1SHN

Crystal structure of shrimp alkaline phosphatase with phosphate bound

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	42% (w/v) saturated ammonium sulfate, 100mM tris-maleic acid pH 5.6, 1 mM MgCl2, 0.1mM ZnCl2, 5% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.9	57.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 170.676	α = 90
b = 170.677	β = 90
c = 83.925	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	77	CCD	ADSC QUANTUM 4		2002-02-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.15	40					66456

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.15	39.64	66456	61853	3289	96.26	0.186	0.18758	0.18596	0.2182	RANDOM	27.674

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]
-0.15			-0.15		0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.37
r_dihedral_angle_1_deg	4.859
r_scangle_it	4.343
r_scbond_it	2.772
r_angle_refined_deg	1.969
r_mcangle_it	1.648
r_angle_other_deg	1.153
r_mcbond_it	0.927
r_nbtor_other	0.375
r_symmetry_vdw_refined	0.32
r_symmetry_hbond_refined	0.305
r_nbd_refined	0.244
r_nbd_other	0.219
r_symmetry_vdw_other	0.215
r_metal_ion_refined	0.213
r_xyhbond_nbd_refined	0.147
r_chiral_restr	0.114
r_xyhbond_nbd_other	0.041
r_bond_refined_d	0.024
r_gen_planes_refined	0.009
r_gen_planes_other	0.008
r_bond_other_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7462
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms	54

Software

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