2FXO

Structure of the human beta-myosin S2 fragment

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	296	PEG 3350, SODIUM ACETATE, TRIS-HCL, pH 7.50, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.157	α = 91.11
b = 41.867	β = 92.73
c = 97.795	γ = 107.18

Symmetry
Space Group	P 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	MARRESEARCH		2001-02-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	2.5	20	96	0.08	9	3.2		20190		-3	61

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	2.5	2.6	96.6		0.388	3.2	3.2

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	SAD WITH SEMI-BRUTE- FORCE MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1XNM	2.5	20	19157	1040	96.2	0.277	0.273	0.349	RANDOM	61.39

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]
-2.3	1.34	-5.88	0.74	-0.69	1.76

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	9.684
r_mcangle_it	8.38
r_scbond_it	6.774
r_mcbond_it	6.269
r_dihedral_angle_1_deg	6.104
r_angle_other_deg	3.65
r_angle_refined_deg	1.526
r_symmetry_vdw_other	0.286
r_nbd_other	0.259
r_nbd_refined	0.233
r_xyhbond_nbd_refined	0.192
r_symmetry_vdw_refined	0.189
r_symmetry_hbond_refined	0.131
r_nbtor_other	0.104
r_chiral_restr	0.071
r_bond_refined_d	0.016
r_gen_planes_refined	0.004
r_gen_planes_other	0.003
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4145
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
XDS	data scaling
XDS	data reduction
SHELXD	phasing
MOLEMAN2	model building
REFMAC	refinement
MOLEMAN2	phasing