1rua

Crystal structure (B) of u.v.-irradiated cationic cyclization antibody 4C6 fab at pH 4.6 with a data set collected at SSRL beamline 11-1.

Method: X-RAY DIFFRACTION D_max: 81.3 Å Quality: EXCELLENT

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

immunoglobulin igg2a, light chain

OrganismNot specified

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 × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain L； UniProt 21–239	Fragment：fab Non-standard monomer：Yes (specific site not provided by mmCIF)	immunoglobulin igg2a, heavy chain × 1 （P01865） ACT ACETATE ION × 1 GOL GLYCEROL × 3 BEZ BENZOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 4.6；295 K；0.1M sodium acetate, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.75 Å R-free 0.251

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 1RUA	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1KN2 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa）	Not recorded	ZN ZINC ION × 7 PNE PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.238
1KN2 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct 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 L 21–239（219 aa）	Not recorded	ZN ZINC ION × 14 PNE PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.238
1KN2 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct 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 L 21–239（219 aa）	Not recorded	ZN ZINC ION × 14 PNE PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.238
1KN2 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa）	Not recorded	ZN ZINC ION × 7 PNE PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.238
1KN4 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa）	Not recorded	ZN ZINC ION × 7 PDE PARA-NITROPHENYL PHOSPHONOBUTANOYL D-ALANINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, Cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.246
1KN4 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct 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 L 21–239（219 aa）	Not recorded	ZN ZINC ION × 14 PDE PARA-NITROPHENYL PHOSPHONOBUTANOYL D-ALANINE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, Cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.246
1KN4 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct 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 L 21–239（219 aa）	Not recorded	ZN ZINC ION × 14 PDE PARA-NITROPHENYL PHOSPHONOBUTANOYL D-ALANINE × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, Cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.246
1KN4 CATALYTIC ANTIBODY D2.3 COMPLEX Deposited 2001-12-18	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa）	Not recorded	ZN ZINC ION × 7 PDE PARA-NITROPHENYL PHOSPHONOBUTANOYL D-ALANINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；PEG600, ZnSO4, Cacodylate, pH 7.00, VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.246
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	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 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain Chain C 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 2 SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct 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 E 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain Chain G 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 2 SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 21–239（219 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, light chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1RU9 Crystal Structure (A) of u.v.-irradiated cationic cyclization antibody 4C6 Fab at pH 4.6 with a data set collected in-house. Deposited 2003-12-11	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa） Fragment：fab	Non-standard monomer：Yes (specific site not provided by mmCIF)	GOL GLYCEROL × 5 ACT ACETATE ION × 1 BEZ BENZOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；295 K；0.1M sodium acetate, pH 4.6, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.50 Å R-free 0.247
1RUK Crystal structure (C) of native cationic cyclization antibody 4C6 fab at pH 4.6 with a data set collected at SSRL beamline 9-1 Deposited 2003-12-11	Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa） Fragment：fab	Not recorded	ACT ACETATE ION × 1 BEZ BENZOIC ACID × 1 GOL GLYCEROL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；295 K；0.1M sodium acetate, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.40 Å R-free 0.210
1RUL Crystal Structure (D) of u.v.-irradiated cationic cyclization antibody 4C6 Fab at pH 5.6 with a data set collected at SSRL beamline 11-1. Deposited 2003-12-11	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa） Fragment：fab	Non-standard monomer：Yes (specific site not provided by mmCIF)	ACT ACETATE ION × 1 GOL GLYCEROL × 4 BEZ BENZOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；295 K；0.1 M tri-sodium citrate, 0.2M ammonium acetate, 15% (w/v) PEG 4000, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.88 Å R-free 0.283
1RUM Crystal structure (F) of H2O2-soaked cationic cyclization antibody 4C6 fab at pH 8.5 with a data set collected at SSRL beamline 9-1. Deposited 2003-12-11	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa） Fragment：fab	Non-standard monomer：Yes (specific site not provided by mmCIF)	BEZ BENZOIC ACID × 1 GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；295 K；0.1 M tris hydrochloride, pH 8.5, 0.2 M sodium acetate, 15% (w/v) PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.48 Å R-free 0.245
1RUP Crystal structure (G) of native cationic cyclization antibody 4C6 fab at pH 8.5 with a data set collected at APS beamline 19-ID Deposited 2003-12-11	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain L 21–239（219 aa） Fragment：fab	Not recorded	BEZ BENZOIC ACID × 1 GOL GLYCEROL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；295 K；0.1 M tris hydrochloride, 0.2 M sodium acetate, 15% (w/v) PEG 4000 , pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.40 Å R-free 0.212

