4OOD

Structure of K42Y mutant of sperm whale myoglobin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3OCK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277	2.7 M ammonium sulfate, 20 mM Tris/HCl, 1 mM EDTA, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.002	α = 90
b = 47.515	β = 90
c = 85.243	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 300 mm CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0000	APS	22-ID

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	1.24		94.25				36894		1

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	1.24	1.271	65.15

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3OCK	1.24	24.39	36894	1935	94.25	0.14318	0.14047	0.19468	RANDOM	18.493

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]
0.62			-0.46		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	43.647
r_dihedral_angle_2_deg	39.113
r_sphericity_bonded	13.704
r_dihedral_angle_3_deg	13.045
r_dihedral_angle_4_deg	10.787
r_rigid_bond_restr	6.608
r_long_range_B_refined	5.776
r_dihedral_angle_1_deg	5.08
r_scangle_other	4.616
r_long_range_B_other	4.37
r_scbond_it	4.121
r_scbond_other	4.113
r_angle_other_deg	2.795
r_mcangle_other	2.598
r_mcangle_it	2.521
r_angle_refined_deg	2.43
r_mcbond_it	2.231
r_mcbond_other	2.195
r_chiral_restr	0.186
r_bond_refined_d	0.023
r_gen_planes_refined	0.013
r_gen_planes_other	0.011
r_bond_other_d	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1215
Nucleic Acid Atoms
Solvent Atoms	253
Heterogen Atoms	81

Software

Software
Software Name	Purpose
MAR345dtb	data collection
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling