Experiment: 1MYZ

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1DXC	1DXC (MbCO-YQR at 100K)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.7	294	CO-saturated, 2.8M ammonium sulphate, 100mM Tris-Cl, 1 mM dithionite, crystallized in seeded batch, pH 8.7, temperature 294.0K

Crystal Properties
Matthews coefficient	Solvent content
3.14	60.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.2	α = 90
b = 91.2	β = 90
c = 45.712	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	neutron	283	CCD	MAR CCD 130 mm		2001-12-18	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID09		ESRF	ID09

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.55	29.88	96	0.064	37.1	26.7	31195	31195		-3	19.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.55	1.62	75.9		0.414	4.5	4.1	3574

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	Rigid Body from starting model	THROUGHOUT	1DXC (MbCO-YQR at 100K)	1.6	29.88	28574	28574	1422	99.2	0.167	0.167	0.166	0.16	0.184	0.18	RANDOM	19.4

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]
0.54	0.67		0.54		-1.08

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	15.9
c_scangle_it	4.77
c_scbond_it	3.41
c_mcangle_it	2.28
c_mcbond_it	1.63
c_angle_deg	1
c_improper_angle_d	0.72
c_bond_d	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1332
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	58

Software

Software
Software Name	Purpose
SPEC	data collection
PROW	data reduction
CNS	refinement
SPEC	data reduction
PROW	data scaling
CCP4	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.