2ZLW

Horse methemoglobin high salt, pH 7.0 (75% relative humidity)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION	7	298	2.6M ammonium sulfate, 0.01M ammonium phosphate, pH 7.0, LIQUID DIFFUSION, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.272	α = 90
b = 63.265	β = 111.28
c = 108.149	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	MARRESEARCH	OSMIC MIRROR	2006-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	2.9	20	92.9	0.185	4.6	1.3		14192			44

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)
	2.9	3	94.5		0.378	2.7		1443

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	PDB ENTRY 2MHB	2.9	19.92	13496	695	92.85	0.27463	0.27365	0.29363	RANDOM	22.659

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]
-0.03					0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.852
r_dihedral_angle_3_deg	17.405
r_dihedral_angle_4_deg	15.306
r_mcangle_it	7.526
r_mcbond_it	5.422
r_dihedral_angle_1_deg	3.066
r_scangle_it	1.646
r_angle_refined_deg	1.504
r_scbond_it	1.02
r_nbtor_refined	0.316
r_nbd_refined	0.281
r_symmetry_vdw_refined	0.276
r_xyhbond_nbd_refined	0.201
r_symmetry_hbond_refined	0.187
r_chiral_restr	0.086
r_bond_refined_d	0.014
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4390
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	172

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing