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4ns2

Crystal structure of Horse heart ferric myoglobin; D44K/D60K/E85K mutant

Method: X-RAY DIFFRACTION Dmax: 51.9 Å Quality: REASONABLE
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Myoglobin

Equus caballus

UniProt P68082

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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count Chain A； UniProt 1–154 Mutation：D44K, D60K, E85K SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；3.3 M ammonium sulfate, 0.1 M Tris pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.18 Å R-free 0.194

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 4NS2 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1AZI MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE COMPLEXED WITH AZIDE Deposited 1997-10-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 AZI AZIDE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
1BJE H64T VARIANT OF MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE COMPLEXED WITH AZIDE Deposited 1997-10-18 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：H64T SO4 SULFATE ION × 1 AZI AZIDE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 Å
1DWR MYOGLOBIN (HORSE HEART) WILD-TYPE COMPLEXED WITH CO Deposited 1999-12-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 CMO CARBON MONOXIDE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；HHMB(SIGMA) WAS CRYSTALLIZED AT ROOM TEMPERATURE BY EQUILIBRATING 10 UL DROPS OF 5 MG/ML PROTEIN IN 1.7-1.8 M AMMONIUM SULFATE, 0.1 M TRIS HCL PH 7.5 USING THE HANGING DROP GEOMETRY
Resolution 1.45 Å R-free 0.255
1DWS PHOTOLYZED CARBONMONOXY MYOGLOBIN (HORSE HEART) Deposited 1999-12-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 CMO CARBON MONOXIDE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；HHMB(SIGMA) WAS CRYSTALLIZED AT ROOM TEMPERATURE BY EQUILIBRATING 10 UL DROPS OF 5 MG/ML PROTEIN IN 1.7-1.8 M AMMONIUM SULFATE, 0.1 M TRIS HCL PH 7.5 USING THE HANGING DROP GEOMETRY
Resolution 1.45 Å R-free 0.251
1DWT Photorelaxed horse heart MYOGLOBIN CO complex Deposited 1999-12-12 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 CMO CARBON MONOXIDE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；HHMB(SIGMA) WAS CRYSTALLIZED AT ROOM TEMPERATURE BY EQUILIBRATING 10 UL DROPS OF 5 MG/ML PROTEIN IN 1.7-1.8 M AMMONIUM SULFATE, 0.1 M TRIS HCL PH 7.5 USING THE HANGING DROP GEOMETRY
Resolution 1.40 Å R-free 0.243
1HRM THE PROXIMAL LIGAND VARIANT HIS93TYR OF HORSE HEART MYOGLOBIN Deposited 1994-09-21 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.70 Å
1HSY ORIGIN OF THE PH-DEPENDENT SPECTROSCOPIC PROPERTIES OF PENTACOORDINATE METMYOGLOBIN VARIANTS Deposited 1994-12-12 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å
1NPF MYOGLOBIN (HORSE HEART) WILD-TYPE COMPLEXED WITH NITRIC OXIDE Deposited 2003-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO NITRIC OXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；AMMONIUM SULFATE, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 100K
Resolution 1.90 Å R-free 0.247
1NPG MYOGLOBIN (HORSE HEART) WILD-TYPE COMPLEXED WITH NITROSOETHANE Deposited 2003-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NOE NITROSOETHANE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；AMMONIUM SULFATE, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 100K
Resolution 1.70 Å R-free 0.225
1NZ2 K45E Variant of Horse Heart Myoglobin Deposited 2003-02-15 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：K45E SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.3；298 K；Ammonium Sulfate, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.90 Å
1NZ3 K45E-K63E Variant of Horse Heart Myoglobin Deposited 2003-02-15 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：K45E, K63E HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.3；298 K；ammonium sulfate, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.60 Å
1NZ4 The horse heart myoglobin variant K45E/K63E complexed with Cadmium Deposited 2003-02-15 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：K45E, K63E CD CADMIUM ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.3；298 K；ammonium sulfate, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.80 Å
1NZ5 The Horse heart myoglobin variant K45E/K63E complexed with Manganese Deposited 2003-02-15 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：K45E, K63E MN MANGANESE (II) ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.70 Å
1RSE MYOGLOBIN (HORSE HEART) MUTANT WITH SER 92 REPLACED BY ASP (S92D) Deposited 1996-06-20 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：S92D SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.70 Å
1WLA MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE Deposited 1997-09-24 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.70 Å
1XCH MYOGLOBIN (HORSE HEART) MUTANT WITH LEU 104 REPLACED BY ASN (L104N) Deposited 1997-06-06 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Mutation：L104N SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；20 MM TRIS/HCL, 1MM EDTA, PH 8.4, 8 MG/ML PROTEIN 69% AMMONIUM SULFATE
Resolution 1.70 Å
1YMA STRUCTURAL CHARACTERIZATION OF HEME LIGATION IN THE HIS64-->TYR VARIANT OF MYOGLOBIN Deposited 1993-09-27 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
1YMB HIGH RESOLUTION STUDY OF THE THREE-DIMENSIONAL STRUCTURE OF HORSE HEART METMYOGLOBIN Deposited 1993-09-27 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å
1YMC THREE-DIMENSIONAL STRUCTURE OF CYANOMET-SULFMYOGLOBIN C Deposited 1993-09-27 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 CYN CYANIDE ION × 1 CLN SULFUR SUBSTITUTED PROTOPORPHYRIN IX × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
2FRF Horse Heart Myoglobin, Nitrite Adduct, Crystal Soak Deposited 2006-01-19 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 NO2 NITRITE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；Ammonium Sulfate/Tris-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.20 Å R-free 0.211
2FRI Horse Heart Myoglobin, Nitrite Adduct, Co-crystallized Deposited 2006-01-19 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded NO2 NITRITE ION × 1 SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；Ammonium Sulfate, Tris-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.60 Å R-free 0.206
2FRJ Nitrosyl Horse Heart Myoglobin, Nitrite/Dithionite Method Deposited 2006-01-19 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO NITRIC OXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；Ammonium Sulfate, Tris-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.30 Å R-free 0.220
2FRK Nitrosyl Horse Heart Myoglobin, Nitric Oxide Gas Method Deposited 2006-01-19 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO NITRIC OXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；Ammonium Sulfate, Tris-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.30 Å R-free 0.205
2IN4 Crystal Structure of Myoglobin with Charge Neutralized Heme, ZnDMb-dme Deposited 2006-10-05 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 1 HE5 ZINC(II)-DEUTEROPORPHYRIN DIMETHYLESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；12-17 mg/ml protein solution, 3.3 M ammonium sulfate, 0.1 M sodium acetate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.15 Å R-free 0.232
2NSR Nitromethane Modified Horse Heart Myoglobin Deposited 2006-11-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NSM NITROSOMETHANE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；Ammonium Sulfate, Tris-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.90 Å R-free 0.231
2NSS Nitrobenzene Modified Horse Heart Myoglobin Deposited 2006-11-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NBE NITROSOBENZENE × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；Ammonium sulfate, Tris-HCL, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.00 Å R-free 0.266
2O58 Horse heart met manganese myoglobin Deposited 2006-12-05 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 MNR PROTOPORPHYRIN IX CONTAINING MN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.65 Å R-free 0.223
2O5B Manganese horse heart myoglobin, reduced Deposited 2006-12-05 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 3 MNH MANGANESE PROTOPORPHYRIN IX × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 2.00 Å R-free 0.239
2O5L Manganese horse heart myoglobin, methanol modified Deposited 2006-12-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 MNR PROTOPORPHYRIN IX CONTAINING MN × 1 MOH METHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.70 Å R-free 0.230
2O5M Manganese horse heart myoglobin, azide modified Deposited 2006-12-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded AZI AZIDE ION × 1 SO4 SULFATE ION × 2 MNR PROTOPORPHYRIN IX CONTAINING MN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.65 Å R-free 0.221
2O5O Manganese horse heart myoglobin, nitrite modified Deposited 2006-12-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 NO2 NITRITE ION × 1 MNR PROTOPORPHYRIN IX CONTAINING MN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.60 Å R-free 0.224
2O5Q Manganese horse heart myoglobin, nitric oxide modified Deposited 2006-12-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 MNH MANGANESE PROTOPORPHYRIN IX × 1 NO NITRIC OXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.90 Å R-free 0.235
2O5S Cobalt horse heart myoglobin, nitrite modified Deposited 2006-12-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 NO2 NITRITE ION × 1 COH PROTOPORPHYRIN IX CONTAINING CO × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.60 Å R-free 0.215
2O5T Cobalt horse heart myoglobin, oxidized Deposited 2006-12-06 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain X 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 COH PROTOPORPHYRIN IX CONTAINING CO × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；296 K；Ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.60 Å R-free 0.248
2V1E Crystal structure of radiation-induced myoglobin compound II - intermediate H at pH 6.8 Deposited 2007-05-23 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 OH HYDROXIDE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS AND 5-10% OF GLYCEROL), pH 6.80
Resolution 1.30 Å R-free 0.176
2V1F Crystal structure of radiation-induced myoglobin compound II - intermediate H at pH 8.7 Deposited 2007-05-24 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 OH HYDROXIDE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.7；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M TAPS AND 5-10% OF GLYCEROL PH 8.7)
Resolution 1.20 Å R-free 0.163
2V1G Crystal structure of radiation-induced myoglobin compound II - intermediate H at pH 5.2 Deposited 2007-05-24 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 OH HYDROXIDE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.2；6-10 MG/ML PROTEIN, 3.0 M AMMONIUM SULPHATE, 10.8% GLYCEROL PH 5.2, RT.
Resolution 1.35 Å R-free 0.174
2V1H Crystal structure of radiation-induced metmyoglobin - aqua ferrous myoglobin at pH 5.2 Deposited 2007-05-24 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.2；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 5-10% OF GLYCEROL PH 5.2)
Resolution 1.30 Å R-free 0.165
2V1I Crystal structure of radiation-induced metmyoglobin - aqua ferrous myoglobin at pH 6.8 Deposited 2007-05-24 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS AND 5-10% OF GLYCEROL PH 6.8)
Resolution 1.20 Å R-free 0.168
2V1J Crystal structure of radiation-induced metmyoglobin - aqua ferrous myoglobin at pH 8.7 Deposited 2007-05-24 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.7；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M TAPS AND 5-10% OF GLYCEROL PH 8.7)
Resolution 1.40 Å R-free 0.166
2V1K Crystal structure of ferrous deoxymyoglobin at pH 6.8 Deposited 2007-05-24 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS AND 5-10% OF GLYCEROL PH 6.8)
Resolution 1.25 Å R-free 0.164
2VLX Crystal structure of peroxymyoglobin generated by cryoradiolytic reduction of myoglobin compound III Deposited 2008-01-20 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa） Fragment：RESIDUES 2-154
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 PER PEROXIDE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 2 PEO HYDROGEN PEROXIDE × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS, 5-10% OF GLYCEROL PH 6.8)
Resolution 1.30 Å R-free 0.175
2VLY Crystal structure of myoglobin compound III (radiation-induced) Deposited 2008-01-20 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa） Fragment：RESIDUES 2-154
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 OXY OXYGEN MOLECULE × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 2 PEO HYDROGEN PEROXIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；CRYSTALLIZATION CONDITIONS: BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS, 5-10% OF GLYCEROL PH 6.8)
Resolution 1.60 Å R-free 0.209
2VLZ Crystal structure of peroxymyoglobin generated by cryoradiolytic reduction of myoglobin compound III Deposited 2008-01-20 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa） Fragment：RESIDUES 2-154
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 PER PEROXIDE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 PEO HYDROGEN PEROXIDE × 5 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS, 5-10% OF GLYCEROL PH 5.2)
Resolution 1.50 Å R-free 0.190
2VM0 Crystal structure of radiation-induced myoglobin compound II generated after annealing of peroxymyoglobin Deposited 2008-01-20 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa） Fragment：RESIDUES 2-154
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 OH HYDROXIDE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 PEO HYDROGEN PEROXIDE × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；BATCH METHOD: 6-12 MG/ML MYOGLOBIN, 80-85% OF THE CRYSTALLIZATION STOCK-SOLUTION (3.9 M AMMONIUM SULPHATE, 0.1 M MOPS, 5-10% OF GLYCEROL PH 6.8)
Resolution 1.60 Å R-free 0.190
3BA2 Cyanide bound Chlorin substituted Myoglobin Deposited 2007-11-07 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded SO4 SULFATE ION × 3 CYN CYANIDE ION × 1 HKL Fe(III) pyropheophorbide-a methyl ester × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；3.1M ammonium sulfate, 100mM Tris HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.80 Å R-free 0.231
3HC9 Ferric Horse Heart Myoglobin; H64V mutant Deposited 2009-05-05 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：H64V HEM PROTOPORPHYRIN IX CONTAINING FE × 1 PO4 PHOSPHATE ION × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；295 K；ammonium phosphate, EDTA, horse heart myoglobin H64V mutant, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.00 Å R-free 0.237
3HEN Ferric Horse Heart Myoglobin; H64V/V67R Mutant Deposited 2009-05-09 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：H64V, V67R HEM PROTOPORPHYRIN IX CONTAINING FE × 1 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；295 K；ammonium phosphate, EDTA, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.90 Å R-free 0.233
3HEO Ferric Horse Heart Myoglobin; H64V/V67R mutant, Nitrite Modified Deposited 2009-05-09 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：H64V, V67R HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO2 NITRITE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；295 K；ammonium phosphate, EDTA, crystal soaking with sodium nitrite, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.00 Å R-free 0.258
3HEP Ferric Horse Heart Myoglobin; H64V Mutant, Nitrite Modified Deposited 2009-05-09 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：H64V HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO2 NITRITE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；295 K；ammonium phosphate, EDTA, crystal soaking with sodium nitrite, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.95 Å R-free 0.250
3LR7 Ferric horse heart myoglobin, nitrite adduct Deposited 2010-02-10 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO2 NITRITE ION × 3 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions seeding；pH 7.4；295 K；2.76M ammonium sulfate, 100 mM TrisHCl, 1 mM EDTA, pH 7.4, seeding, temperature 295K
