3QM9

Blackfin tuna azido-myoglobin, atomic resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2NRL	PDB entry 2NRL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	0.2 M potassium/sodium tartrate, 0.1 M sodium citrate, 2.0 M ammonium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.008	α = 90
b = 51.894	β = 103.95
c = 38.644	γ = 90

Symmetry
Space Group	P 1 21 1

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	MAR CCD 165 mm		2006-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.92	APS	31-ID

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	0.91	17.27	93.74	0.056	31.21	5.9	88244	82720		2

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)
1	0.91	0.934	87.34		0.301	5.9	5.5

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	RIGID BODY refinement	THROUGHOUT	PDB entry 2NRL	0.91	17.27	88244	82720	4356	93.74	0.12068	0.12002	0.13324	RANDOM	7.658

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]
4.67		4.66	-1.96		-2.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.146
r_dihedral_angle_4_deg	17.109
r_dihedral_angle_3_deg	13.671
r_scangle_it	6.236
r_dihedral_angle_1_deg	4.996
r_scbond_it	4.823
r_mcangle_it	3.324
r_angle_refined_deg	2.43
r_mcbond_it	2.278
r_rigid_bond_restr	2.25
r_angle_other_deg	1.152
r_mcbond_other	0.961
r_chiral_restr	0.128
r_bond_refined_d	0.03
r_gen_planes_refined	0.013
r_bond_other_d	0.007
r_gen_planes_other	0.003
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_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1091
Nucleic Acid Atoms
Solvent Atoms	168
Heterogen Atoms	70

Software

Software
Software Name	Purpose
HKL-2000	data collection
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling