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- PDB-5zm9: Crystal structure of hexacoordinated heme protein from anhydrobio... -

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Basic information

Entry
Database: PDB / ID: 5zm9
TitleCrystal structure of hexacoordinated heme protein from anhydrobiotic tardigrade at pH 7
ComponentsGlobin Protein
KeywordsOXYGEN TRANSPORT / Globin / Tardigrade
Function / homology
Function and homology information


oxygen carrier activity / oxygen binding / response to hypoxia / heme binding / metal ion binding
Similarity search - Function
: / Globin/Protoglobin / Globin domain profile. / Globin / Globin / Globin-like superfamily
Similarity search - Domain/homology
PROTOPORPHYRIN IX CONTAINING FE / Globin domain-containing protein
Similarity search - Component
Biological speciesRamazzottius varieornatus (invertebrata)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsKim, J. / Fukuda, Y. / Inoue, T.
Funding support Japan, 1items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science Japan
CitationJournal: FEBS J. / Year: 2019
Title: Crystal structure of Kumaglobin: a hexacoordinated heme protein from an anhydrobiotic tardigrade, Ramazzottius varieornatus.
Authors: Kim, J. / Fukuda, Y. / Inoue, T.
History
DepositionApr 2, 2018Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 2, 2019Provider: repository / Type: Initial release
Revision 1.1Apr 24, 2019Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year
Revision 1.2Mar 27, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
D: Globin Protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,9213
Polymers20,2691
Non-polymers6522
Water59433
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1110 Å2
ΔGint-24 kcal/mol
Surface area8210 Å2
Unit cell
Length a, b, c (Å)36.312, 56.627, 66.362
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Globin Protein


Mass: 20268.951 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Ramazzottius varieornatus (invertebrata)
Gene: RvY_09119-1, RvY_09119.1, RvY_09119 / Plasmid: pET28a / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: A0A1D1V896
#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-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 33 / Source method: isolated from a natural source / Formula: H2O

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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: 1.68 Å3/Da / Density % sol: 26.92 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7 / Details: PEG 400, sodium chloride, HEPES

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.54 Å
DetectorType: RIGAKU RAXIS VII / Detector: IMAGE PLATE / Date: Feb 21, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 2.7→20 Å / Num. obs: 4057 / % possible obs: 100 % / Redundancy: 6.8 % / Rmerge(I) obs: 0.163 / Net I/σ(I): 13
Reflection shellResolution: 2.7→2.75 Å / Rmerge(I) obs: 0.619 / CC1/2: 0.89

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Processing

Software
NameVersionClassification
REFMAC5.8.0135refinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.7→18.89 Å / Cor.coef. Fo:Fc: 0.925 / Cor.coef. Fo:Fc free: 0.918 / Cross valid method: THROUGHOUT / ESU R Free: 0.436 / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.26679 192 4.8 %RANDOM
Rwork0.21749 ---
obs0.21969 3840 99.65 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 40.136 Å2
Baniso -1Baniso -2Baniso -3
1-0.06 Å20 Å20 Å2
2--0.04 Å2-0 Å2
3----0.09 Å2
Refinement stepCycle: 1 / Resolution: 2.7→18.89 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1282 0 44 33 1359
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0191362
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.1752.0051851
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.5295153
X-RAY DIFFRACTIONr_dihedral_angle_2_deg45.84823.88167
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.34615245
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.7571510
X-RAY DIFFRACTIONr_chiral_restr0.0730.2191
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.0211041
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.2514.041615
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.4716.06767
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it0.1534.017747
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined1.68133.7862138
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: 2.702→2.77 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.273 14 -
Rwork0.314 271 -
obs--100 %

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