2CJ4

Crystal Structure of a Cell Wall Invertase Inhibitor from Tobacco at pH 4.6

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		4.6		17% PEG 4000, 0.1 M NAOAC PH 4.6, 0.2 M LI2SO4

Crystal Properties
Matthews coefficient	Solvent content
2.8	55.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.35	α = 90
b = 47.18	β = 90
c = 57.45	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	100	CCD	ADSC CCD		2003-04-06	M	SINGLE WAVELENGTH

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

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	1.63	19.65	95.7	0.12	11.7	7.3		43726		-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	1.63	1.72	81.5		0.49	3.1	5.3

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	1.63	19.65	41534	2187	100	0.153	0.151	0.19	0.189	0.22	RANDOM	9.03

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]
0.02			-0.08		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.079
r_dihedral_angle_4_deg	22.566
r_dihedral_angle_3_deg	11.493
r_scangle_it	4.766
r_dihedral_angle_1_deg	4.737
r_scbond_it	3.499
r_mcangle_it	1.922
r_mcbond_it	1.67
r_angle_refined_deg	1.509
r_angle_other_deg	0.844
r_symmetry_vdw_refined	0.324
r_symmetry_vdw_other	0.274
r_nbd_refined	0.245
r_symmetry_hbond_refined	0.186
r_nbd_other	0.182
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.154
r_chiral_restr	0.09
r_nbtor_other	0.083
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
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_refined
r_symmetry_metal_ion_other
r_mcbond_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	2198
Nucleic Acid Atoms
Solvent Atoms	340
Heterogen Atoms	31

Software

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