1KRN

STRUCTURE OF KRINGLE 4 AT 4C TEMPERATURE AND 1.67 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				CRYSTALLIZED FROM BASA (BENZYL AMIN SULFONIC ACID) BUT ONLY SULFATE VISIBLE IN THE STRUCTURE.

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.44	α = 90
b = 50.27	β = 90
c = 32.3	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		AREA DETECTOR	XUONG-HAMLIN MULTIWIRE MARK II		1992-12-13	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	Mean Isotropic B
X-RAY DIFFRACTION		1.67	10	2	7696			0.147	0.147	0.232

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_bond_d	0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
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	632
Nucleic Acid Atoms
Solvent Atoms	259
Heterogen Atoms

Software

Software
Software Name	Purpose
SDMS	data collection
X-PLOR	model building
X-PLOR	refinement
SDMS	data reduction
X-PLOR	phasing