1NTF

Crystal Structure of Cimex Nitrophorin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.6	298	PEG 4000, pH 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.99	37.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.2	α = 90
b = 42.1	β = 95.88
c = 65.85	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV	osmic mirrors	2002-07-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	1.8	21	98.5	0.064	11	3.6	25024	24988			19.9

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)
	1.8	1.85	96.5		0.31	2.4	3.6	1859

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	MAD	THROUGHOUT	1.8	21	23852	23852	1214	99.66	0.1532	0.15323	0.151	0.19788	RANDOM	22.693

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]
-0.47		-0.94	0.03		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.88
r_scangle_it	5.703
r_scbond_it	3.585
r_mcangle_it	2.528
r_angle_refined_deg	1.968
r_mcbond_it	1.366
r_angle_other_deg	0.945
r_symmetry_hbond_refined	0.376
r_nbd_other	0.247
r_symmetry_vdw_other	0.212
r_nbd_refined	0.204
r_symmetry_vdw_refined	0.171
r_xyhbond_nbd_refined	0.159
r_chiral_restr	0.122
r_nbtor_other	0.09
r_bond_refined_d	0.024
r_gen_planes_refined	0.011
r_gen_planes_other	0.009
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2227
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
d*TREK	data scaling
MLPHARE	phasing