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- PDB-1azi: MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE COMPLEXED WITH AZIDE -

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Basic information

Entry
Database: PDB / ID: 1azi
TitleMYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE COMPLEXED WITH AZIDE
ComponentsMYOGLOBIN
KeywordsOXYGEN TRANSPORT / RESPIRATORY PROTEIN
Function / homology
Function and homology information


nitrite reductase activity / Oxidoreductases; Acting on other nitrogenous compounds as donors / sarcoplasm / Oxidoreductases; Acting on a peroxide as acceptor; Peroxidases / oxygen transport / removal of superoxide radicals / peroxidase activity / oxygen carrier activity / oxygen binding / heme binding / metal ion binding
Similarity search - Function
Myoglobin / Globins / Globin family profile. / Globin-like / Globin / Globin / Globin-like superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
AZIDE ION / PROTOPORPHYRIN IX CONTAINING FE / Myoglobin
Similarity search - Component
Biological speciesEquus caballus (horse)
MethodX-RAY DIFFRACTION / Resolution: 2 Å
AuthorsMaurus, R. / Brayer, G.D.
Citation
Journal: Biochem.J. / Year: 1998
Title: Structural and spectroscopic studies of azide complexes of horse heart myoglobin and the His-64-->Thr variant.
Authors: Maurus, R. / Bogumil, R. / Nguyen, N.T. / Mauk, A.G. / Brayer, G.
#1: Journal: Biochim.Biophys.Acta / Year: 1997
Title: A Myoglobin Variant with a Polar Substitution in a Conserved Hydrophobic Cluster in the Heme Binding Pocket
Authors: Maurus, R. / Overall, C.M. / Bogumil, R. / Luo, Y. / Mauk, A.G. / Smith, M. / Brayer, G.D.
#2: Journal: J.Biol.Chem. / Year: 1994
Title: Structural Characterization of Heme Ligation in the His64-->Tyr Variant of Myoglobin
Authors: Maurus, R. / Bogumil, R. / Luo, Y. / Tang, H.L. / Smith, M. / Mauk, A.G. / Brayer, G.D.
#3: Journal: Biochemistry / Year: 1994
Title: Ftir Analysis of the Interaction of Azide with Horse Heart Myoglobin Variants
Authors: Bogumil, R. / Hunter, C.L. / Maurus, R. / Tang, H.L. / Lee, H. / Lloyd, E. / Brayer, G.D. / Smith, M. / Mauk, A.G.
#4: Journal: Proc.Natl.Acad.Sci.USA / Year: 1994
Title: Three-Dimensional Structure of Cyanomet-Sulfmyoglobin C
Authors: Evans, S.V. / Sishta, B.P. / Mauk, A.G. / Brayer, G.D.
#5: Journal: Protein Eng. / Year: 1991
Title: Expression in Escherichia Coli of a Synthetic Gene Coding for Horse Heart Myoglobin
Authors: Guillemette, J.G. / Matsushima-Hibiya, Y. / Atkinson, T. / Smith, M.
#6: Journal: J.Mol.Biol. / Year: 1990
Title: High-Resolution Study of the Three-Dimensional Structure of Horse Heart Metmyoglobin
Authors: Evans, S.V. / Brayer, G.D.
#7: Journal: J.Biol.Chem. / Year: 1988
Title: Horse Heart Metmyoglobin. A 2.8-A Resolution Three-Dimensional Structure Determination
Authors: Evans, S.V. / Brayer, G.D.
#8: Journal: J.Mol.Biol. / Year: 1987
Title: Crystallization and Preliminary Diffraction Data for Horse Heart Metmyoglobin
Authors: Sherwood, C. / Mauk, A.G. / Brayer, G.D.
History
DepositionOct 11, 1997Processing site: BNL
Revision 1.0Feb 25, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 7, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: MYOGLOBIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)17,7384
Polymers16,9841
Non-polymers7553
Water97354
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)64.285, 28.909, 35.874
Angle α, β, γ (deg.)90.00, 107.16, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein MYOGLOBIN /


Mass: 16983.514 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Equus caballus (horse) / Organ: HEART / Production host: Escherichia coli (E. coli) / References: UniProt: P68082
#2: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#3: Chemical ChemComp-AZI / AZIDE ION / Azide


Mass: 42.020 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: N3
#4: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME / Heme B


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 54 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 1.87 Å3/Da / Density % sol: 34.4 %
Crystal grow
*PLUS
Temperature: 25 ℃ / pH: 7.5 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
115 mg/mlprotein1drop
260 %satammonium sulfate1drop
320 mMTris-HCl1drop
45 mM1dropNaN3
51 mMEDTA1drop
665 %satammonium sulfate1reservoir
720 mMTris-HCl1reservoir
81 mMEDTA1reservoir

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Data collection

Diffraction sourceWavelength: 1.5418
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Oct 23, 1993
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionNum. obs: 5531 / % possible obs: 71.8 % / Observed criterion σ(I): 2 / Rmerge(I) obs: 0.102
Reflection
*PLUS
Num. measured all: 14776

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Processing

Software
NameClassification
PROLSQrefinement
OSCILLdata reduction
RefinementResolution: 2→6 Å / σ(F): 0 /
RfactorNum. reflection
Rwork0.17 -
all-5260
obs-5260
Displacement parametersBiso mean: 21.4 Å2
Refine analyzeLuzzati coordinate error obs: 0.18 Å
Refinement stepCycle: LAST / Resolution: 2→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1242 0 51 59 1352
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.0180.02
X-RAY DIFFRACTIONp_angle_d0.040.03
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d0.0560.05
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it1.5321.5
X-RAY DIFFRACTIONp_mcangle_it2.342.5
X-RAY DIFFRACTIONp_scbond_it2.2272
X-RAY DIFFRACTIONp_scangle_it3.3273
X-RAY DIFFRACTIONp_plane_restr0.0140.02
X-RAY DIFFRACTIONp_chiral_restr0.0560.06
X-RAY DIFFRACTIONp_singtor_nbd0.1890.2
X-RAY DIFFRACTIONp_multtor_nbd0.170.2
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd0.1790.2
X-RAY DIFFRACTIONp_planar_tor1.62.5
X-RAY DIFFRACTIONp_staggered_tor22.520
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor39.215
X-RAY DIFFRACTIONp_special_tor
Software
*PLUS
Name: PROLSQ / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.173
Solvent computation
*PLUS
Displacement parameters
*PLUS

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