1K7H

CRYSTAL STRUCTURE OF SHRIMP ALKALINE PHOSPHATASE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		pH 5.60

Crystal Properties
Matthews coefficient	Solvent content
2.92	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 171.169	α = 90
b = 171.169	β = 90
c = 84.332	γ = 90

Symmetry
Space Group	P 43 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 4r	TOROIDAL MIRROR	2000-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9310,1.2820,1.2825,0.933	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.85	99	96.8	0.076	0.176	11.8	2.6		95547			24.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.92	1.99	99.2		0.465	0.597	2.2	2.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.92	119.5	88009	4581	96.9	0.2	0.198	0.227	RANDOM	25.99

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]
-1.52			-1.52		3.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	18.109
r_sphericity_free	8.743
r_dihedral_angle_1_deg	4.625
r_scangle_it	4.094
r_scbond_it	2.626
r_angle_refined_deg	1.907
r_mcangle_it	1.528
r_angle_other_deg	1.451
r_mcbond_it	0.885
r_nbd_refined	0.238
r_nbd_other	0.219
r_symmetry_hbond_refined	0.196
r_symmetry_vdw_refined	0.192
r_symmetry_vdw_other	0.173
r_xyhbond_nbd_refined	0.153
r_metal_ion_refined	0.13
r_nbtor_other	0.116
r_chiral_restr	0.112
r_xyhbond_nbd_other	0.111
r_symmetry_hbond_other	0.088
r_bond_refined_d	0.024
r_gen_planes_refined	0.009
r_bond_other_d	0.008
r_gen_planes_other	0.008
r_rigid_bond_restr
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7464
Nucleic Acid Atoms
Solvent Atoms	548
Heterogen Atoms	88

Software

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