1U7R

Crystal structure of Native Sperm Whale myoglobin from low ionic strength enviroment (Form2 )

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	50mM imidazole, pH 7 with 16% PEG3550, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
1.83	32.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.95	α = 90
b = 47.974	β = 90
c = 78.332	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	ADSC QUANTUM 4		2000-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D	1	APS	14-BM-D

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	1.15	40	100	0.039			53703	53703		-1000

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.15	1.19	92.8		0.235	0.039	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	FREE R	1.15	40	53703	5019	100	0.1382	0.1376	0.1376	0.1647	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
5		1413

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.117
s_non_zero_chiral_vol	0.112
s_zero_chiral_vol	0.084
s_similar_adp_cmpnt	0.06
s_angle_d	0.035
s_anti_bump_dis_restr	0.031
s_from_restr_planes	0.0285
s_bond_d	0.019
s_similar_dist	0.015
s_rigid_bond_adp_cmpnt	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1203
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms	48

Software

Software
Software Name	Purpose
SHELX	model building
SHELXL-97	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELX	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.