4ZZ6

Structure of the complex of type 1 ribosome inactivating protein from Momordica balsamina with a nucleotide, cytidine triphosphate at 2.0A resolution

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3S9Q

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	298	14% PEG 6000, 0.1M Sodium Phosphate

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.964	α = 90
b = 129.964	β = 90
c = 40.495	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MARRESEARCH		2012-11-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.97	ESRF	BM14

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	2	38.13	100	0.088	47.8	4.3	16425	16425

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.03	100		7.2

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3S9Q	2	38.13	16425	875	99.96	0.16339	0.16256	0.18871	RANDOM	30.278

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]
-0.74	-0.74		-0.74		2.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.134
r_dihedral_angle_4_deg	14.831
r_dihedral_angle_3_deg	11.824
r_long_range_B_refined	5.438
r_long_range_B_other	5.437
r_dihedral_angle_1_deg	5.097
r_scangle_other	1.909
r_mcangle_it	1.532
r_mcangle_other	1.531
r_scbond_it	1.145
r_scbond_other	1.141
r_angle_refined_deg	1.046
r_mcbond_it	0.896
r_mcbond_other	0.896
r_angle_other_deg	0.7
r_chiral_restr	0.056
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1911
Nucleic Acid Atoms
Solvent Atoms	229
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
Coot	model building