Resolution 1.60 Å R-free 0.247
3LR9 X-ray photogenerated ferrous horse heart myoglobin, nitrite adduct Deposited 2010-02-10 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 NO2 NITRITE ION × 4 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions seeding；pH 7.4；295 K；2.74 M ammonium sulfate, 100 mM TrisHCl, 1 mM EDTA, pH 7.4, seeding, temperature 295K
Resolution 1.55 Å R-free 0.212
3RJ6 Crystal Structure of Horse heart ferric myoglobin; K45E/K63E/K96E mutant Deposited 2011-04-15 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：K45E, K63E, K96E HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.3；293 K；3.3 M ammonium sulfate, 0.02 M tris, 0.001 M EDTA, , pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.23 Å R-free 0.197
3RJ6 Crystal Structure of Horse heart ferric myoglobin; K45E/K63E/K96E mutant Deposited 2011-04-15 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 2–154（153 aa）
Mutation：K45E, K63E, K96E HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.3；293 K；3.3 M ammonium sulfate, 0.02 M tris, 0.001 M EDTA, , pH 8.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.23 Å R-free 0.197
3RJN Horse heart myoglobin: D44K/D60K mutant with zinc (II) -deuteroporphyrin dimethyl ester Deposited 2011-04-15 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain B 2–154（153 aa）
Mutation：D44K, D60K SO4 SULFATE ION × 2 HE5 ZINC(II)-DEUTEROPORPHYRIN DIMETHYLESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；3.3 M ammonium sulfate, 0.1 M TRIS, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.90 Å R-free 0.228
3V2V Nitrite Bound Chlorin Substituted Myoglobin- Method 1 Deposited 2011-12-12 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HKL Fe(III) pyropheophorbide-a methyl ester × 1 NO2 NITRITE ION × 3 SO4 SULFATE ION × 2 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；ammonium sulfate, 100mM TrisHCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.65 Å R-free 0.218
3V2Z Nitrite Bound Chlorin Substituted Myoglobin- Method 2 Deposited 2011-12-12 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HKL Fe(III) pyropheophorbide-a methyl ester × 1 NO2 NITRITE ION × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；ammonium sulfate, 100mM TrisHCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.65 Å R-free 0.232
3VAU Myoglobin nitrite structure: nitriheme modified Deposited 2011-12-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded NTE [3,3'-{7-ethenyl-3,8,13,17-tetramethyl-12-[(E)-2-nitroethenyl]porphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~}dipro panoato(2-)]iron × 1 NO2 NITRITE ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；ammonium sulfate, 100mM TrisHCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.70 Å R-free 0.237
3VM9 Dimeric horse myoglobin Deposited 2011-12-09 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 2–154（153 aa）
Chain B 2–154（153 aa）
Not recorded O OXYGEN ATOM × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；10% PEG 6000, 200mM CH3COONa, 0.1M Tris-HCl buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.05 Å R-free 0.168
3WFT Crystal structure of horse heart myoglobin reconstituted with cobalt(II) tetradehydrocorrin Deposited 2013-07-23 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded J1R (1R,19R) cobalt tetradehydrocorrin × 1 J1S (1S,19S) cobalt tetradehydrocorrin × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；298 K；0.1M Tris-HCl, 3.4M ammonium sulfate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.30 Å R-free 0.183
3WFU Crystal structure of horse heart myoglobin reconstituted with cobalt(I) tetradehydrocorrin Deposited 2013-07-23 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded J1R (1R,19R) cobalt tetradehydrocorrin × 1 J1S (1S,19S) cobalt tetradehydrocorrin × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；298 K；0.1M Tris-HCl, 3.4M ammonium sulfate, 10% treharose, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.35 Å R-free 0.197
3WI8 Crystal structure of horse heart myoglobin reconstituted with manganese porphycene Deposited 2013-09-09 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded HNN PORPHYCENE CONTAINING MN × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；3.2M ammonium sulfate, 0.1M imidazole, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.20 Å R-free 0.253
3WYO Heterodimeric myoglobin formed by domain swapping Deposited 2014-09-04 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：H64V/V68H/E85K/D141K Mutation：K78E/K79D HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；25% (w/v) PEG 1000, 100mM MES-NaOH buffer, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.00 Å R-free 0.266
3WYO Heterodimeric myoglobin formed by domain swapping Deposited 2014-09-04 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric
Chain C 2–154（153 aa）
Chain D 2–154（153 aa）
Mutation：H64V/V68H/E85K/D141K Mutation：K78E/K79D HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；25% (w/v) PEG 1000, 100mM MES-NaOH buffer, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.00 Å R-free 0.266
