2CJ7

Crystal Structure of a Cell Wall Invertase Inhibitor from Tobacco (pH 9.0)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1RJ1	PDB ENTRY 1RJ1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		18% PEG 4000, 0.1M BIS-TRIS PH 9.0, 0.2 M NAI

Crystal Properties
Matthews coefficient	Solvent content
2.8	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.69	α = 90
b = 107.43	β = 90
c = 56.32	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 CCD		2003-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.8	38.87	97.1	0.11	14.3	7.3		16850		-3

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	1.8	1.9	91.4		0.72	2.7	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1RJ1	1.8	38.87	15920	838	100	0.187	0.185	0.19	0.225	0.23	RANDOM	17.48

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]
0.13			-0.08		-0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.669
r_dihedral_angle_3_deg	14.71
r_dihedral_angle_4_deg	10.911
r_dihedral_angle_1_deg	4.825
r_scangle_it	4.322
r_scbond_it	2.725
r_mcangle_it	1.643
r_angle_refined_deg	1.498
r_mcbond_it	0.996
r_angle_other_deg	0.881
r_symmetry_vdw_refined	0.294
r_symmetry_vdw_other	0.292
r_symmetry_metal_ion_refined	0.291
r_mcbond_other	0.277
r_xyhbond_nbd_refined	0.258
r_nbd_refined	0.225
r_symmetry_hbond_refined	0.194
r_nbtor_refined	0.177
r_nbd_other	0.159
r_chiral_restr	0.096
r_nbtor_other	0.085
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1080
Nucleic Acid Atoms
Solvent Atoms	104
Heterogen Atoms	32

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing