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- PDB-6h6u: Unitary crystal structure of the positively supercharged variant ... -

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Basic information

Entry
Database: PDB / ID: 6h6u
TitleUnitary crystal structure of the positively supercharged variant Ftn(pos) from human heavy chain ferritin (PEG 400 condition)
ComponentsFerritin heavy chain
KeywordsOXIDOREDUCTASE / PROTEIN DESIGN / PROTEIN ENGINEERING / CHARGED PROTEIN CONTAINERS / BINARY PROTEIN STRUCTURES / SELF-ASSEMBLY / BINARY NANOPARTICLE SUPERLATTICES
Function / homology
Function and homology information


iron ion sequestering activity / : / autolysosome / Scavenging by Class A Receptors / Golgi Associated Vesicle Biogenesis / ferroxidase / intracellular sequestering of iron ion / ferroxidase activity / negative regulation of fibroblast proliferation / ferric iron binding ...iron ion sequestering activity / : / autolysosome / Scavenging by Class A Receptors / Golgi Associated Vesicle Biogenesis / ferroxidase / intracellular sequestering of iron ion / ferroxidase activity / negative regulation of fibroblast proliferation / ferric iron binding / ferrous iron binding / Iron uptake and transport / tertiary granule lumen / iron ion transport / intracellular iron ion homeostasis / ficolin-1-rich granule lumen / immune response / iron ion binding / negative regulation of cell population proliferation / Neutrophil degranulation / extracellular exosome / extracellular region / identical protein binding / nucleus / cytosol / 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 heavy chain
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsKuenzle, M. / Lach, M. / Beck, T.
Funding support Germany, 1items
OrganizationGrant numberCountry
German Research Foundation Germany
CitationJournal: To Be Published
Title: Self-assembly of protein crystals into different crystal structures using charged patches on oppositely charged ferritin protein containers
Authors: Kuenzle, M. / Lach, M. / Beck, T.
History
DepositionJul 30, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 14, 2019Provider: repository / Type: Initial release
Revision 1.1Jan 17, 2024Group: 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.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _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_asym_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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ferritin heavy chain
B: Ferritin heavy chain
C: Ferritin heavy chain
D: Ferritin heavy chain
E: Ferritin heavy chain
F: Ferritin heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)130,08626
Polymers128,9956
Non-polymers1,09020
Water1,60389
1
A: Ferritin heavy chain
B: Ferritin heavy chain
C: Ferritin heavy chain
D: Ferritin heavy chain
E: Ferritin heavy chain
F: Ferritin heavy chain
hetero molecules

A: Ferritin heavy chain
B: Ferritin heavy chain
C: Ferritin heavy chain
D: Ferritin heavy chain
E: Ferritin heavy chain
F: Ferritin heavy chain
hetero molecules

A: Ferritin heavy chain
B: Ferritin heavy chain
C: Ferritin heavy chain
D: Ferritin heavy chain
E: Ferritin heavy chain
F: Ferritin heavy chain
hetero molecules

A: Ferritin heavy chain
B: Ferritin heavy chain
C: Ferritin heavy chain
D: Ferritin heavy chain
E: Ferritin heavy chain
F: Ferritin heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)520,342104
Polymers515,98224
Non-polymers4,36080
Water43224
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation3_555-y,x,z1
crystal symmetry operation4_555y,-x,z1
Buried area100640 Å2
ΔGint-1020 kcal/mol
Surface area143060 Å2
MethodPISA
Unit cell
Length a, b, c (Å)124.682, 124.682, 188.674
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number79
Space group name H-MI4
Components on special symmetry positions
IDModelComponents
11C-308-

HOH

21F-313-

HOH

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Components

#1: Protein
Ferritin heavy chain / / Ferritin H subunit / Cell proliferation-inducing gene 15 protein


Mass: 21499.246 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: FTH1, FTH, FTHL6, OK/SW-cl.84, PIG15 / Production host: Escherichia coli (E. coli) / References: UniProt: P02794, ferroxidase
#2: Chemical
ChemComp-FE / FE (III) ION / Iron


Mass: 55.845 Da / Num. of mol.: 15 / Source method: obtained synthetically / Formula: Fe
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical
ChemComp-CA / CALCIUM ION


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


Mass: 18.015 Da / Num. of mol.: 89 / 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: 2.84 Å3/Da / Density % sol: 56.72 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.5 / Details: 0.22 M CaCl2, 0.1 M HEPES pH 7.5 M, 30% PEG 400

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X06SA / Wavelength: 1 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Aug 26, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2→47.17 Å / Num. obs: 95827 / % possible obs: 99.2 % / Redundancy: 4.53 % / Rmerge(I) obs: 0.0688 / Rrim(I) all: 0.078 / Net I/σ(I): 12.18
Reflection shellResolution: 2→2.1 Å

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Processing

Software
NameVersionClassification
REFMACrefinement
PDB_EXTRACT3.24data extraction
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2CEI

2cei


Resolution: 2→47.17 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.931 / SU B: 10.324 / SU ML: 0.253 / SU R Cruickshank DPI: 0.1918 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.192 / ESU R Free: 0.195
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.3084 4869 5.1 %RANDOM
Rwork0.2384 ---
obs0.2419 90957 99.13 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 141.02 Å2 / Biso mean: 56.604 Å2 / Biso min: 20.95 Å2
Baniso -1Baniso -2Baniso -3
1--0.67 Å20 Å20 Å2
2---0.67 Å20 Å2
3---1.34 Å2
Refinement stepCycle: final / Resolution: 2→47.17 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8597 0 25 89 8711
Biso mean--81.15 48.87 -
Num. residues----1033
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.0198770
X-RAY DIFFRACTIONr_bond_other_d0.0010.028453
X-RAY DIFFRACTIONr_angle_refined_deg1.5941.95311748
X-RAY DIFFRACTIONr_angle_other_deg0.829319453
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.30751027
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.83224.375480
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.906151716
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.2961560
X-RAY DIFFRACTIONr_chiral_restr0.0910.21226
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.029859
X-RAY DIFFRACTIONr_gen_planes_other0.0010.022125
LS refinement shellResolution: 2.001→2.053 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.438 389 -
Rwork0.423 6337 -
all-6726 -
obs--93.65 %

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