1W9I

Myosin II Dictyostelium discoideum motor domain S456Y bound with MgADP-BeFx

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		10% PEG 8000, 50 MM HEPES PH 7.0, 100 MM NACL, 2 MM DTT, 2 MM NAN3 IN THE RESERVOIR AND 7% PEG 8000, 50 MM HEPES PH 7.0, 100 MM NACL, 2 MM DTT, 2 MM NAN3 IN THE DROP

Crystal Properties
Matthews coefficient	Solvent content
3.2	60.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.017	α = 90
b = 186.506	β = 90
c = 54.713	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH		2000-04-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A		ESRF	BM30A

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	1.75	40	96.1	0.05	20.5	4.2		105022		3

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	1.75	1.79	97.4		0.16	4.1	3.8

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 1MMA	1.75	40	99718	5227	96.1	0.183	0.182	0.207	RANDOM	22.68

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]
-0.86			1.2		-0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.134
r_scangle_it	2.758
r_scbond_it	1.594
r_mcangle_it	1.279
r_angle_refined_deg	1.185
r_angle_other_deg	0.803
r_mcbond_it	0.669
r_symmetry_vdw_other	0.259
r_nbd_other	0.22
r_symmetry_vdw_refined	0.206
r_nbd_refined	0.193
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.137
r_chiral_restr	0.097
r_nbtor_other	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5551
Nucleic Acid Atoms
Solvent Atoms	734
Heterogen Atoms	92

Software

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