108M

SPERM WHALE MYOGLOBIN V68F N-BUTYL ISOCYANIDE AT PH 7.0

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		SPERM WHALE MYOGLOBIN 0M, D122N (DEOXY)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		3.0 M AMMONIUM SULFATE, 20 MM TRIS, 1MM EDTA, PH 9.0, pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
3.07	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.622	α = 90
b = 91.622	β = 90
c = 45.984	γ = 120

Symmetry
Space Group	P 6

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	292	IMAGE PLATE	RIGAKU	PINHOLE COLLIMATOR	1997-03-25	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	SIEMENS

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	2.67	6	99	0.098		3.52		6345			27.6

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)
	2.67	2.68	93.9		0.34		3.56

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	SPERM WHALE MYOGLOBIN 0M, D122N (DEOXY)	2.67	5	4900	531	90.8	0.124	0.124	0.226	RANDOM	29.8

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
x_dihedral_angle_d	19.3
x_scangle_it	12.69
x_scbond_it	11.07
x_mcangle_it	5.92
x_mcbond_it	5.56
x_improper_angle_d	2.51
x_angle_deg	2.2
x_bond_d	0.028
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1229
Nucleic Acid Atoms
Solvent Atoms	110
Heterogen Atoms	49

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
XDS	data reduction
XSCALE	data scaling
X-PLOR	phasing