2FRF

Horse Heart Myoglobin, Nitrite Adduct, Crystal Soak

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	295	Ammonium Sulfate/Tris-HCl, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.8	31.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.24	α = 90
b = 28.607	β = 105.75
c = 62.938	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	CCD	ADSC QUANTUM 4		2005-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12B	0.90	NSLS	X12B

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	1.2	10	98.3	0.073	7.8	3.4	38095	37088	2	4	16.3

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	1.24	92.6		0.303	4.34

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	1NPF	1.2	9.94	2	36143	35188	1900	97.36	0.17048	0.17048	0.16822	0.21107	RANDOM	16.68

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]
			0.01		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.178
r_dihedral_angle_4_deg	24.009
r_dihedral_angle_3_deg	11.784
r_sphericity_free	6.447
r_scangle_it	5.96
r_sphericity_bonded	5.688
r_scbond_it	5.078
r_rigid_bond_restr	4.666
r_dihedral_angle_1_deg	4.238
r_mcangle_it	3.9
r_mcbond_it	3.64
r_angle_refined_deg	1.076
r_nbtor_refined	0.306
r_nbd_refined	0.2
r_symmetry_vdw_refined	0.151
r_symmetry_hbond_refined	0.125
r_xyhbond_nbd_refined	0.103
r_chiral_restr	0.075
r_metal_ion_refined	0.02
r_bond_refined_d	0.007
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1210
Nucleic Acid Atoms
Solvent Atoms	187
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing