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- PDB-3vnx: Crystal structure of ferritin from multicellular green algae, Ulv... -

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Basic information

Entry
Database: PDB / ID: 3vnx
TitleCrystal structure of ferritin from multicellular green algae, Ulva pertusa.
Componentsferritin
KeywordsOXIDOREDUCTASE / 4-helix bundle / Iron storage
Function / homology
Function and homology information


ferroxidase / ferroxidase activity / intracellular sequestering of iron ion / ferric iron binding / ferrous iron binding / iron ion transport / cytoplasm
Similarity search - Function
Ferritin, core subunit, four-helix bundle / Ferritin / Ferritin / Ferritin-like diiron domain / Ferritin-like diiron domain profile. / Ferritin/DPS protein domain / Ferritin-like domain / Ferritin-like / Ferritin-like superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Biological speciesUlva pertusa (plant)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsMasuda, T. / Morimoto, S.I. / Mikami, B. / Toyohara, H.
CitationJournal: Protein Sci. / Year: 2012
Title: The extension peptide of plant ferritin from sea lettuce contributes to shell stability and surface hydrophobicity.
Authors: Masuda, T. / Morimoto, S.I. / Mikami, B. / Toyohara, H.
History
DepositionJan 18, 2012Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 28, 2012Provider: repository / Type: Initial release
Revision 1.1Jul 31, 2013Group: Database references
Revision 1.2Mar 20, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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_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: ferritin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)23,0385
Polymers22,8781
Non-polymers1604
Water1,27971
1
A: ferritin
hetero molecules
x 24


Theoretical massNumber of molelcules
Total (without water)552,910120
Polymers549,06324
Non-polymers3,84796
Water43224
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation3_555-x,y,-z1
crystal symmetry operation4_555x,-y,-z1
crystal symmetry operation5_555z,x,y1
crystal symmetry operation6_555z,-x,-y1
crystal symmetry operation7_555-z,-x,y1
crystal symmetry operation8_555-z,x,-y1
crystal symmetry operation9_555y,z,x1
crystal symmetry operation10_555-y,z,-x1
crystal symmetry operation11_555y,-z,-x1
crystal symmetry operation12_555-y,-z,x1
crystal symmetry operation13_555y,x,-z1
crystal symmetry operation14_555-y,-x,-z1
crystal symmetry operation15_555y,-x,z1
crystal symmetry operation16_555-y,x,z1
crystal symmetry operation17_555x,z,-y1
crystal symmetry operation18_555-x,z,y1
crystal symmetry operation19_555-x,-z,-y1
crystal symmetry operation20_555x,-z,y1
crystal symmetry operation21_555z,y,-x1
crystal symmetry operation22_555z,-y,x1
crystal symmetry operation23_555-z,y,x1
crystal symmetry operation24_555-z,-y,-x1
Buried area129240 Å2
ΔGint-1268 kcal/mol
Surface area146960 Å2
MethodPISA
Unit cell
Length a, b, c (Å)151.875, 151.875, 151.875
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number211
Space group name H-MI432
Components on special symmetry positions
IDModelComponents
11A-413-

HOH

21A-458-

HOH

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Components

#1: Protein ferritin


Mass: 22877.609 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Ulva pertusa (plant) / Plasmid: pET21d / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: H7CGH2*PLUS, ferroxidase
#2: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 71 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsA SEQUENCE DATABASE REFERENCE FOR THIS PROTEIN DOES NOT CURRENTLY EXIST.

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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: 3.19 Å3/Da / Density % sol: 61.44 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 9
Details: 21% PEG 400, 0.1M Bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL38B1 / Wavelength: 0.9 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 4, 2011
RadiationMonochromator: double crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 2.4→50 Å / Num. all: 22908 / Num. obs: 22816 / % possible obs: 99.6 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 9.6 % / Biso Wilson estimate: 42.64 Å2 / Rmerge(I) obs: 0.055 / Net I/σ(I): 24.3
Reflection shellResolution: 2.4→2.44 Å / Redundancy: 9.5 % / Rmerge(I) obs: 0.395 / Mean I/σ(I) obs: 9.21 / Num. unique all: 1122 / % possible all: 99.8

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Processing

Software
NameVersionClassification
HKL-2000data collection
MOLREPphasing
PHENIX(phenix.refine: 1.6_289)refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.4→35.797 Å / SU ML: 0.24 / σ(F): 0.12 / Phase error: 21.45 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2392 515 4.77 %
Rwork0.1874 --
obs0.1897 10787 89.72 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 46.2 Å2 / ksol: 0.327 e/Å3
Displacement parameters
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refine analyzeLuzzati coordinate error obs: 0.3336 Å
Refinement stepCycle: LAST / Resolution: 2.4→35.797 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1545 0 4 71 1620
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0081634
X-RAY DIFFRACTIONf_angle_d0.9982221
X-RAY DIFFRACTIONf_dihedral_angle_d19.059612
X-RAY DIFFRACTIONf_chiral_restr0.067241
X-RAY DIFFRACTIONf_plane_restr0.004297
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 4

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
2.4002-2.64160.32291220.2309222080
2.6416-3.02370.27141300.2114242987
3.0237-3.80890.28611290.1987267393
3.8089-35.80120.1861340.1648295098

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