 24–206	Not recorded	HLA class II histocompatibility antigen, DQ beta 1 chain × 1 （Q5Y7D3） T-cell receptor, s2, alpha chain × 1 T-cell receptor, s2, beta chain × 1 deamidated Gliadin-alpha1 peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.20 Å R-free 0.243

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 4OZI	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1S9V Crystal structure of HLA-DQ2 complexed with deamidated gliadin peptide Deposited 2004-02-05	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 24–216（193 aa） Fragment：residues (-1)-191	Not recorded	EDO 1,2-ETHANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 3.5；300 K；sodium acetate, ammonium acetate, ammonium sulfate, ethylene glycol, PEG 3350, pH 3.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 2.22 Å R-free 0.283
1S9V Crystal structure of HLA-DQ2 complexed with deamidated gliadin peptide Deposited 2004-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 24–216（193 aa） Fragment：residues (-1)-191	Not recorded	EDO 1,2-ETHANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 3.5；300 K；sodium acetate, ammonium acetate, ammonium sulfate, ethylene glycol, PEG 3350, pH 3.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K	Resolution 2.22 Å R-free 0.283
4GG6 Protein complex Deposited 2012-08-06	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa） Fragment：EXTRACELLULAR DOMAINS, UNP RESIDUES 24-206	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；294 K；0.2M SODIUM ACETATE, 0.1M MES PH 6.5, 17% PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 3.20 Å R-free 0.285
4GG6 Protein complex Deposited 2012-08-06	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 24–206（183 aa） Fragment：EXTRACELLULAR DOMAINS, UNP RESIDUES 24-206	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；294 K；0.2M SODIUM ACETATE, 0.1M MES PH 6.5, 17% PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 3.20 Å R-free 0.285
4OZF JR5.1 protein complex Deposited 2014-02-15	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15 - 0.25M CaOAc, 0.1M Tris/HCl, 12-18% PEG3350, Additives:2-3 mM reduced and oxidised Glutathione	Resolution 2.70 Å R-free 0.238
4OZG D2 protein complex Deposited 2014-02-16	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.00 Å R-free 0.241
4OZG D2 protein complex Deposited 2014-02-16	Different oligomeric state Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.00 Å R-free 0.241
4OZH S16 protein complex Deposited 2014-02-16	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 2.80 Å R-free 0.243
4OZH S16 protein complex Deposited 2014-02-16	Different ligand/ion Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 2.80 Å R-free 0.243
5KSA Bel602-DQ8.5-glia-gamma1 complex Deposited 2016-07-08	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；0.1 M Ca-Acetate, 21 % PEG3350, Tris pH 8.0	Resolution 2.00 Å R-free 0.206
5KSB T15-DQ8.5-glia-gamma1 complex Deposited 2016-07-08	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；8% Tacsimate pH 7.5, 20% PEG3350	Resolution 2.90 Å R-free 0.254
5KSB T15-DQ8.5-glia-gamma1 complex Deposited 2016-07-08	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；8% Tacsimate pH 7.5, 20% PEG3350	Resolution 2.90 Å R-free 0.254
5KSU Crystal structure of HLA-DQ2.5-CLIP1 at 2.73 resolution Deposited 2016-07-10	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 24–216（193 aa） Fragment：UNP residues 1-193	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；291 K；PEG 8000, ammonium sulphate, sodium cacodylate, glycerol	Resolution 2.73 Å R-free 0.249
