SAXSdb — 2h64

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

Bone morphogenetic protein 2

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	Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric（6） Consistent with protein copy count	Chain A； UniProt 283–396	Mutation：L100K, N102D	Bone morphogenetic protein receptor type IA × 2 （P36894） Acvr2b protein × 2 （Q3KQI1）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.75；294 K；30% PEG3350, 0.1M Tris-HCl pH 8.75, 0.2M NH4CH3COO, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 1.92 Å R-free 0.264

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 2H64	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1ES7 COMPLEX BETWEEN BMP-2 AND TWO BMP RECEPTOR IA ECTODOMAINS Deposited 2000-04-07	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Chain C 283–396（114 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；296 K；sodium acetate, imidazole, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 296K	Resolution 2.90 Å R-free 0.229
1REU Structure of the bone morphogenetic protein 2 mutant L51P Deposited 2003-11-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 294–396（103 aa） Fragment：mature part	Mutation：L51P	MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；298 K；lithium sulfate, tert-butanol, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.65 Å R-free 0.235
1REU Structure of the bone morphogenetic protein 2 mutant L51P Deposited 2003-11-07	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric	Chain A 294–396（103 aa） Fragment：mature part	Mutation：L51P	MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 12	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；298 K；lithium sulfate, tert-butanol, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.65 Å R-free 0.235
1REW Structural refinement of the complex of bone morphogenetic protein 2 and its type IA receptor Deposited 2003-11-07	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Fragment：mature part Chain B 283–396（114 aa） Fragment：mature part	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；280 K；sodium acetate, imidazole, glucose, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 280K	Resolution 1.86 Å R-free 0.229
2GOO Ternary Complex of BMP-2 bound to BMPR-Ia-ECD and ActRII-ECD Deposited 2006-04-13	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 283–396（114 aa） Fragment：Residues 283-396 Chain D 283–396（114 aa） Fragment：Residues 283-396	Not recorded	NDG 2-acetamido-2-deoxy-alpha-D-glucopyranose × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；4M sodium formate, 100mM Hepes, 3% dioxane, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.20 Å R-free 0.259
2H62 Crystal structure of a ternary ligand-receptor complex of BMP-2 Deposited 2006-05-30	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Chain B 283–396（114 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.75；294 K；50% PPG400, 0.1M Bis-Tris, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 1.85 Å R-free 0.225
2QJ9 Crystal structure analysis of BMP-2 in complex with BMPR-IA variant B1 Deposited 2007-07-06	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Fragment：mature part (residues 283-396) Chain B 283–396（114 aa） Fragment：mature part (residues 283-396)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；298 K；0.8M K Na phosphate, 25% ethylene glycol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.44 Å R-free 0.253
2QJA Crystal structure analysis of BMP-2 in complex with BMPR-IA variant B12 Deposited 2007-07-06	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Fragment：mature part (residues 283-396) Chain B 283–396（114 aa） Fragment：mature part (residues 283-396)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；298 K；0.8M K Na phosphate, 25% ethylene glycol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.60 Å R-free 0.254
2QJB Crystal structure analysis of BMP-2 in complex with BMPR-IA variant IA/IB Deposited 2007-07-06	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 A 283–396（114 aa） Fragment：mature part (residues 283-396) Chain B 283–396（114 aa） Fragment：mature part (residues 283-396)	Not recorded	CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；298 K；0.8M K Na phosphate, 25% ethylene glycol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.50 Å R-free 0.263
3BK3 Crystal structure of the complex of BMP-2 and the first Von Willebrand domain type C of Crossveinless-2 Deposited 2007-12-05	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Chain B 283–396（114 aa）	Mutation：F41M, Y91M Mutation：F41M, Y91M	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；2.2M ammonium phosphate, 0.1M Tris pH 7.5, 8% glycerol, 5% sucrose, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.245
3BK3 Crystal structure of the complex of BMP-2 and the first Von Willebrand domain type C of Crossveinless-2 Deposited 2007-12-05	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 283–396（114 aa） Chain B 283–396（114 aa）	Mutation：F41M, Y91M Mutation：F41M, Y91M	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；2.2M ammonium phosphate, 0.1M Tris pH 7.5, 8% glycerol, 5% sucrose, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.245
3BK3 Crystal structure of the complex of BMP-2 and the first Von Willebrand domain type C of Crossveinless-2 Deposited 2007-12-05	Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 283–396（114 aa）	Mutation：F41M, Y91M	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；2.2M ammonium phosphate, 0.1M Tris pH 7.5, 8% glycerol, 5% sucrose, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.245
3BK3 Crystal structure of the complex of BMP-2 and the first Von Willebrand domain type C of Crossveinless-2 Deposited 2007-12-05	Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 283–396（114 aa）	Mutation：F41M, Y91M	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；2.2M ammonium phosphate, 0.1M Tris pH 7.5, 8% glycerol, 5% sucrose, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.245
3BMP HUMAN BONE MORPHOGENETIC PROTEIN-2 (BMP-2) Deposited 1999-03-12	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 283–396（114 aa）	Not recorded	MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 5.4；CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 100 MM LITHIUM SULFATE, 12% TERT-BUTANOL, 50 MM CITRATE, PH 5.4	Resolution 2.70 Å R-free 0.278
4N1D Nodal/BMP2 chimera NB250 Deposited 2013-10-04	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 283–305（23 aa） Chain A 362–396（35 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；288 K；0.2M NaCl, 0.1 M Na acetate pH 4.6, 30% 2-Methyl-2,4-pentanediol, VAPOR DIFFUSION, HANGING DROP, temperature 288K	Resolution 1.91 Å R-free 0.204
4UHY Crystal structure of the human RGMA-BMP2 complex Deposited 2015-03-27	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396 Chain B 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 4；0.1 M CITRIC ACID, PH 4.0, 20% (V/V) 2-METHYL-2,4-PENTANEDIOL (MPD), 0.2 M GLYCINE	Resolution 3.20 Å R-free 0.264
4UHZ Crystal structure of the human RGMB-BMP2 complex, crystal form 1 Deposited 2015-03-27	Different construct Different mutation/modification 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 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396	Not recorded	SO4 SULFATE ION × 8	X-RAY DIFFRACTION X-ray crystallization conditions 2 M AMMONIUM SULPHATE, 8% (V/V) 2,5- HEXANEDIOL	Resolution 2.85 Å R-free 0.229
4UI0 Crystal structure of the human RGMB-BMP2 complex, crystal form 2 Deposited 2015-03-27	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 A 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396 Chain B 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396	Not recorded	MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 FLC CITRATE ANION × 1 CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 4；0.08 M CITRIC ACID PH 4.0, 15% (V/V) MPD	Resolution 2.80 Å R-free 0.267
4UI1 Crystal structure of the human RGMC-BMP2 complex Deposited 2015-03-27	Different construct Different mutation/modification 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 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396	Not recorded	NO3 NITRATE ION × 2 CL CHLORIDE ION × 2 EDO 1,2-ETHANEDIOL × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；20% (W/V) PEG3350, 0.2 M AMMONIUM NITRATE, PH 7.5	Resolution 2.35 Å R-free 0.238
4UI1 Crystal structure of the human RGMC-BMP2 complex Deposited 2015-03-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN, RESIDUES 283-396	Not recorded	NO3 NITRATE ION × 4 EDO 1,2-ETHANEDIOL × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；20% (W/V) PEG3350, 0.2 M AMMONIUM NITRATE, PH 7.5	Resolution 2.35 Å R-free 0.238
4UI2 Crystal structure of the ternary RGMB-BMP2-NEO1 complex Deposited 2015-03-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 8 PDB declaration: octameric	Chain B 283–396（114 aa） Fragment：C-TERMINAL DOMAIN SIGNALING DOMAIN	Not recorded	SRT S,R MESO-TARTARIC ACID × 6 ACT ACETATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 8.5；0.1 M TRIS-HCL PH 8.5, 1.5 M AMMONIUM SULPHATE, 12% (V/V) GLYCEROL	Resolution 3.15 Å R-free 0.236
6OMN Glycosylated BMP2 homodimer Deposited 2019-04-19	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric	Chain E 289–396（108 aa） Chain F 289–396（108 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；100mM TrisHCl pH 8.5, 100mM NaCl, 12% MPD	Resolution 2.68 Å R-free 0.243
6OMN Glycosylated BMP2 homodimer Deposited 2019-04-19	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric	Chain G 289–396（108 aa） Chain H 289–396（108 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；100mM TrisHCl pH 8.5, 100mM NaCl, 12% MPD	Resolution 2.68 Å R-free 0.243
7AG0 Complex between the bone morphogenetic protein 2 and its antagonist Noggin Deposited 2020-09-21	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 283–396（114 aa）	Not recorded	GOL GLYCEROL × 8	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；293 K；1.4 M NaKPO4	Resolution 3.10 Å R-free 0.280
8E3G BMP2/GDF5 heterodimer Deposited 2022-08-17	Different mutation/modification 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 283–396（114 aa）	Not recorded	GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；Tris, magnesium formate	Resolution 2.80 Å R-free 0.234
8E3G BMP2/GDF5 heterodimer Deposited 2022-08-17	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 283–396（114 aa）	Not recorded	GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；Tris, magnesium formate	Resolution 2.80 Å R-free 0.234

19 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BMP2_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–114； UniProt 283–396

Bone morphogenetic protein receptor type IA

Homo sapiens

UniProt P36894

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 × 6 PDB declaration: hexameric（6） Consistent with protein copy count	Chain B； UniProt 24–152	Fragment：extracellular domain	Bone morphogenetic protein 2 × 2 （P12643） Acvr2b protein × 2 （Q3KQI1）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.75；294 K；30% PEG3350, 0.1M Tris-HCl pH 8.75, 0.2M NH4CH3COO, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 1.92 Å R-free 0.264

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 2H64	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1ES7 COMPLEX BETWEEN BMP-2 AND TWO BMP RECEPTOR IA ECTODOMAINS Deposited 2000-04-07	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 55–143（89 aa） Fragment：EXTRACELLULAR DOMAIN Chain D 55–143（89 aa） Fragment：EXTRACELLULAR DOMAIN	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；296 K；sodium acetate, imidazole, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 296K	Resolution 2.90 Å R-free 0.229
1REW Structural refinement of the complex of bone morphogenetic protein 2 and its type IA receptor Deposited 2003-11-07	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–152（129 aa） Fragment：extracellular domain Chain D 24–152（129 aa） Fragment：extracellular domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；280 K；sodium acetate, imidazole, glucose, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 280K	Resolution 1.86 Å R-free 0.229
2GOO Ternary Complex of BMP-2 bound to BMPR-Ia-ECD and ActRII-ECD Deposited 2006-04-13	Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 24–152（129 aa） Fragment：Residues 24-152 Chain E 24–152（129 aa） Fragment：Residues 24-152	Not recorded	NDG 2-acetamido-2-deoxy-alpha-D-glucopyranose × 4	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；4M sodium formate, 100mM Hepes, 3% dioxane, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K	Resolution 2.20 Å R-free 0.259
2H62 Crystal structure of a ternary ligand-receptor complex of BMP-2 Deposited 2006-05-30	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–152（129 aa） Fragment：extracellular domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.75；294 K；50% PPG400, 0.1M Bis-Tris, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 1.85 Å R-free 0.225
2K3G NMR structure analysis of a BMP receptor Deposited 2008-05-07	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 51–152（102 aa） Fragment：Extracellular domain (UNP residues 51-152)	Mutation：A28G	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.3；298 K；Pressure ambient NMR sample composition 1.1 mM [U-99% 15N] Bone Morphogenetic Protein Receptor Type IA, 10 mM potassium phosphate, 0.2 w/v sodium azide, 95% H2O/5% D2O \| 95% H2O/5% D2O NMR sample composition 0.5 mM [U-94% 13C; U-98% 15N] Bone Morphogenetic Protein Receptor Type IA, 10 mM potassium phosphate, 0.2 w/v sodium azide, 95% H2O/5% D2O \| 95% H2O/5% D2O	Resolution not provided
2QJ9 Crystal structure analysis of BMP-2 in complex with BMPR-IA variant B1 Deposited 2007-07-06	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–152（129 aa） Fragment：extracellular domain (residues 24-152) Chain D 24–152（129 aa） Fragment：extracellular domain (residues 24-152)	Mutation：K88R,S90T,K92I,A93P,Q94H,L95Q,T98S Mutation：K88R,S90T,K92I,A93P,Q94H,L95Q,T98S	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；298 K；0.8M K Na phosphate, 25% ethylene glycol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.44 Å R-free 0.253
