2NX0

Ferrous nitrosyl blackfin tuna myoglobin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MYT

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
2.1	41.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.52	α = 90
b = 51.53	β = 105.86
c = 38.06	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	ADSC QUANTUM 315		2006-04-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.900	APS	14-BM-C

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	0.95	22	98.7	0.089	12	9.87		79652

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1MYT	0.95	21.81	77151	75608	4006	98.74	0.15673	0.15673	0.15558	0.17805	RANDOM	9.015

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]
0.05		0.03	0.14		-0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.987
r_dihedral_angle_3_deg	12.107
r_dihedral_angle_4_deg	9.033
r_sphericity_free	8.979
r_sphericity_bonded	5.351
r_dihedral_angle_1_deg	5.09
r_scangle_it	4.06
r_scbond_it	3.167
r_mcangle_it	2.053
r_mcbond_it	1.74
r_angle_refined_deg	1.728
r_rigid_bond_restr	1.535
r_angle_other_deg	1.242
r_mcbond_other	0.885
r_metal_ion_refined	0.262
r_nbd_refined	0.255
r_symmetry_hbond_refined	0.244
r_xyhbond_nbd_refined	0.228
r_nbd_other	0.188
r_symmetry_vdw_other	0.188
r_nbtor_refined	0.184
r_symmetry_vdw_refined	0.179
r_nbtor_other	0.095
r_chiral_restr	0.091
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1231
Nucleic Acid Atoms
Solvent Atoms	253
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
d*TREK	data reduction
d*TREK	data scaling
PHASER	phasing