1H76

The crystal structure of diferric porcine serum transferrin

X-RAY DIFFRACTION

---

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
2.39	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 223.77	α = 90
b = 44.89	β = 105.39
c = 78.86	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	IMAGE PLATE	MAR scanner 300 mm plate			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.5		SRS	PX9.5

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	2.15	23.3	96	0.073	15.7	3.6		41503

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	2.15	2.2	97.4		0.123	8.1	3.4

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	0TFD	2.15	30	38011	2001	96	0.136	0.182	RANDOM

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_scangle_it	5.593
r_scbond_it	3.39
r_mcangle_it	2.424
r_angle_other_deg	1.961
r_dihedral_angle_3_deg	1.364
r_mcbond_it	1.313
r_symmetry_vdw_other	0.389
r_symmetry_hbond_refined	0.245
r_symmetry_vdw_refined	0.24
r_nbd_refined	0.224
r_nbd_other	0.212
r_nbtor_other	0.192
r_xyhbond_nbd_refined	0.187
r_chiral_restr	0.125
r_bond_refined_d	0.023
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_angle_refined_deg
r_dihedral_angle_1_deg
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_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	5233
Nucleic Acid Atoms
Solvent Atoms	494
Heterogen Atoms	24

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
XDISP	data reduction
SCALEPACK	data scaling
AMoRE	phasing