2QJA Crystal structure analysis of BMP-2 in complex with BMPR-IA variant B12 Deposited 2007-07-06	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 24–152（129 aa） Fragment：extracellular domain (residues 24-152) Chain D 24–152（129 aa） Fragment：extracellular domain (residues 24-152)	Mutation：K88R,S90T,K92I,A93P,Q94H,L95Q,T98S,A74T,M78L,K79G,Y80L Mutation：K88R,S90T,K92I,A93P,Q94H,L95Q,T98S,A74T,M78L,K79G,Y80L	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；298 K；0.8M K Na phosphate, 25% ethylene glycol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.60 Å R-free 0.254
2QJB Crystal structure analysis of BMP-2 in complex with BMPR-IA variant IA/IB Deposited 2007-07-06	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 C 24–152（129 aa） Fragment：extracellular domain (residues 24-152) Chain D 24–152（129 aa） Fragment：extracellular domain (residues 24-152)	Mutation：K88R,S90T,K92I,A93P,Q94H,L95Q,T98S,A74T,M78L,K79G,Y80L,D46E,G42H,A61T,I62M Mutation：K88R,S90T,K92I,A93P,Q94H,L95Q,T98S,A74T,M78L,K79G,Y80L,D46E,G42H,A61T,I62M	CL CHLORIDE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；298 K；0.8M K Na phosphate, 25% ethylene glycol, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 2.50 Å R-free 0.263
3NH7 Crystal structure of the neutralizing Fab fragment AbD1556 bound to the BMP type I receptor IA Deposited 2010-06-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 24–152（129 aa） Fragment：extracellular domain, UNP residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；294 K；100mM Tris-HCl pH 7.0, 20% (w/v) PEG 8000 and 10% (w/v) glucose , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.280
3NH7 Crystal structure of the neutralizing Fab fragment AbD1556 bound to the BMP type I receptor IA Deposited 2010-06-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 24–152（129 aa） Fragment：extracellular domain, UNP residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；294 K；100mM Tris-HCl pH 7.0, 20% (w/v) PEG 8000 and 10% (w/v) glucose , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.280
3NH7 Crystal structure of the neutralizing Fab fragment AbD1556 bound to the BMP type I receptor IA Deposited 2010-06-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 24–152（129 aa） Fragment：extracellular domain, UNP residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；294 K；100mM Tris-HCl pH 7.0, 20% (w/v) PEG 8000 and 10% (w/v) glucose , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.280
3NH7 Crystal structure of the neutralizing Fab fragment AbD1556 bound to the BMP type I receptor IA Deposited 2010-06-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 24–152（129 aa） Fragment：extracellular domain, UNP residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；294 K；100mM Tris-HCl pH 7.0, 20% (w/v) PEG 8000 and 10% (w/v) glucose , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.70 Å R-free 0.280
3QB4 Crystal structure of a TGF-beta ligand-receptor complex Deposited 2011-01-12	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 24–152（129 aa） Fragment：BMP receptor BMPR-IA, residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；0.1M Hepes pH 7.5, 0.2M NaCl 20% (w/v) PEG3350 , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.28 Å R-free 0.241
3QB4 Crystal structure of a TGF-beta ligand-receptor complex Deposited 2011-01-12	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 24–152（129 aa） Fragment：BMP receptor BMPR-IA, residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；0.1M Hepes pH 7.5, 0.2M NaCl 20% (w/v) PEG3350 , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.28 Å R-free 0.241
3QB4 Crystal structure of a TGF-beta ligand-receptor complex Deposited 2011-01-12	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 24–152（129 aa） Fragment：BMP receptor BMPR-IA, residues 24-152 Chain D 24–152（129 aa） Fragment：BMP receptor BMPR-IA, residues 24-152	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；294 K；0.1M Hepes pH 7.5, 0.2M NaCl 20% (w/v) PEG3350 , VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 2.28 Å R-free 0.241

