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- PDB-5xhm: Crystal structure of Frog M-ferritin D40A mutant -

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Basic information

Entry
Database: PDB / ID: 5xhm
TitleCrystal structure of Frog M-ferritin D40A mutant
ComponentsFerritin, middle subunit
KeywordsOXIDOREDUCTASE / Ferritin / M-ferritin
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 iron-binding regions signature 1. / Ferritin iron-binding regions signature 2. / Ferritin, conserved site / 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 iron-binding regions signature 1. / Ferritin iron-binding regions signature 2. / Ferritin, conserved site / 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
Ferritin, middle subunit
Similarity search - Component
Biological speciesRana catesbeiana (American bullfrog)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsJagdev, M.K. / Vasudevan, D.
CitationJournal: Biochim. Biophys. Acta / Year: 2017
Title: Surface charge dependent separation of modified and hybrid ferritin in native PAGE: Impact of lysine 104
Authors: Subhadarshanee, B. / Mohanty, A. / Jagdev, M.K. / Vasudevan, D. / Behera, R.K.
History
DepositionApr 21, 2017Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Aug 9, 2017Provider: repository / Type: Initial release
Revision 1.1Nov 22, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn
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_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_symmetry

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Ferritin, middle subunit
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,88819
Polymers20,3611
Non-polymers52718
Water4,756264
1
A: Ferritin, middle subunit
hetero molecules
x 24


Theoretical massNumber of molelcules
Total (without water)501,302456
Polymers488,66224
Non-polymers12,640432
Water43224
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_545-x,-y-1,z1
crystal symmetry operation3_555-x,y,-z1
crystal symmetry operation4_545x,-y-1,-z1
crystal symmetry operation21_555z,y,-x1
crystal symmetry operation22_545z,-y-1,x1
crystal symmetry operation23_555-z,y,x1
crystal symmetry operation24_545-z,-y-1,-x1
crystal symmetry operation29_545z,x-1/2,y+1/21
crystal symmetry operation30_544z,-x-1/2,-y-1/21
crystal symmetry operation31_545-z,-x-1/2,y+1/21
crystal symmetry operation32_544-z,x-1/2,-y-1/21
crystal symmetry operation41_544x,z-1/2,-y-1/21
crystal symmetry operation42_545-x,z-1/2,y+1/21
crystal symmetry operation43_544-x,-z-1/2,-y-1/21
crystal symmetry operation44_545x,-z-1/2,y+1/21
crystal symmetry operation81_545y+1/2,z-1/2,x1
crystal symmetry operation82_445-y-1/2,z-1/2,-x1
crystal symmetry operation83_545y+1/2,-z-1/2,-x1
crystal symmetry operation84_445-y-1/2,-z-1/2,x1
crystal symmetry operation85_545y+1/2,x-1/2,-z1
crystal symmetry operation86_445-y-1/2,-x-1/2,-z1
crystal symmetry operation87_545y+1/2,-x-1/2,z1
crystal symmetry operation88_445-y-1/2,x-1/2,z1
Buried area96140 Å2
ΔGint-258 kcal/mol
Surface area134900 Å2
MethodPISA
Unit cell
Length a, b, c (Å)184.170, 184.170, 184.170
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number209
Space group name H-MF432
Components on special symmetry positions
IDModelComponents
11A-204-

MG

21A-205-

MG

31A-206-

MG

41A-208-

MG

51A-209-

MG

61A-210-

MG

71A-218-

CL

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Components

#1: Protein Ferritin, middle subunit / Ferritin M / Ferritin H' / Ferritin X


Mass: 20360.896 Da / Num. of mol.: 1 / Mutation: D40A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rana catesbeiana (American bullfrog) / Production host: Escherichia coli BL21(DE3)pLysS (bacteria) / Strain (production host): BL21(DE3)pLysS / References: UniProt: P07798, ferroxidase
#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: Mg
#3: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 264 / 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: 3.32 Å3/Da / Density % sol: 63.02 % / Description: Cubic
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 9 / Details: 2.0 M MgCl2 and 100 mM Bicine (pH 9.0)

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Data collection

DiffractionMean temperature: 103 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Jan 11, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.7→23.98 Å / Num. obs: 29984 / % possible obs: 100 % / Redundancy: 13 % / Net I/σ(I): 30.7
Reflection shellResolution: 1.7→1.73 Å / Redundancy: 11.7 % / Mean I/σ(I) obs: 6.3 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.8.0158refinement
iMOSFLMdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3KA3

3ka3


Resolution: 1.7→23.98 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.947 / SU B: 1.227 / SU ML: 0.042 / Cross valid method: THROUGHOUT / ESU R: 0.078 / ESU R Free: 0.081 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.18735 1461 4.9 %RANDOM
Rwork0.15631 ---
obs0.15779 28484 99.89 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 16.428 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.7→23.98 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1430 0 18 264 1712
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.0191548
X-RAY DIFFRACTIONr_bond_other_d0.0010.021430
X-RAY DIFFRACTIONr_angle_refined_deg1.1051.9482051
X-RAY DIFFRACTIONr_angle_other_deg0.68733269
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.2715192
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.3124.76284
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.79215293
X-RAY DIFFRACTIONr_dihedral_angle_4_deg15.018159
X-RAY DIFFRACTIONr_chiral_restr0.0670.2216
X-RAY DIFFRACTIONr_gen_planes_refined0.0170.021705
X-RAY DIFFRACTIONr_gen_planes_other0.0020.02312
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_it1.3181.315715
X-RAY DIFFRACTIONr_mcbond_other1.3091.31714
X-RAY DIFFRACTIONr_mcangle_it1.8421.96897
X-RAY DIFFRACTIONr_mcangle_other1.8431.964898
X-RAY DIFFRACTIONr_scbond_it3.5781.7826
X-RAY DIFFRACTIONr_scbond_other3.5761.7827
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other4.8182.3811145
X-RAY DIFFRACTIONr_long_range_B_refined6.1718.0461909
X-RAY DIFFRACTIONr_long_range_B_other6.02117.721888
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.7→1.744 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.272 121 -
Rwork0.239 2025 -
obs--100 %

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