1VJQ

Designed protein based on backbone conformation of procarboxypeptidase-A (1AYE) with sidechains chosen for maximal predicted stability.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	290	1 ul protein 6.87 mg/ml 1 ul crystallization buffer 20% PEG 1000, 40 mM CaCl, 100 mM NaAc 1 ul micro-seeds of sulfur-Met protein in crystallization buffer, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.442	α = 90
b = 65.041	β = 90
c = 39.201	γ = 90

Symmetry
Space Group	P 21 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		CCD	ADSC QUANTUM 210		2004-01-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1		ALS	8.2.1

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	2.098	44.721	85	0.108				8236

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18		32.9	0.375

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MAD	2.098	44.721	8077	386		0.203	0.1991	0.2906	27.261

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]
-1.098			3.071		-1.973

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.045
r_dihedral_angle_3_deg	19.789
r_dihedral_angle_1_deg	5.902
r_mcangle_it	2.381
r_mcbond_it	1.857
r_scangle_it	1.73
r_mcangle_other	1.49
r_angle_refined_deg	1.411
r_scbond_it	1.087
r_angle_other_deg	0.89
r_scangle_other	0.78
r_xyhbond_nbd_refined	0.415
r_mcbond_other	0.408
r_symmetry_hbond_refined	0.232
r_scbond_other	0.219
r_symmetry_vdw_other	0.196
r_nbd_refined	0.195
r_nbd_other	0.184
r_nbtor_refined	0.178
r_symmetry_vdw_refined	0.148
r_chiral_restr	0.098
r_nbtor_other	0.091
r_bond_refined_d	0.014
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1162
Nucleic Acid Atoms
Solvent Atoms	66
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
SHELX	phasing
RESOLVE	phasing
REFMAC	refinement
SHELXD	phasing