10 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BMR1A_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–129； UniProt 24–152

Acvr2b protein

Mus musculus

UniProt Q3KQI1

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 × 6 PDB declaration: hexameric（6） Consistent with protein copy count	Chain C； UniProt 19–117	Fragment：extracellular domain	Bone morphogenetic protein 2 × 2 （P12643） Bone morphogenetic protein receptor type IA × 2 （P36894）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 8.75；294 K；30% PEG3350, 0.1M Tris-HCl pH 8.75, 0.2M NH4CH3COO, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 1.92 Å R-free 0.264

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 2H64	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2H62 Crystal structure of a ternary ligand-receptor complex of BMP-2 Deposited 2006-05-30	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain D 19–116（98 aa） Fragment：extracellular domain	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.75；294 K；50% PPG400, 0.1M Bis-Tris, pH 5.75, VAPOR DIFFUSION, HANGING DROP, temperature 294K	Resolution 1.85 Å R-free 0.225

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	Q3KQI1_MOUSE
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–99； UniProt 19–117

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	2h64
Deposition date deposition_date	2006-05-30
Structure title title	Crystal structure of a ternary ligand-receptor complex of BMP-2
Keywords keywords	TGF-beta superfamily, ligand-receptor complex, Hormone-Growth Factor COMPLEX; Hormone/Growth Factor
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	23.58 Å
Radius of gyration Rg (electron density) rg_electron	22.89 Å
Forward intensity I(0) i0	21424500.00
Molecular weight molecular_weight	32903.0 kDa
Excluded volume excluded_volume	40191 Å³
Envelope volume envelope_volume	54748 Å³
Hydration-shell volume shell_volume	20757 Å³
Envelope diameter envelope_diameter	76.9 Å
Shell Rg shell_rg	28.71 Å
Envelope Rg envelope_rg	22.81 Å
Shape Rg shape_rg	22.88 Å
Total Rg total_rg	23.68 Å
Total atoms total_atoms	2295
Residues n_residues	291
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	74.2 Å
Rg (real space) rg_real	23.50 Å
Rg uncertainty (real space) rg_real_error	0.55 Å
I(0) (real space) i0_real	2.1420e+07
I(0) uncertainty (real space) i0_real_error	3.0420e+05
Rg (reciprocal space) rg_reciprocal	23.52 Å
I(0) (reciprocal space) i0_reciprocal	21420000.0000
Solution quality estimate total_estimate	0.9127
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	31.3 Å
Skewness Skewness skewness	0.120
Kurtosis Kurtosis kurtosis	-0.575
Angular range angular_range	— – 0.3350 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	1558000.0000
Real-space data points n_real_points	65
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.958; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.992

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Bone morphogenetic protein 2
Molecular weight formula_weight	12940.9 kDa
Mutation mutation	L100K, N102D
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2504

QAKHKQRKRLKSSCKRHPLYVDFSDVGWNDWIVAPPGYHAFYCHGECPFPLADHLNSTNHAIVQTLVNSVNSKIPKACCVPTELSAISMLYLDENEKVVKKDYQDMVVEGCGCR

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 polymer

Description description	Bone morphogenetic protein receptor type IA
Molecular weight formula_weight	14199.9 kDa
EC 编号 ec_number	2.7.11.30
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

QNLDSMLHGTGMKSDSDQKKSENGVTLAPEDTLPFLKCYCSGHCPDDAINNTCITNGHCFAIIEEDDQGETTLASGCMKYEGSDFQCKDSPKAQLRRTIECCRTNLCNQYLQPTLPPVVIGPFFDGSIR

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 3 Entity 3 polymer

Description description	Acvr2b protein
Molecular weight formula_weight	11648.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

SGRGEAETRECIYYNANWELERTNQSGLERCEGEQDKRLHCYASWRNSSGTIELVKKGCWLDDFNCYDRQECVATEENPQVYFCCCEGNFCNERFTHLP

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	house mouse
NCBI Class编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Escherichia coli

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	209

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7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d2h64a1
Class class	g — Small proteins
Fold Fold fold	g.17 — Cystine-knot cytokines
Superfamily Superfamily superfamily	g.17.1 — Cystine-knot cytokines
Family Family family	g.17.1.2 — Transforming growth factor (TGF)-beta

Domain ID domain_id	d2h64b_
Class class	g — Small proteins
Fold Fold fold	g.7 — Snake toxin-like
Superfamily Superfamily superfamily	g.7.1 — Snake toxin-like
Family Family family	g.7.1.3 — Extracellular domain of cell surface receptors

Domain ID domain_id	d2h64c_
Class class	g — Small proteins
Fold Fold fold	g.7 — Snake toxin-like
Superfamily Superfamily superfamily	g.7.1 — Snake toxin-like
Family Family family	g.7.1.3 — Extracellular domain of cell surface receptors

CATH v4.4 (3 domains)

Domain ID domain_id	2h64A00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily	10 — Cystine-knot cytokines

Domain ID domain_id	2h64B00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	60 — CD59
Homologous superfamily homologous superfamily	10 — CD59

Domain ID domain_id	2h64C00
Class class	2 — Mainly Beta
Architecture architecture	10 — Ribbon
Topology topology	60 — CD59
Homologous superfamily homologous superfamily	10 — CD59

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8. Citations (1)

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Unit-cell length a length_a	82.790 Å
Unit-cell length b length_b	82.790 Å
Unit-cell length c length_c	111.120 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	1.920 Å
Low-resolution limit resolution_low	500.000 Å
R factor r_factor	0.2320
R_work r_work	0.2280
R_free r_free	0.2640

fit	/app/data/saxs_computation/h6/2h64/2h64.fit
pddf	/app/data/pr_computation/h6/2h64/2h64.pr.out
profile	/app/data/saxs_computation/h6/2h64/2h64.dat

Crystal structure of a ternary ligand-receptor complex of BMP-2

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

Bone morphogenetic protein 2

State in the Current Structure

Other States of the Same Protein in the Database

Bone morphogenetic protein receptor type IA

State in the Current Structure

Other States of the Same Protein in the Database

Acvr2b protein

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 (4)

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 water

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)