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- PDB-2w6w: Crystal structure of recombinant Sperm Whale Myoglobin under 1atm... -

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Basic information

Entry
Database: PDB / ID: 2w6w
TitleCrystal structure of recombinant Sperm Whale Myoglobin under 1atm of Xenon
ComponentsMYOGLOBIN
KeywordsOXYGEN STORAGE / HYDROPHOBIC CAVITIES / OXYGEN TRANSPORT / XENON DOCKING SITE / IRON / HEME / TRANSPORT / METAL-BINDING / MUSCLE 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 / removal of superoxide radicals / oxygen carrier activity / peroxidase activity / oxygen binding / heme binding / extracellular exosome / metal ion binding
Similarity search - Function
Myoglobin / Globins / Globin-like / Globin / Globin / Globin domain profile. / Globin-like superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
PROTOPORPHYRIN IX CONTAINING FE / XENON / Myoglobin
Similarity search - Component
Biological speciesPHYSETER CATODON (sperm whale)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.99 Å
AuthorsMiele, A.E. / Draghi, F. / Renzi, F. / Sciara, G. / Johnson, K.A. / Vallone, B. / Brunori, M. / Savino, C.
CitationJournal: Biopolymers / Year: 2009
Title: Pattern of Cavities in Globins: The Case of Human Hemoglobin.
Authors: Savino, C. / Miele, A.E. / Draghi, F. / Johnson, K.A. / Sciara, G. / Brunori, M. / Vallone, B.
History
DepositionDec 19, 2008Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 28, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Oct 26, 2011Group: Database references / Derived calculations ...Database references / Derived calculations / Non-polymer description / Other / Refinement description
Revision 1.3Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_special_symmetry / 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.status_code_sf / _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
Revision 1.4Sep 2, 2026Group: Derived calculations / Structure summary
Category: pdbx_entry_details / pdbx_modification_feature ...pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order
Description: Metalloprotein remediation / Provider: repository / Type: Remediation

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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)18,98411
Polymers17,3661
Non-polymers1,61810
Water2,810156
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)90.626, 90.626, 45.505
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number168
Space group name H-MP6
Components on special symmetry positions
IDModelComponents
11A-1162-

SO4

21A-1162-

SO4

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Components

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Protein , 1 types, 1 molecules A

#1: Protein MYOGLOBIN


Mass: 17366.148 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) PHYSETER CATODON (sperm whale) / Plasmid: PUC91 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): TB-1 / References: UniProt: P02185

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Non-polymers , 5 types, 166 molecules

#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Chemical
ChemComp-XE / XENON


Mass: 131.293 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Xe
#4: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#5: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 156 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.4 Å3/Da / Density % sol: 55 % / Description: NONE
Crystal growpH: 8.5 / Details: 2.6M (NH4)2SO4, 0.1M TRIS/HCL, PH8.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418
DetectorType: RIGAKU-MSC / Detector: IMAGE PLATE / Date: Apr 20, 2000 / Details: OSMIC MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.98→19.68 Å / Num. obs: 15044 / % possible obs: 98.1 % / Observed criterion σ(I): 2 / Redundancy: 3.2 % / Biso Wilson estimate: 16.2 Å2 / Rmerge(I) obs: 0.05 / Net I/σ(I): 7
Reflection shellResolution: 1.98→2.01 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.12 / Mean I/σ(I) obs: 3.1 / % possible all: 97.3

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1NAZ

1naz


Resolution: 1.99→20 Å / Cor.coef. Fo:Fc: 0.932 / Cor.coef. Fo:Fc free: 0.926 / SU B: 2.872 / SU ML: 0.083 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.162 / ESU R Free: 0.135 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. DISORDERED REGIONS WERE MODELED STEREOCHEMICA
RfactorNum. reflection% reflectionSelection details
Rfree0.205 741 5 %RANDOM
Rwork0.188 ---
obs0.189 14020 99.6 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 11.53 Å2
Baniso -1Baniso -2Baniso -3
1-0.21 Å20.11 Å20 Å2
2--0.21 Å20 Å2
3----0.32 Å2
Refinement stepCycle: LAST / Resolution: 1.99→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1217 0 73 156 1446
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0221345
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg0.8752.0731828
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.1515162
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.44224.25954
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.32815250
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.4154
X-RAY DIFFRACTIONr_chiral_restr0.0610.2187
X-RAY DIFFRACTIONr_gen_planes_refined0.0020.02978
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1740.2673
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.290.2881
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.0830.2143
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1470.234
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.0790.219
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.2011.5773
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.43121237
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it0.7433598
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it1.2914.5586
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.99→2.04 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.239 59
Rwork0.216 947
Refinement TLS params.Method: refined / Origin x: 33.067 Å / Origin y: 12.047 Å / Origin z: 7.067 Å
111213212223313233
T-0.0181 Å2-0.0074 Å20.0147 Å2--0.0118 Å2-0.0036 Å2---0.0015 Å2
L0.218 °2-0.0308 °2-0.0982 °2-0.5404 °20.0726 °2--0.0507 °2
S0.0273 Å °0.0133 Å °-0.0328 Å °0.005 Å °0.0038 Å °0.0403 Å °-0.0062 Å °-0.0413 Å °-0.031 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A3 - 18
2X-RAY DIFFRACTION1A20 - 35
3X-RAY DIFFRACTION1A36 - 42
4X-RAY DIFFRACTION1A51 - 57
5X-RAY DIFFRACTION1A58 - 77
6X-RAY DIFFRACTION1A86 - 95
7X-RAY DIFFRACTION1A100 - 118
8X-RAY DIFFRACTION1A124 - 148

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