8 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	Q8K0F8_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain L； PDBConstruct 1–219； UniProt 21–239

immunoglobulin igg2a, heavy chain

OrganismNot specified

UniProt P01865

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 × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain H； UniProt 1–102	Fragment：fab Non-standard monomer：Yes (specific site not provided by mmCIF)	immunoglobulin igg2a, light chain × 1 （Q8K0F8） ACT ACETATE ION × 1 GOL GLYCEROL × 3 BEZ BENZOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；pH 4.6；295 K；0.1M sodium acetate, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.75 Å R-free 0.251

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 1RUA	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1AXT IMMUNE VERSUS NATURAL SELECTION: ANTIBODY ALDOLASES WITH THE RATES OF NATURAL ENZYMES Deposited 1997-10-20	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–100（100 aa） Fragment：;FAB' FRAGMENT 33F12 ;	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.4；PROTEIN WAS CRYSTALLIZED FROM 18% PEG 4000, 10% ISOPROPANOL, 100 MM HEPES, PH 7.4.	Resolution 2.15 Å R-free 0.317
1EGJ DOMAIN 4 OF THE BETA COMMON CHAIN IN COMPLEX WITH AN ANTIBODY Deposited 2000-02-15	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain H 1–220（220 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；295 K；12% peg 4000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 22K	Resolution 2.80 Å R-free 0.288
1FLR 4-4-20 FAB FRAGMENT Deposited 1995-01-19	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–101（101 aa）	Not recorded	FLU 2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-BENZOIC ACID × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 1.85 Å
1FPT THREE-DIMENSIONAL STRUCTURE OF THE COMPLEX BETWEEN THE FAB FRAGMENT OF AN NEUTRALIZING ANTIBODY FOR TYPE 1 POLIOVIRUS AND ITS VIRAL EPITOPE Deposited 1995-01-26	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain H 1–100（100 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 3.00 Å
1GGB MAJOR ANTIGEN-INDUCED DOMAIN REARRANGEMENTS IN AN ANTIBODY Deposited 1993-07-19	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–100（100 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.80 Å
1GGC MAJOR ANTIGEN-INDUCED DOMAIN REARRANGEMENTS IN AN ANTIBODY Deposited 1993-07-19	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–100（100 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.80 Å
1KB5 MURINE T-CELL RECEPTOR VARIABLE DOMAIN/FAB COMPLEX Deposited 1997-04-06	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 H 1–99（99 aa） Fragment：FAB	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.2；15% PEG6000, 100MM HEPES PH 6.9-7.5, 200MM NACL, 0.1% NAN3, pH 7.2	Resolution 2.50 Å
1LO0 Catalytic Retro-Diels-Alderase Transition State Analogue Complex Deposited 2002-05-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain Y 1–101（101 aa）	Not recorded	BC1 3-{[(9-CYANO-9,10-DIHYDRO-10-METHYLACRIDIN-9-YL)CARBONYL]AMINO}PROPANOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；290 K；PEG, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 2.00 Å R-free 0.255
1LO0 Catalytic Retro-Diels-Alderase Transition State Analogue Complex Deposited 2002-05-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–101（101 aa）	Not recorded	BC1 3-{[(9-CYANO-9,10-DIHYDRO-10-METHYLACRIDIN-9-YL)CARBONYL]AMINO}PROPANOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；290 K；PEG, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K	Resolution 2.00 Å R-free 0.255
1NBY Crystal Structure of HyHEL-63 complexed with HEL mutant K96A Deposited 2002-12-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–96（96 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；PEG 4000, AMMONIUM ACETATE, SODIUM ACETATE, pH 4.60, VAPOR DIFFUSION, HANGING DROP	Resolution 1.80 Å R-free 0.250
1NBZ Crystal Structure of HyHEL-63 complexed with HEL mutant K97A Deposited 2002-12-04	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–96（96 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；PEG 4000, AMMONIUM ACETATE, SODIUM ACETATE, pH 4.60, VAPOR DIFFUSION, HANGING DROP	Resolution 1.85 Å R-free 0.229
1NCA REFINED CRYSTAL STRUCTURE OF THE INFLUENZA VIRUS N9 NEURAMINIDASE-NC41 FAB COMPLEX Deposited 1992-01-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric	Chain H 1–101（101 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 4	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.50 Å
1NCA REFINED CRYSTAL STRUCTURE OF THE INFLUENZA VIRUS N9 NEURAMINIDASE-NC41 FAB COMPLEX Deposited 1992-01-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 20 PDB declaration: eicosameric	Chain H 1–101（101 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 16 CA CALCIUM ION × 8	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.50 Å
