1ZEF

structure of alkaline phosphatase from human placenta in complex with its uncompetitive inhibitor L-Phe

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	295	PEG, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.74	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.791	α = 90
b = 114.944	β = 90
c = 106.341	γ = 90

Symmetry
Space Group	C 2 2 21

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 4		2001-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.98	ESRF	ID29

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	1.89	99	98.5	0.066			43600	43024

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)
1	1.89	1.93	98.5		0.183	4.6

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	FOURIER SYNTHESIS	THROUGHOUT	1.9	15	41986	39871	2115	100	0.12861	0.12861	0.12625	0.17322	RANDOM	18.647

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]
-0.3			0.83		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.761
r_scangle_it	4.626
r_scbond_it	2.862
r_angle_refined_deg	1.72
r_mcangle_it	1.679
r_angle_other_deg	1.075
r_mcbond_it	0.913
r_symmetry_hbond_refined	0.311
r_symmetry_vdw_other	0.31
r_nbd_other	0.264
r_nbd_refined	0.247
r_symmetry_vdw_refined	0.244
r_xyhbond_nbd_refined	0.209
r_chiral_restr	0.175
r_metal_ion_refined	0.164
r_nbtor_other	0.091
r_gen_planes_other	0.024
r_bond_refined_d	0.017
r_gen_planes_refined	0.015
r_bond_other_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3669
Nucleic Acid Atoms
Solvent Atoms	702
Heterogen Atoms	56

Software

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