2CN6 | pdb_00002cn6

Recombinant human H ferritin, K86Q and E107D mutant, soaked with Zn ions

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CHI	PDB 2CHI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5		HANGING DROP. RESERVOIR: MPD 5% CACL2 4.7 MM, TRIS 50 MM PH 8.5 DROP: 1 UL PROTEIN (22 MG/ML) AND 1 UL RESERVOIR

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 178.453	α = 90
b = 178.453	β = 90
c = 178.453	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	100	CCD	MARRESEARCH	TWO MIRRORS ARE USED FOR VERTICAL FOCUSSING	2005-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A		ESRF	BM30A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	44.61	99.8	0.09	28	23		12895			39.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.25	100		0.55	7	23

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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB 2CHI	2.2	103.14	12251	627	99.8	0.196	0.195	0.19	0.23	0.23	RANDOM	33.73

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_2_deg	38.367
r_dihedral_angle_4_deg	19.368
r_dihedral_angle_3_deg	13.945
r_dihedral_angle_1_deg	5.425
r_scangle_it	4.912
r_scbond_it	3.317
r_mcangle_it	1.725
r_angle_refined_deg	1.413
r_mcbond_it	1.088
r_nbtor_refined	0.305
r_symmetry_vdw_refined	0.233
r_nbd_refined	0.206
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.137
r_chiral_restr	0.095
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1412
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	14

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling