4ZMF

Phosphorylated Aspartate in the Crystal Structure of the Alpha-kinase domain of Myosin-II Heavy Chain Kinase A

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3LKM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277.15	PEG 8000, sodium phosphate, Tris chloride

Crystal Properties
Matthews coefficient	Solvent content
2.62	53.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.098	α = 90
b = 109.96	β = 90
c = 79.485	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	CCD	ADSC QUANTUM 270	White beam collimating mirror	2007-11-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.9179	CHESS	F1

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	2.39	79.06	99.8	0.1	27.04	9.5	277807	29130			38.5

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	2.39	2.49	100		0.45	4.66	8.1

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	3LKM	2.39	79.06	27601	1475	99.04	0.1951	0.1939	0.2174	RANDOM	42.152

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]
-2.42			1.57		0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.387
r_dihedral_angle_4_deg	17.289
r_dihedral_angle_3_deg	14.231
r_dihedral_angle_1_deg	6.54
r_mcangle_it	4.607
r_mcbond_it	2.819
r_mcbond_other	2.815
r_angle_refined_deg	1.503
r_angle_other_deg	0.947
r_chiral_restr	0.075

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.387
r_dihedral_angle_4_deg	17.289
r_dihedral_angle_3_deg	14.231
r_dihedral_angle_1_deg	6.54
r_mcangle_it	4.607
r_mcbond_it	2.819
r_mcbond_other	2.815
r_angle_refined_deg	1.503
r_angle_other_deg	0.947
r_chiral_restr	0.075
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3997
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms	58

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.