4DC7 Crystal Structure of Myoglobin Exposed to Excessive SONICC Imaging Laser Dose. Deposited 2012-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；Protein Solution (20 mg/ml myoglobin, 60% saturated ammonium sulfate, 20 mM Tris, pH 7.5, 5 mM sodium azide, 1 mM EDTA); Well Solution (65% saturated ammonium sulfate, 20 mM Tris, pH 7.5, 1 mM EDTA); Cryoprotectant (68% ammonium sulfate, 20 mM Tris, pH 7.5, 5 mM EDTA, 20% glycerol), VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.50 Å R-free 0.212
4DC8 Crystal Structure of Myoglobin Unexposed to Excessive SONICC Imaging Laser Dose. Deposited 2012-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；Protein Solution (20 mg/ml myoglobin, 60% saturated ammonium sulfate, 20 mM Tris, pH 7.5, 5 mM sodium azide, 1 mM EDTA); Well Solution (65% saturated ammonium sulfate, 20 mM Tris, pH 7.5, 1 mM EDTA); Cryoprotectant (68% ammonium sulfate, 20 mM Tris, pH 7.5, 5 mM EDTA, 20% glycerol), VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.50 Å R-free 0.218
4TWU Horse heart myoglobin mutant (D44K/D60K/E85K) with Zn-deuteroporphyrin IX Deposited 2014-07-02 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Mutation：D44K, D60K, E85K ZND Zinc (II) Deuteroporphyrin IX × 1 SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；0.1 M Tris/HCl, 3.2 M ammonium sulfate
Resolution 1.08 Å R-free 0.185
4TWV Horse heart myoglobin mutant (K45E/K63E/K96E) with Zn-deuteroporphyrin IX Deposited 2014-07-02 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Mutation：K45E, K63E, K96E ZND Zinc (II) Deuteroporphyrin IX × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；0.1 M Tris/HCl, 2.8 M ammonium sulfate
Resolution 1.06 Å R-free 0.165
5AZQ Crystal structure of cyano-cobalt(III) tetradehydrocorrin in the heme pocket of horse heart myoglobin Deposited 2015-10-21 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded J1R (1R,19R) cobalt tetradehydrocorrin × 1 J1S (1S,19S) cobalt tetradehydrocorrin × 1 CYN CYANIDE ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；298 K；ammonium sulfate, Tris-HCl, trehalose
Resolution 1.40 Å R-free 0.189
5AZR Crystal structure of aqua-cobalt(III) tetradehydrocorrin in the heme pocket of horse heart myoglobin Deposited 2015-10-21 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded J1R (1R,19R) cobalt tetradehydrocorrin × 1 J1S (1S,19S) cobalt tetradehydrocorrin × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；298 K；ammonium sulfate, Tris-HCl, trehalose
Resolution 1.20 Å R-free 0.168
5CMV Ultrafast dynamics in myoglobin: dark-state, CO-ligated structure Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.204
5CN4 Ultrafast dynamics in myoglobin: -0.1 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.231
5CN5 Ultrafast dynamics in myoglobin: 0 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.231
5CN6 Ultrafast dynamics in myoglobin: 0.1 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.238
5CN7 Ultrafast dynamics in myoglobin: 0.2 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.224
5CN8 Ultrafast dynamics in myoglobin: 0.3 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.215
5CN9 Ultrafast dynamics in myoglobin: 0.4 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.220
5CNB Ultrafast dynamics in myoglobin: 0.5 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.218
5CNC Ultrafast dynamics in myoglobin: 0.6 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.220
5CND Ultrafast dynamics in myoglobin: 3 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.213
5CNE Ultrafast dynamics in myoglobin: 10 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.215
5CNF Ultrafast dynamics in myoglobin: 50 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.218
5CNG ultrafast dynamics in myoglobin: 150 ps time delay Deposited 2015-07-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.80 Å R-free 0.228
5D5R Horse-heart myoglobin - deoxy state Deposited 2015-08-11 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；3.5 M ammonium sulphate, 0.1 M Tris-HCl pH 7.4
Resolution 1.60 Å R-free 0.205
5YL3 Crystal structure of horse heart myoglobin reconstituted with manganese porphycene in resting state at pH 8.5 Deposited 2017-10-17 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Not recorded HNN PORPHYCENE CONTAINING MN × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；Hanging drop containing 1.5 M ammonium sulfate, 5 mg/mL of protein, 50 mM Tris-HCl and 5 mM potassium phosphate at pH 8.5 was equilibrated with the reserver solution containing 3.0 M ammonium sulfate and 100 mM Tris-HCl buffer at pH 8.5
Resolution 1.50 Å R-free 0.208
5Z7E Horse Heart Myoglobin Mutant - H93M Deposited 2018-01-28 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：H93M NO2 NITRITE ION × 1 SO4 SULFATE ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；2.5-3.0M ammonium sulfate, 0.1M Tris
Resolution 1.80 Å R-free 0.197
5Z7F Horse Heart Myoglobin Mutant -V68A/I107Y-Sulfide Derivative Deposited 2018-01-28 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：V68A,I107Y HEM PROTOPORPHYRIN IX CONTAINING FE × 1 H2S HYDROSULFURIC ACID × 1 NO2 NITRITE ION × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；2.5-3.0M ammonium sulfate, 0.1M Tris
Resolution 1.90 Å R-free 0.227
