2ZA8

recombinant horse L-chain apoferritin N-terminal deletion mutant (residues 1-8)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AEW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	293	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

Crystal Properties
Matthews coefficient	Solvent content
3.2	61.58

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 180.21	α = 90
b = 180.21	β = 90
c = 180.21	γ = 90

Symmetry
Space Group	F 4 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	MAR CCD 165 mm		2003-10-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	0.9	SPring-8	BL44B2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.4	20	99.8				52831			14

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1AEW	1.4	19.76	46795	2471	100	0.22066	0.21969	0.23855	RANDOM	14.328

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	4.562
r_scangle_it	3.905
r_scbond_it	2.286
r_mcangle_it	1.337
r_angle_refined_deg	1.111
r_mcbond_it	0.665
r_symmetry_vdw_refined	0.225
r_nbd_refined	0.207
r_xyhbond_nbd_refined	0.178
r_symmetry_hbond_refined	0.142
r_chiral_restr	0.082
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1321
Nucleic Acid Atoms
Solvent Atoms	177
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing