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- PDB-6ke2: ABloop reengineered Ferritin Nanocage -

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Basic information

Entry
Database: PDB / ID: 6ke2
TitleABloop reengineered Ferritin Nanocage
ComponentsFerritin heavy chain
KeywordsMETAL BINDING PROTEIN / rHuHF / ABloop reengineered
Function / homology
Function and homology information


iron ion sequestering activity / ferritin complex / Scavenging by Class A Receptors / negative regulation of ferroptosis / Golgi Associated Vesicle Biogenesis / ferroxidase / autolysosome / ferroxidase activity / negative regulation of fibroblast proliferation / ferric iron binding ...iron ion sequestering activity / ferritin complex / Scavenging by Class A Receptors / negative regulation of ferroptosis / Golgi Associated Vesicle Biogenesis / ferroxidase / autolysosome / ferroxidase activity / negative regulation of fibroblast proliferation / ferric iron binding / autophagosome / iron ion transport / Iron uptake and transport / ferrous iron binding / tertiary granule lumen / ficolin-1-rich granule lumen / intracellular iron ion homeostasis / immune response / iron ion binding / negative regulation of cell population proliferation / Neutrophil degranulation / extracellular exosome / extracellular region / identical protein binding / nucleus / cytoplasm / cytosol
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: 1.798 Å
AuthorsWang, W.M. / Wang, H.F.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China21601112, 21671125 China
CitationJournal: Chem.Commun.(Camb.) / Year: 2019
Title: AB loop engineered ferritin nanocages for drug loading under benign experimental conditions.
Authors: Wang, W. / Wang, L. / Li, G. / Zhao, G. / Zhao, X. / Wang, H.
History
DepositionJul 3, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 23, 2019Provider: 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_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.ptnr1_symmetry / _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.ptnr3_symmetry / _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_conn.ptnr2_symmetry

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Ferritin heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)21,36911
Polymers21,0241
Non-polymers34410
Water4,684260
1
A: Ferritin heavy chain
hetero molecules
x 24


Theoretical massNumber of molelcules
Total (without water)512,847264
Polymers504,58624
Non-polymers8,261240
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 area103710 Å2
ΔGint-2024 kcal/mol
Surface area135630 Å2
MethodPISA
Unit cell
Length a, b, c (Å)182.448, 182.448, 182.448
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number209
Space group name H-MF432
Components on special symmetry positions
IDModelComponents
11A-201-

MG

21A-202-

MG

31A-317-

HOH

41A-556-

HOH

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Components

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Protein , 1 types, 1 molecules A

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


Mass: 21024.428 Da / Num. of mol.: 1 / Mutation: Deletion,K84Q
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

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Non-polymers , 5 types, 270 molecules

#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Fe
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#5: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 260 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 3.2 Å3/Da / Density % sol: 61.53 %
Crystal growTemperature: 285 K / Method: vapor diffusion, hanging drop / Details: 0.1M bincine pH 9.0, 2M MgCl2

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL18U1 / Wavelength: 0.9779 Å
DetectorType: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Apr 28, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9779 Å / Relative weight: 1
ReflectionResolution: 1.798→50 Å / Num. obs: 24788 / % possible obs: 99.9 % / Redundancy: 21.4 % / Rmerge(I) obs: 0.073 / Net I/σ(I): 53.8
Reflection shellResolution: 1.8→1.83 Å / Rmerge(I) obs: 0.2 / Num. unique obs: 1207

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Processing

Software
NameVersionClassification
HKL-2000data scaling
PHENIX1.15.2_3472refinement
PDB_EXTRACT3.25data extraction
HKL-3000data reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2FHA

2fha


Resolution: 1.798→26.334 Å / SU ML: 0.12 / Cross valid method: THROUGHOUT / σ(F): 1.38 / Phase error: 15.53
RfactorNum. reflection% reflection
Rfree0.1794 1999 8.07 %
Rwork0.1544 --
obs0.1565 24762 99.97 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 63.08 Å2 / Biso mean: 14.9419 Å2 / Biso min: 4.4 Å2
Refinement stepCycle: final / Resolution: 1.798→26.334 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1390 0 10 260 1660
Biso mean--30.74 26.53 -
Num. residues----169
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork
1.7981-1.8430.19991410.15781615
1.843-1.89280.18251400.1551575
1.8928-1.94850.19821380.15551583
1.9485-2.01140.20511400.15071587
2.0114-2.08320.18981390.14271592
2.0832-2.16660.16061400.13741582
2.1666-2.26520.16571420.13981623
2.2652-2.38450.16771410.1491608
2.3845-2.53380.19061420.16321615
2.5338-2.72930.18671420.16071616
2.7293-3.00360.16641440.15911636
3.0036-3.43740.17141450.15481650
3.4374-4.32760.17911470.13661680
4.3276-26.3340.18221580.1831801

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