5ZZE Crystal structure of horse myoglobin crystallized by ammonium sulfate Deposited 2018-06-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa） Fragment：UNP residues 2-153
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；3.2M ammonium sulfate
Resolution 1.42 Å R-free 0.248
6LS8 The monomeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 15% (w/v) PEG 6000
Resolution 2.30 Å R-free 0.274
6LS8 The monomeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain C 2–154（153 aa）
Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 15% (w/v) PEG 6000
Resolution 2.30 Å R-free 0.274
6LS8 The monomeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain E 2–154（153 aa）
Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 15% (w/v) PEG 6000
Resolution 2.30 Å R-free 0.274
6LS8 The monomeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain G 2–154（153 aa）
Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 15% (w/v) PEG 6000
Resolution 2.30 Å R-free 0.274
6LS8 The monomeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 5 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain I 2–154（153 aa）
Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 15% (w/v) PEG 6000
Resolution 2.30 Å R-free 0.274
6LS8 The monomeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-17 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 6 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain K 2–154（153 aa）
Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 15% (w/v) PEG 6000
Resolution 2.30 Å R-free 0.274
6LTL The dimeric structure of G80A myoglobin Deposited 2020-01-22 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：G80A Mutation：G80A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 0.1M sodium acetate, 10% (w/v) PEG 6000
Resolution 1.25 Å R-free 0.245
6LTM The dimeric structure of G80A/H81A/H82A myoglobin Deposited 2020-01-22 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：G80A/H81A/H82A Mutation：G80A/H81A/H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1M Tris-HCl buffer, 0.1M sodium acetate, 12.5% (w/v) PEG 6000
Resolution 1.65 Å R-free 0.231
7DGJ The dimeric structure of K78H/G80A/H82A myoglobin Deposited 2020-11-12 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：K78H, G80A, H82A Mutation：K78H, G80A, H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 25% (w/v) PEG 6,000
Resolution 1.60 Å R-free 0.245
7DGK The Co-bound dimeric structure of K78H/G80A/H82A myoglobin Deposited 2020-11-12 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：K78H, G80A, H82A Mutation：K78H, G80A, H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 CO COBALT (II) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 25% (w/v) PEG 6,000
Resolution 1.75 Å R-free 0.251
7DGL The Ni-bound dimeric structure of K78H/G80A/H82A myoglobin Deposited 2020-11-12 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：K78H, G80A, H82A Mutation：K78H, G80A, H82A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 NI NICKEL (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 25% (w/v) PEG 6,000
Resolution 1.91 Å R-free 0.262
7DGM The dimeric structure of K79H/G80A/H81A myoglobin Deposited 2020-11-12 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：K79H, G80A, H81A Mutation：K79H, G80A, H81A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 25% (w/v) PEG 6,000
Resolution 1.62 Å R-free 0.223
7DGN The Co-bound dimeric structure of K79H/G80A/H81A myoglobin Deposited 2020-11-12 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：K79H, G80A, H81A Mutation：K79H, G80A, H81A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 CO COBALT (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 25% (w/v) PEG 6,000
Resolution 2.35 Å R-free 0.269
7DGO The Zn-bound dimeric structure of K79H/G80A/H81A myoglobin Deposited 2020-11-12 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：K79H, G80A, H81A Mutation：K79H, G80A, H81A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 ZN ZINC ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 25% (w/v) PEG 6,000
Resolution 2.00 Å R-free 0.265
7V5P The dimeric structure of G80A/H81A myoglobin Deposited 2021-08-17 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：G80A, H81A Mutation：G80A, H81A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 O OXYGEN ATOM × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 10% (w/v) PEG 6,000
Resolution 1.16 Å R-free 0.206
7V5Q The dimeric structure of G80A/H81A/L137E myoglobin Deposited 2021-08-17 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：G80A, H81A, L137E Mutation：G80A, H81A, L137E HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 10% (w/v) PEG 6,000, and 5 % (w/v) PEG 8,000
Resolution 1.38 Å R-free 0.205
7V5R The dimeric structure of G80A/H81A/L137D myoglobin Deposited 2021-08-17 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 2–154（153 aa）
Chain B 2–154（153 aa）
Mutation：G80A, H81A, L137D Mutation：G80A, H81A, L137D HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277 K；0.1 M Sodium acetate, 0.1 M Tris-HCl, 10 % (w/v) PEG 6000, and 5 % (w/v) PEG 200
Resolution 1.39 Å R-free 0.234
8BKH Carboxymyoglobin dark state for comparison with power titration and 23 / 101 mJ/cm2 time series Deposited 2022-11-09 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.35 Å R-free 0.227