5KSU Crystal structure of HLA-DQ2.5-CLIP1 at 2.73 resolution Deposited 2016-07-10	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 24–216（193 aa） Fragment：UNP residues 1-193	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；291 K；PEG 8000, ammonium sulphate, sodium cacodylate, glycerol	Resolution 2.73 Å R-free 0.249
6MFF HLA-DQ2-glia-omega1 Deposited 2018-09-10	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；23% PEG3350 and 0.1 M NaH2PO4, pH 6	Resolution 2.60 Å R-free 0.250
6MFG HLA-DQ2-glia-alpha1 Deposited 2018-09-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 24–206（183 aa） Chain C 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；23% PEG3350 and 0.1 M NaH2PO4, pH 6	Resolution 2.00 Å R-free 0.222
6U3M DQ2-P.fluor-alpha1a Deposited 2019-08-22	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 24–206（183 aa）	Not recorded	GOL GLYCEROL × 2 PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；18% PEG3350 and 0.15M NH4H2PO4	Resolution 1.90 Å R-free 0.220
6U3M DQ2-P.fluor-alpha1a Deposited 2019-08-22	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 24–206（183 aa）	Not recorded	GOL GLYCEROL × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；18% PEG3350 and 0.15M NH4H2PO4	Resolution 1.90 Å R-free 0.220
7SG0 W316 TCR in complex with HLA-DQ2-omega1 Deposited 2021-10-04	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 EDO 1,2-ETHANEDIOL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；24% PEG3350, 0.25 M (NH4)2SO4 and 0.1 M Tris/HCl at pH 8.0	Resolution 3.00 Å R-free 0.230
7SG1 XPA5 TCR in complex with HLA-DQ2-alpha1 Deposited 2021-10-04	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 EDO 1,2-ETHANEDIOL × 1 CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 16-18% PEG3350, 0.12-0.14 M CaOAc, 0.1 M Tris/HCl at pH 8.0, Additives: 2 mM reduced and oxidised Glutathione	Resolution 3.10 Å R-free 0.258
7SG1 XPA5 TCR in complex with HLA-DQ2-alpha1 Deposited 2021-10-04	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain F 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 EDO 1,2-ETHANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 16-18% PEG3350, 0.12-0.14 M CaOAc, 0.1 M Tris/HCl at pH 8.0, Additives: 2 mM reduced and oxidised Glutathione	Resolution 3.10 Å R-free 0.258
7SG2 XPA5 TCR in complex with HLA-DQ2-omega1 Deposited 2021-10-04	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 EDO 1,2-ETHANEDIOL × 1 ACT ACETATE ION × 1 CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 16-18% PEG3350, 0.12-0.14 M CaOAc, 0.1 M Tris/HCl at pH 8.0, Additives: 2 mM reduced and oxidised Glutathione	Resolution 3.10 Å R-free 0.259
7SG2 XPA5 TCR in complex with HLA-DQ2-omega1 Deposited 2021-10-04	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain F 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 EDO 1,2-ETHANEDIOL × 2 ACT ACETATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 16-18% PEG3350, 0.12-0.14 M CaOAc, 0.1 M Tris/HCl at pH 8.0, Additives: 2 mM reduced and oxidised Glutathione	Resolution 3.10 Å R-free 0.259
8VSP Cryo-EM structure of human invariant chain in complex with HLA-DQ Deposited 2024-01-24	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric	Chain A 1–254（254 aa） Chain D 1–254（254 aa） Chain G 1–254（254 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.12 Å
8W83 HLA-DQ2.5-alpha1 gliadin peptide in complex with DQN0344AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；294 K；0.1 M HEPES (pH7.5), 25.0 %w/v Polyethylene glycol 1,000, and 20 %v/v Glycerol as cryoprotectant	Resolution 2.82 Å R-free 0.321
8W83 HLA-DQ2.5-alpha1 gliadin peptide in complex with DQN0344AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain G 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；294 K；0.1 M HEPES (pH7.5), 25.0 %w/v Polyethylene glycol 1,000, and 20 %v/v Glycerol as cryoprotectant	Resolution 2.82 Å R-free 0.321
8W83 HLA-DQ2.5-alpha1 gliadin peptide in complex with DQN0344AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain K 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；294 K；0.1 M HEPES (pH7.5), 25.0 %w/v Polyethylene glycol 1,000, and 20 %v/v Glycerol as cryoprotectant	Resolution 2.82 Å R-free 0.321
8W83 HLA-DQ2.5-alpha1 gliadin peptide in complex with DQN0344AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain O 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；294 K；0.1 M HEPES (pH7.5), 25.0 %w/v Polyethylene glycol 1,000, and 20 %v/v Glycerol as cryoprotectant	Resolution 2.82 Å R-free 0.321
8W84 HLA-DQ2.5-alpha2 gliadin peptide in complex with DQN0344AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4；293 K；80 mM di-Sodium malonate (pH4.0), 9.6 %w/v Polyethylene glycol 3,350, and 25 %v/v Ethylene glycol as cryoprotectant	Resolution 2.10 Å R-free 0.325
8W85 HLA-DQ2.5-gamma2 gliadin peptide in complex with DQN0385AE01 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；294 K；0.1 M Ammonium sulfate, 10.0 %w/v Polyethylene glycol 3,350, and 30 %v/v Ethylene glycol as cryoprotectant	Resolution 2.77 Å R-free 0.300
8W85 HLA-DQ2.5-gamma2 gliadin peptide in complex with DQN0385AE01 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain G 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；294 K；0.1 M Ammonium sulfate, 10.0 %w/v Polyethylene glycol 3,350, and 30 %v/v Ethylene glycol as cryoprotectant	Resolution 2.77 Å R-free 0.300
8W86 HLA-DQ2.5-B/C hordein peptide in complex with DQN0385AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；294 K；0.1 M MES monohydrate (pH5.5), 12.0 %w/v Polyethylene glycol 8,000, 0.1 M Calcium acetate hydrate, and 30 %v/v Ethylene glycol as cryoprotectant	Resolution 2.24 Å R-free 0.280
8W86 HLA-DQ2.5-B/C hordein peptide in complex with DQN0385AE02 Deposited 2023-08-31	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain G 24–206（183 aa）	Mutation：C47S	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；294 K；0.1 M MES monohydrate (pH5.5), 12.0 %w/v Polyethylene glycol 8,000, 0.1 M Calcium acetate hydrate, and 30 %v/v Ethylene glycol as cryoprotectant	Resolution 2.24 Å R-free 0.280
9EJG Peptide-independent T cell receptor recognition of HLA-DQ2 Deposited 2024-11-27	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 FMT FORMIC ACID × 5 GOL GLYCEROL × 2 ACT ACETATE ION × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；8% Tacsimate, pH 8.0, 20-24% w/v PEG3350	Resolution 2.20 Å R-free 0.225
9EJH Peptide-independent T cell receptor recognition of HLA-DQ2 Deposited 2024-11-27	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 24–206（183 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ACT ACETATE ION × 4 GOL GLYCEROL × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；8% Tacsimate, pH 8.0, 20-24% w/v PEG3350	Resolution 2.45 Å R-free 0.232

