1FIK

HUMAN PLATELET PROFILIN I CRYSTALLIZED IN LOW SALT

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.8		CRYSTALLIZED FROM 30% PEG 8000 SOLUTION., pH 5.8

Crystal Properties
Matthews coefficient	Solvent content
2.09	59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.687	α = 90
b = 31.868	β = 123.09
c = 62.425	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	290	AREA DETECTOR	SIEMENS-NICOLET X100		1993-10-25	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2.3	28.4	92.6	0.054	19.8	1.3		5243		2

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-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MIR	2.3	8	2	4096		89.1	0.175

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
p_transverse_tor	35.2
p_staggered_tor	17
p_scangle_it	3.077
p_angle_deg	2.19
p_mcangle_it	2.129
p_scbond_it	1.915
p_planar_tor	1.3
p_mcbond_it	1.2
p_xyhbond_nbd	0.209
p_multtor_nbd	0.201
p_singtor_nbd	0.197
p_chiral_restr	0.129
p_planar_d	0.035
p_angle_d	0.027
p_bond_d	0.013
p_plane_restr	0.01
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1046
Nucleic Acid Atoms
Solvent Atoms	45
Heterogen Atoms	5

Software

Software
Software Name	Purpose
PHASES	phasing
X-PLOR	model building
PROFFT	refinement
X-PLOR	refinement
XDS	data reduction
XSCALE	data scaling
X-PLOR	phasing