8BKN Carboxymyoglobin dark state for comparison with 5 mJ/cm2 time series Deposited 2022-11-09 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.29 Å R-free 0.210
8R8F Ensemble-refined carboxymyoglobin photolysis power titration, 6 mJ/cm2 Deposited 2023-11-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.217
8R8G Ensemble-refined carboxymyoglobin photolysis power titration, 18 mJ/cm2 Deposited 2023-11-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.215
8R8H Ensemble-refined carboxymyoglobin photolysis power titration, 31 mJ/cm2 Deposited 2023-11-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.213
8R8I Ensemble-refined carboxymyoglobin photolysis power titration, 56 mJ/cm2 Deposited 2023-11-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.230
8R8J Ensemble-refined carboxymyoglobin photolysis power titration, 101 mJ/cm2 Deposited 2023-11-29 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.217
8R8W Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 254 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.207
8R8X Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 327 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.218
8R8Y Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 402 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.205
8R8Z Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 471 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.217
8R90 Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 604 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.206
8R91 Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 627 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.225
8R92 Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 702 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.205
8R93 Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 847 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.200
8R94 Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 1001 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.208
8R95 Multicopy-refined carboxymyoglobin photolysis time series at 5 mJ/cm2 laser fluence, 1401 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.207
8R9C Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 320 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；ammonium sulfate
Resolution 1.40 Å R-free 0.220
8R9D Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 399 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.218
8R9E Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 469 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.220
8R9F Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 537 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.220
8R9G Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 600 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.222
8R9H Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 661 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.222
8R9I Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 733 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.225
8R9J Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 822 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.226
8R9K Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 922 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.224
8R9L Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 1036 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.222
8R9M Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 1143 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.224
8R9N Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 1224 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.225
8R9P Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 1297 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.227
8R9Q Multicopy-refined carboxymyoglobin photolysis time series at 23 mJ/cm2 laser fluence, 1373 fs time delay Deposited 2023-11-30 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.224
8RA1 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 312 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.222
8RA2 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 392 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.221
8RA3 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 462 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.217
8RA4 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 527 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.218
8RA5 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 590 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.219
8RA6 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 655 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.218
8RA7 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 722 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.223
8RA8 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 802 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.225
8RA9 Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 907 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.217
8RAA Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 1023 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.215
