2CRK

MUSCLE CREATINE KINASE

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		55% TO 60% SATURATED AMMONIUM SULFATE, 2.5% PEG400 IN HEPES BUFFER AT PH 7.2, ABOUT 5MM/MG PROTEIN CONCENTRATION

Crystal Properties
Matthews coefficient	Solvent content
4.2	68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 199.6	α = 90
b = 199.6	β = 90
c = 71	γ = 90

Symmetry
Space Group	I 4 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	IMAGE PLATE	MAC Science DIP-2020	FRANKS DOUBLE MIRROR OPTICS	1996-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591

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	2.35	20	96.6	0.101	16.45	9.4		29042		1

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)
	2.35	2.39	89.2		0.339	3.78	5.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MIR	THROUGHOUT	1CRK	2.35	7	2	27515		96.5	0.195	0.195	0.288	RANDOM	26.3

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	17.1
x_improper_angle_d	2
x_angle_deg	1.9
x_bond_d	0.014
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2929
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHASES	phasing
AMoRE	phasing
MADIRA	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
MADIRA	phasing