21 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	DQA1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–183； UniProt 24–206 Author chain C； PDBConstruct 1–183； UniProt 24–206

HLA class II histocompatibility antigen, DQ beta 1 chain

Homo sapiens

UniProt Q5Y7D3

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain B； UniProt 33–224	Not recorded	HLA class II histocompatibility antigen, DQ alpha 1 chain × 1 （P01909） T-cell receptor, s2, alpha chain × 1 T-cell receptor, s2, beta chain × 1 deamidated Gliadin-alpha1 peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.20 Å R-free 0.243
2	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain D； UniProt 33–224	Not recorded	HLA class II histocompatibility antigen, DQ alpha 1 chain × 1 （P01909） T-cell receptor, s2, alpha chain × 1 T-cell receptor, s2, beta chain × 1 deamidated Gliadin-alpha1 peptide × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.20 Å R-free 0.243

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 4OZI	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
4D8P Structural and functional studies of the trans-encoded HLA-DQ2.3 (DQA103:01/DQB102:01) molecule Deposited 2012-01-11	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 33–230（198 aa）	Mutation：Q26E, Q23E	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.2M Li2So4, 0.1M Tris, 30% PEG 4000, 8% Glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 3.05 Å R-free 0.283
4D8P Structural and functional studies of the trans-encoded HLA-DQ2.3 (DQA103:01/DQB102:01) molecule Deposited 2012-01-11	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 33–230（198 aa）	Mutation：Q26E, Q23E	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；0.2M Li2So4, 0.1M Tris, 30% PEG 4000, 8% Glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 3.05 Å R-free 0.283
4OZF JR5.1 protein complex Deposited 2014-02-15	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 33–224（192 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15 - 0.25M CaOAc, 0.1M Tris/HCl, 12-18% PEG3350, Additives:2-3 mM reduced and oxidised Glutathione	Resolution 2.70 Å R-free 0.238
4OZG D2 protein complex Deposited 2014-02-16	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 33–224（192 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.00 Å R-free 0.241
4OZG D2 protein complex Deposited 2014-02-16	Different oligomeric state Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 33–224（192 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 3.00 Å R-free 0.241
4OZH S16 protein complex Deposited 2014-02-16	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 33–224（192 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 2.80 Å R-free 0.243
4OZH S16 protein complex Deposited 2014-02-16	Different ligand/ion Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 33–224（192 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；Mother liquor: 0.15- 0.25M CaOAc, 0.1 M Tris/HCl, 12-18% PEG3350, Additives: 2-3 mM reduced and oxidised Glutathione	Resolution 2.80 Å R-free 0.243

4 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	Q5Y7D3_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 14–205； UniProt 33–224 Author chain D； PDBConstruct 14–205； UniProt 33–224

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	4ozi
Deposition date deposition_date	2014-02-16
Structure title title	S2 protein complex
Keywords keywords	IMMUNE RECEPTOR-LIGAND COMPLEX, IMMUNE SYSTEM; IMMUNE SYSTEM
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	50.52 Å
Radius of gyration Rg (electron density) rg_electron	50.13 Å
Forward intensity I(0) i0	484956000.00
Molecular weight molecular_weight	182020.0 kDa
Excluded volume excluded_volume	227060 Å³
Envelope volume envelope_volume	347930 Å³
Hydration-shell volume shell_volume	58712 Å³
Envelope diameter envelope_diameter	168.7 Å
Shell Rg shell_rg	53.92 Å
Envelope Rg envelope_rg	48.43 Å
Shape Rg shape_rg	50.14 Å
Total Rg total_rg	50.21 Å
Total atoms total_atoms	12849
Residues n_residues	1621
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	171.2 Å
Rg (real space) rg_real	50.57 Å
Rg uncertainty (real space) rg_real_error	1.86 Å
I(0) (real space) i0_real	4.8500e+08
I(0) uncertainty (real space) i0_real_error	9.4710e+06
Rg (reciprocal space) rg_reciprocal	50.47 Å
I(0) (reciprocal space) i0_reciprocal	484900000.0000
Solution quality estimate total_estimate	0.8648
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	66.3 Å
Skewness Skewness skewness	0.198
Kurtosis Kurtosis kurtosis	-0.715
Angular range angular_range	— – 0.1550 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	24130000.0000
Real-space data points n_real_points	32
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.863; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.877; Smooth: 0.772

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Description description	HLA class II histocompatibility antigen, DQ alpha 1 chain
Molecular weight formula_weight	21517.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	12849

EDIVADHVASYGVNLYQSYGPSGQYTHEFDGDEQFYVDLGRKETVWCLPVLRQFRFDPQFALTNIAVLKHNLNSLIKRSNSTAATNEVPEVTVFSKSPVTLGQPNILICLVDNIFPPVVNITWLSNGHSVTEGVSETSFLSKSDHSFFKISYLTLLPSAEESYDCKVEHWGLDKPLLKHWEPETSGDDDDK

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	Trichoplusia ni

Entity 2 Entity 2 polymer

Description description	HLA class II histocompatibility antigen, DQ beta 1 chain
Molecular weight formula_weight	24361.2 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D