8RAB Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 1112 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.216
8RAC Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 1174 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.219
8RAD Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 1235 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.220
8RAE Multicopy-refined carboxymyoglobin photolysis time series at 101 mJ/cm2 laser fluence, 1303 fs time delay Deposited 2023-12-01 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–153（152 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 SO4 SULFATE ION × 2 CMO CARBON MONOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；293 K；3.1 M ammonium sulfate
Resolution 1.40 Å R-free 0.225
8WF5 Horse heart myoglobin reconstituted with an iron complex of porphyrin bearing two CF3 groups (rMb(FePor(CF3)2)) Deposited 2023-09-19 Different construct Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–154（153 aa）
Not recorded WC5 PROTOPORPHYRIN(CF3)2 CONTAINING FE × 1 SO4 SULFATE ION × 3 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；2.8 M ammonium sulfate, 100 mM Tis-HCl buffer (pH 7.0)
Resolution 1.72 Å R-free 0.215
9T6V Low-dose (32.5 kGy) structure of horse-heart myoglobin at room temperature Deposited 2025-11-07 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；3.5 M ammonium sulphate, 0.1 M Tris-HCl pH 7.4
Resolution 1.24 Å R-free 0.166
9T6W Higher-dose (260.0 kGy) structure of horse-heart myoglobin at room temperature Deposited 2025-11-07 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.4；293 K；3.5 M ammonium sulphate, 0.1 M Tris-HCl pH 7.4
Resolution 1.71 Å R-free 0.196
9T6X Higher-dose (676.8 kGy) structure of horse-heart myoglobin at cryogenic temperature Deposited 2025-11-07 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 MLA MALONIC ACID × 3 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；3.5 M ammonium sulphate, 0.1 M Tris-HCl pH 7.4
Resolution 1.10 Å R-free 0.201
9T6Y Low-dose (14.4 kGy) structure of horse-heart myoglobin at cryogenic temperature Deposited 2025-11-07 Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 1–154（154 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 MLI MALONATE ION × 2 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；293 K；3.5 M ammonium sulphate, 0.1 M Tris-HCl pH 7.4
Resolution 1.03 Å R-free 0.214
9X07 Serial Femtosecond Crystallography Structure of Myoglobin from equine skeletal muscle Deposited 2025-09-30 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–152（151 aa）
Not recorded SO4 SULFATE ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions SMALL TUBES；298 K；ammonium sulfate
Resolution 2.30 Å R-free 0.317

149 other PDB entries and 156 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MYG_HORSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–154； UniProt 1–154

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

SAXS profile for 4ns2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4ns2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4ns2
Deposition date deposition_date2013-11-27
Structure title titleCrystal structure of Horse heart ferric myoglobin; D44K/D60K/E85K mutant
Keywords keywordsOxygen transport; OXYGEN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier16.46 Å
Radius of gyration Rg (electron density) rg_electron15.00 Å
Forward intensity I(0) i05524430.00
Molecular weight molecular_weight17695.0 kDa
Excluded volume excluded_volume22474 ų
Envelope volume envelope_volume24469 ų
Hydration-shell volume shell_volume13804 ų
Envelope diameter envelope_diameter53.7 Å
Shell Rg shell_rg20.79 Å
Envelope Rg envelope_rg15.25 Å
Shape Rg shape_rg14.97 Å
Total Rg total_rg16.21 Å
Total atoms total_atoms1249
Residues n_residues153
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax51.9 Å
Rg (real space) rg_real16.34 Å
Rg uncertainty (real space) rg_real_error0.34 Å
I(0) (real space) i0_real5.5240e+06
I(0) uncertainty (real space) i0_real_error6.4410e+04
Rg (reciprocal space) rg_reciprocal16.36 Å
I(0) (reciprocal space) i0_reciprocal5524000.0000
Solution quality estimate total_estimate0.6529
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary21.3 Å
Skewness Skewness skewness0.095
Kurtosis Kurtosis kurtosis-0.465
Angular range angular_range— – 0.4850 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha844800.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.879; Stabil: 0.998; Sysdev: 0.287; Positv: 1.000; Valcen: 0.991; Smooth: 0.000
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

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7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4ns2a_
Class classa — All alpha proteins
Fold Fold folda.1 — Globin-like
Superfamily Superfamily superfamilya.1.1 — Globin-like
Family Family familya.1.1.2 — Globins

CATH v4.4 (1 domains)

Domain ID domain_id4ns2A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology490 — Globin-like
Homologous superfamily homologous superfamily10 — Globins
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8. Citations (1)

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9. Files and Curves (10)