1NCB CRYSTAL STRUCTURES OF TWO MUTANT NEURAMINIDASE-ANTIBODY COMPLEXES WITH AMINO ACID SUBSTITUTIONS IN THE INTERFACE Deposited 1992-01-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric	Chain H 1–101（101 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 4	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.50 Å
1NCB CRYSTAL STRUCTURES OF TWO MUTANT NEURAMINIDASE-ANTIBODY COMPLEXES WITH AMINO ACID SUBSTITUTIONS IN THE INTERFACE Deposited 1992-01-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Heteromer；Protein × 20 PDB declaration: eicosameric	Chain H 1–101（101 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 8	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.50 Å
1NCC CRYSTAL STRUCTURES OF TWO MUTANT NEURAMINIDASE-ANTIBODY COMPLEXES WITH AMINO ACID SUBSTITUTIONS IN THE INTERFACE Deposited 1992-01-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric	Chain H 1–101（101 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 4	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.50 Å
1NCD REFINED CRYSTAL STRUCTURE OF THE INFLUENZA VIRUS N9 NEURAMINIDASE-NC41 FAB COMPLEX Deposited 1992-01-21	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric	Chain H 1–101（101 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 4	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.90 Å
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	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 B 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain Chain D 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 2 SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct 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 F 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain Chain H 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 2 SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1ND0 CATIONIC CYCLIZATION ANTIBODY 4C6 COMPLEX WITH TRANSITION STATE ANALOG Deposited 2002-12-05	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa） Fragment：IMMUNOGLOBULIN FAB FRAGMENT, heavy chain	Not recorded	DP4 (1s,4s)-4-[dimethyl(phenyl)silyl]-1-methylpiperidine 1-oxide × 1 SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；295 K；ammonium sulfate, dioxane, tri-sodium citrate dihydrate, pH 5.5, evaporation, temperature 295K	Resolution 2.45 Å R-free 0.286
1NDG Crystal structure of Fab fragment of antibody HyHEL-8 complexed with its antigen lysozyme Deposited 2002-12-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–96（96 aa）	Not recorded	ACY ACETIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；VAPOR DIFFUSION, HANGING DROP	Resolution 1.90 Å R-free 0.249
1NDM Crystal structure of Fab fragment of antibody HyHEL-26 complexed with lysozyme Deposited 2002-12-09	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–96（96 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；VAPOR DIFFUSION, HANGING DROP	Resolution 2.10 Å R-free 0.258
1ORQ X-ray structure of a voltage-dependent potassium channel in complex with an Fab Deposited 2003-03-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric	Chain B 1–99（99 aa）	Not recorded	CD CADMIUM ION × 28 K POTASSIUM ION × 24	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；293 K；PEG400, Cadmium chloride, Sodium acetate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 3.20 Å R-free 0.298
1ORQ X-ray structure of a voltage-dependent potassium channel in complex with an Fab Deposited 2003-03-14	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric	Chain B 1–99（99 aa）	Not recorded	CD CADMIUM ION × 56 K POTASSIUM ION × 48	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；293 K；PEG400, Cadmium chloride, Sodium acetate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K	Resolution 3.20 Å R-free 0.298
1PLG EVIDENCE FOR THE EXTENDED HELICAL NATURE OF POLYSACCHARIDE EPITOPES. THE 2.8 ANGSTROMS RESOLUTION STRUCTURE AND THERMODYNAMICS OF LIGAND BINDING OF AN ANTIGEN BINDING FRAGMENT SPECIFIC FOR ALPHA-(2->8)-POLYSIALIC ACID Deposited 1995-04-24	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–98（98 aa） Fragment：FAB FRAGMENT THAT BINDS POLYSIALIC ACID	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.80 Å
1RU9 Crystal Structure (A) of u.v.-irradiated cationic cyclization antibody 4C6 Fab at pH 4.6 with a data set collected in-house. Deposited 2003-12-11	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa） Fragment：fab	Non-standard monomer：Yes (specific site not provided by mmCIF)	GOL GLYCEROL × 5 ACT ACETATE ION × 1 BEZ BENZOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；295 K；0.1M sodium acetate, pH 4.6, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.50 Å R-free 0.247