GGSIEGRGGSGASRDSPEDFVYQFKGMCYFTNGTERVRLVSRSIYNREEIVRFDSDVGEFRAVTLLGLPAAEYWNSQKDILERKRAAVDRVCRHNYQLELRTTLQRRVEPTVTISPSRTEALNHHNLLVCSVTDFYPAQIKVRWFRNDQEETAGVVSTPLIRNGDWTFQILVMLEMTPQRGDVYTCHVEHPSLQSPITVEWRAQSTGGDDDDK

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	Trichoplusia ni

Entity 3 Entity 3 polymer

Description description	T-cell receptor, s2, alpha chain
Molecular weight formula_weight	22915.3 kDa
Mutation mutation	T174C
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,G

KTTQPISMDSYEGQEVNITCSHNNIATNDYITWYQQFPSQGPRFIIQGYKTKVTNEVASLFIPADRKSSTLSLPRVSLSDTAVYYCLVGDGGSFSGGYNKLIFGAGTRLAVHPYIQNPDPAVYQLRDSKSSDKSVCLFTDFDSQTNVSQSKDSDVYITDKCVLDMRSMDFKSNSAVAWSNKSDFACANAFNNSIIPEDTFFPSPESS

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 4 Entity 4 polymer

Description description	T-cell receptor, s2, beta chain
Molecular weight formula_weight	27447.8 kDa
Mutation mutation	C202A, S184C
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,H

MVVSQHPSWVICKSGTSVKIECRSLDFQATTMFWYRQFPKQSLMLMATSNEGSKATYEQGVEKDKFLINHASLTLSTLTVTSAHPEDSSFYICSAGVGGQETQYFGPGTRLLVLEDLKNVFPPEVAVFEPSEAEISHTQKATLVCLATGFYPDHVELSWWVNGKEVHSGVCTDPQPLKEQPALNDSRYALSSRLRVSATFWQNPRNHFRCQVQFYGLSENDEWTQDRAKPVTQIVSAEAWGRAD

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 5 Entity 5 polymer

Description description	deamidated Gliadin-alpha1 peptide
Molecular weight formula_weight	1456.6 kDa
Mutation mutation	Q6E
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,J

QPFPQPELPYPGS

来源 Source

来源生物 organism	Triticum aestivum
通用名 common_name	bread wheat
NCBI Class编号 ncbi_taxonomy_id	4565
宿主生物 host_organism	Trichoplusia ni

Entity 6 Entity 6 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	2

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7. Fold Classification (SCOP + CATH) 16 domains

CATH v4.4 (16 domains)

Domain ID domain_id	4oziA01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

Domain ID domain_id	4oziA02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziB01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

Domain ID domain_id	4oziB02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziC01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

Domain ID domain_id	4oziC02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziD01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

Domain ID domain_id	4oziD02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziE01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziE02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziF01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziF02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziG01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziG02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziH01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4oziH02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

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8. Citations (1)

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Unit-cell length a length_a	233.027 Å
Unit-cell length b length_b	142.239 Å
Unit-cell length c length_c	101.090 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	109.79 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	46.850 Å
R factor r_factor	0.2141
R_work r_work	0.2125
R_free r_free	0.2434

fit	/app/data/saxs_computation/oz/4ozi/4ozi.fit
pddf	/app/data/pr_computation/oz/4ozi/4ozi.pr.out
profile	/app/data/saxs_computation/oz/4ozi/4ozi.dat

S2 protein complex

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

HLA class II histocompatibility antigen, DQ alpha 1 chain

State in the Current Structure

Other States of the Same Protein in the Database

HLA class II histocompatibility antigen, DQ beta 1 chain

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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

Entity 4 Entity 4 polymer

Polymer Polymer

来源 Source

Entity 5 Entity 5 polymer

Polymer Polymer

来源 Source

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

7. Fold Classification (SCOP + CATH) 16 domains

CATH v4.4 (16 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)