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- PDB-2za8: recombinant horse L-chain apoferritin N-terminal deletion mutant ... -

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Basic information

Database: PDB / ID: 2za8
Titlerecombinant horse L-chain apoferritin N-terminal deletion mutant (residues 1-8)
ComponentsFerritin light chain
KeywordsMETAL BINDING PROTEIN / ferric iron binding / Acetylation / Iron storage / Metal-binding
Function / homology
Function and homology information

intracellular ferritin complex / intracellular sequestering of iron ion / ferric iron binding / ferrous iron binding / iron ion transport / iron ion binding / 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 light chain
Similarity search - Component
Biological speciesEquus caballus (horse)
AuthorsYamashita, I. / Mishima, Y. / Park, S.-Y. / Heddle, J.G. / Tame, J.R.H.
CitationJournal: J.BIOCHEM.(TOKYO) / Year: 2007
Title: Effect of N-terminal Residues on the Structural Stability of Recombinant Horse L-chain Apoferritin in an Acidic Environment
Authors: Yoshizawa, K. / Mishima, Y. / Park, S.-Y. / Heddle, J.G. / Tame, J.R.H. / Iwahori, K. / Kobayashi, M. / Yamashita, I.
DepositionOct 2, 2007Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 22, 2008Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance

Structure visualization

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Deposited unit
A: Ferritin light chain
hetero molecules

Theoretical massNumber of molelcules
Total (without water)19,2663
A: Ferritin light chain
hetero molecules
x 24

Theoretical massNumber of molelcules
Total (without water)462,39272
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation22_565z,-y+1,x1
crystal symmetry operation29_554z,x+1/2,y-1/21
crystal symmetry operation41_555x,z+1/2,-y+1/21
crystal symmetry operation44_554x,-z+1/2,y-1/21
crystal symmetry operation30_555z,-x+1/2,-y+1/21
crystal symmetry operation87_455y-1/2,-x+1/2,z1
crystal symmetry operation84_555-y+1/2,-z+1/2,x1
crystal symmetry operation88_555-y+1/2,x+1/2,z1
crystal symmetry operation81_455y-1/2,z+1/2,x1
crystal symmetry operation85_455y-1/2,x+1/2,-z1
crystal symmetry operation82_555-y+1/2,z+1/2,-x1
crystal symmetry operation4_565x,-y+1,-z1
crystal symmetry operation21_555z,y,-x1
crystal symmetry operation86_555-y+1/2,-x+1/2,-z1
crystal symmetry operation83_455y-1/2,-z+1/2,-x1
crystal symmetry operation31_554-z,-x+1/2,y-1/21
crystal symmetry operation43_555-x,-z+1/2,-y+1/21
crystal symmetry operation2_565-x,-y+1,z1
crystal symmetry operation23_555-z,y,x1
crystal symmetry operation42_554-x,z+1/2,y-1/21
crystal symmetry operation32_555-z,x+1/2,-y+1/21
crystal symmetry operation3_555-x,y,-z1
crystal symmetry operation24_565-z,-y+1,-x1
Buried area84760 Å2
Unit cell
Length a, b, c (Å)180.210, 180.210, 180.210
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number209
Space group name H-MF432


#1: Protein Ferritin light chain / / L ferritin / Ferritin L subunit

Mass: 19041.512 Da / Num. of mol.: 1 / Fragment: residues 9-175
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Equus caballus (horse) / Plasmid: PMK2 / Production host: Escherichia coli (E. coli) / References: UniProt: P02791
#2: Chemical ChemComp-CD / CADMIUM ION

Mass: 112.411 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cd
#3: Water ChemComp-HOH / water / Water

Mass: 18.015 Da / Num. of mol.: 177 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsSEE REF. 2 IN THE DATABASE, P02791 IN UNP.

Experimental details


ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

Sample preparation

CrystalDensity Matthews: 3.2 Å3/Da / Density % sol: 61.58 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.8
Details: 0.1M Tris-HCl, 225mM ammonium sulphate, 0.13% cadmium chloride, 25% 2-Metyl-2,4-pentanediol, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Data collection

Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL44B2 / Wavelength: 0.9 Å
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Oct 20, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 1.4→20 Å / Num. obs: 52831 / % possible obs: 99.8 % / Biso Wilson estimate: 14 Å2


HKL-2000data collection
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1AEW
Resolution: 1.4→19.76 Å / Cor.coef. Fo:Fc: 0.935 / Cor.coef. Fo:Fc free: 0.925 / SU B: 1.034 / SU ML: 0.041 / Cross valid method: THROUGHOUT / ESU R: 0.06 / ESU R Free: 0.061 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.23855 2471 5 %RANDOM
Rwork0.21969 ---
obs0.22066 46795 100 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 14.328 Å2
Refinement stepCycle: LAST / Resolution: 1.4→19.76 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1321 0 2 177 1500
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0211345
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.1111.971811
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.5625164
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.0820.2198
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.021026
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2070.2670
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1780.2131
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2250.271
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1420.224
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.6651.5817
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.33721296
X-RAY DIFFRACTIONr_scbond_it2.2863528
X-RAY DIFFRACTIONr_scangle_it3.9054.5515
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.4→1.436 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.306 178
Rwork0.283 3153

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