1RUK Crystal structure (C) of native cationic cyclization antibody 4C6 fab at pH 4.6 with a data set collected at SSRL beamline 9-1 Deposited 2003-12-11	Different mutation/modification Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa） Fragment：fab	Not recorded	ACT ACETATE ION × 1 BEZ BENZOIC ACID × 1 GOL GLYCEROL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；295 K；0.1M sodium acetate, 0.2 M ammonium acetate, 15% (w/v) PEG 4000, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.40 Å R-free 0.210
1RUL Crystal Structure (D) of u.v.-irradiated cationic cyclization antibody 4C6 Fab at pH 5.6 with a data set collected at SSRL beamline 11-1. Deposited 2003-12-11	Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa） Fragment：fab	Non-standard monomer：Yes (specific site not provided by mmCIF)	ACT ACETATE ION × 1 GOL GLYCEROL × 4 BEZ BENZOIC ACID × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；295 K；0.1 M tri-sodium citrate, 0.2M ammonium acetate, 15% (w/v) PEG 4000, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.88 Å R-free 0.283
1RUM Crystal structure (F) of H2O2-soaked cationic cyclization antibody 4C6 fab at pH 8.5 with a data set collected at SSRL beamline 9-1. Deposited 2003-12-11	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa） Fragment：fab	Not recorded	BEZ BENZOIC ACID × 1 GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；295 K；0.1 M tris hydrochloride, pH 8.5, 0.2 M sodium acetate, 15% (w/v) PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.48 Å R-free 0.245
1RUP Crystal structure (G) of native cationic cyclization antibody 4C6 fab at pH 8.5 with a data set collected at APS beamline 19-ID Deposited 2003-12-11	Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–102（102 aa） Fragment：fab	Not recorded	BEZ BENZOIC ACID × 1 GOL GLYCEROL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；295 K；0.1 M tris hydrochloride, 0.2 M sodium acetate, 15% (w/v) PEG 4000 , pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 1.40 Å R-free 0.212
1YEE STRUCTURE OF A CATALYTIC ANTIBODY, IGG2A FAB FRAGMENT (D2.5) Deposited 1997-04-15	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–99（99 aa）	Not recorded	PNB 4-NITRO-BENZYLPHOSPHONOBUTANOYL-GLYCINE × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 5.6；pH 5.6	Resolution 2.20 Å R-free 0.260
4FAB THREE-DIMENSIONAL STRUCTURE OF A FLUORESCEIN-FAB COMPLEX CRYSTALLIZED IN 2-METHYL-2,4-PENTANEDIOL Deposited 1989-04-10	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1–98（98 aa）	Not recorded	FLU 2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-BENZOIC ACID × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.70 Å
4ZXB Structure of the human insulin receptor ectodomain, IRDeltabeta construct, in complex with four Fab molecules Deposited 2015-05-20	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 10 PDB declaration: decameric	Chain C 7–106（100 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；Crystals were produced by vapour diffusion using 1 microlitre of the complex (2.6 mg/ml) in 10 mM HEPES (pH 7.5), 0.02% sodium azide and 10% D-trehalose solution and 1 microlitres of well solution containing 10% PEG 8000, 0.1 M MES (pH 6.5) and 0.1 M MgAc2.	Resolution 3.30 Å R-free 0.237
6UQC Mouse IgG2a Bispecific Fc Deposited 2019-10-18	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric	Chain C 119–325（207 aa） Chain E 119–325（207 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 FUC alpha-L-fucopyranose × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.9；295.15 K；21% PEG10000 and 0.1M bicine pH 7.9	Resolution 1.87 Å R-free 0.229
6UQC Mouse IgG2a Bispecific Fc Deposited 2019-10-18	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric	Chain D 119–325（207 aa） Chain F 119–325（207 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 FUC alpha-L-fucopyranose × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.9；295.15 K；21% PEG10000 and 0.1M bicine pH 7.9	Resolution 1.87 Å R-free 0.229
8AQT Beta SARS-CoV-2 Spike bound to mouse ACE2 (local) Deposited 2022-08-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 97–328（232 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
8AQU BA.1 SARS-CoV-2 Spike bound to mouse ACE2 (local) Deposited 2022-08-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 97–328（232 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.22 Å
8AQV BA.2.12.1 SARS-CoV-2 Spike bound to mouse ACE2 (local) Deposited 2022-08-13	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 97–328（232 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.96 Å

