1KFR

Structural plasticity in the eight-helix fold of a trematode hemoglobin

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	277	ammonium sulfate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.117	α = 90
b = 31.45	β = 95.5
c = 54.952	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH		1997-06-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X31	1.000	EMBL/DESY, HAMBURG	X31

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	1.85	20	95.9			12210	12210

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.85	1.88	94.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.85	19	10861	10861	558	93.7	0.1642	0.1642	0.16133	0.22002	RANDOM	14.5

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]
-1.03		-0.59			0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	14.374
r_scbond_it	11.844
r_scangle_it	11.207
r_mcangle_it	6.27
r_mcbond_it	5.266
r_dihedral_angle_1_deg	3.633
r_angle_refined_deg	1.116
r_symmetry_hbond_refined	0.27
r_nbd_refined	0.234
r_xyhbond_nbd_refined	0.195
r_symmetry_vdw_refined	0.162
r_chiral_restr	0.088
r_bond_refined_d	0.01
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1166
Nucleic Acid Atoms
Solvent Atoms	180
Heterogen Atoms	58

Software

Software
Software Name	Purpose
EPMR	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling