1NYC

Staphostatins resemble lipocalins, not cystatins in fold.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	294	ammonium sulfate, sodium acetate, PEG 4000, glycerol, manganese chloride, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 294K, pH 4.60

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.196	α = 90
b = 77.049	β = 90
c = 101.271	γ = 90

Symmetry
Space Group	P 21 21 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	MARRESEARCH		2002-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6		MPG/DESY, HAMBURG	BW6

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	1.4	10	99.6	0.048	0.048	5.4	3		75079

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	1.4	1.42	98.2		0.188	0.188	3.4	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	SAD	THROUGHOUT	NONE	1.4	10	75880	50616	2661	99.63	0.20225	0.201	0.22552	RANDOM	23.637

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]
-1.15			1.19		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	5.846
r_dihedral_angle_1_deg	5.722
r_angle_other_deg	3.772
r_scbond_it	3.48
r_mcangle_it	2.353
r_angle_refined_deg	1.651
r_mcbond_it	1.186
r_nbd_other	0.298
r_symmetry_vdw_other	0.294
r_nbd_refined	0.233
r_symmetry_vdw_refined	0.217
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.162
r_nbtor_other	0.116
r_chiral_restr	0.095
r_bond_refined_d	0.018
r_gen_planes_other	0.01
r_gen_planes_refined	0.007
r_bond_other_d
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1844
Nucleic Acid Atoms
Solvent Atoms	260
Heterogen Atoms	7

Software

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