31 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	GCAM_MOUSE
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain H； PDBConstruct 121–222； UniProt 1–102

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	1rua
Deposition date deposition_date	2003-12-11
Structure title title	Crystal structure (B) of u.v.-irradiated cationic cyclization antibody 4C6 fab at pH 4.6 with a data set collected at SSRL beamline 11-1.
Keywords keywords	immunoglobulin, catalytic antibody, water oxidation, amino acid modification, 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	25.43 Å
Radius of gyration Rg (electron density) rg_electron	24.42 Å
Forward intensity I(0) i0	40005800.00
Molecular weight molecular_weight	48489.0 kDa
Excluded volume excluded_volume	60422 Å³
Envelope volume envelope_volume	73687 Å³
Hydration-shell volume shell_volume	25318 Å³
Envelope diameter envelope_diameter	82.6 Å
Shell Rg shell_rg	31.52 Å
Envelope Rg envelope_rg	24.19 Å
Shape Rg shape_rg	24.41 Å
Total Rg total_rg	25.27 Å
Total atoms total_atoms	3413
Residues n_residues	428
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	81.3 Å
Rg (real space) rg_real	25.41 Å
Rg uncertainty (real space) rg_real_error	0.55 Å
I(0) (real space) i0_real	4.0010e+07
I(0) uncertainty (real space) i0_real_error	5.1910e+05
Rg (reciprocal space) rg_reciprocal	25.42 Å
I(0) (reciprocal space) i0_reciprocal	40010000.0000
Solution quality estimate total_estimate	0.9065
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	27.5 Å
Skewness Skewness skewness	0.291
Kurtosis Kurtosis kurtosis	-0.502
Angular range angular_range	— – 0.3100 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	9140000.0000
Real-space data points n_real_points	63
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.935; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.985

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	immunoglobulin igg2a, light chain
Molecular weight formula_weight	24235.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L
Atom count atom_count	3840

DVVMTQSPKTISVTIGQPASISCKSSQRLLNSNGKTFLNWLLQRPGQSPKRLIYLGTKLDSGVPDRFTGSGSGTDFTLKISRVEAEDLGVYYCWQGTHFPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC

Entity 2 Entity 2 polymer

Description description	immunoglobulin igg2a, heavy chain
Molecular weight formula_weight	23832.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

RVQLQQSGPGLVKPSQSLSLTCTVTGYSITSDFAWNWIRQFPGNKLEWMGYINYSGFTSHNPSLKSRISITRDTSKNQFFLQLNSVTTEDTATYYCAGLLWYDGGAGSWGQGTLVTVSAAKTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPRGPT

Entity 3 Entity 3 non-polymer

Description description	ACETATE ION
Molecular weight formula_weight	59.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 non-polymer

Description description	BENZOIC ACID
Molecular weight formula_weight	122.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	427

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7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1ruah1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.1 — V set domains (antibody variable domain-like)

Domain ID domain_id	d1ruah2
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

Domain ID domain_id	d1rual1
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.1 — V set domains (antibody variable domain-like)

Domain ID domain_id	d1rual2
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.1 — Immunoglobulin
Family Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (4 domains)

Domain ID domain_id	1ruaH01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ruaH02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ruaL01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ruaL02
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 (2)

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Unit-cell length a length_a	64.091 Å
Unit-cell length b length_b	64.091 Å
Unit-cell length c length_c	266.333 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	8

Space group space_group	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	1.750 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	—
R_work r_work	0.1940
R_free r_free	0.2510

fit	/app/data/saxs_computation/ru/1rua/1rua.fit
pddf	/app/data/pr_computation/ru/1rua/1rua.pr.out
profile	/app/data/saxs_computation/ru/1rua/1rua.dat

Crystal structure (B) of u.v.-irradiated cationic cyclization antibody 4C6 fab at pH 4.6 with a data set collected at SSRL beamline 11-1.

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

immunoglobulin igg2a, light chain

State in the Current Structure

Other States of the Same Protein in the Database

immunoglobulin igg2a, heavy 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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

8. Citations (2)

9. Files and Curves (10)

Files (7)

Curves (3)