4HOA

Crystal structure of the complex of type 1 ribosome inactivating protein from Momordica Balsamina with B-D-galactopyranosyl-(1-4)-D-glucose at 2.0 A resolution

X-RAY DIFFRACTION

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.18

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.2	α = 90
b = 130.2	β = 90
c = 38.68	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	mirror	2010-05-11	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 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	2	65.1	100	0.083	7.8		16523	16523

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	2	2.1	100		0.502	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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3S9Q	2	37.5	16523	16523	836	99.98	0.19828	0.19801	0.19552	0.22655	RANDOM	38.399

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]
-2.75	-1.37		-2.75		4.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.607
r_dihedral_angle_4_deg	24.944
r_dihedral_angle_3_deg	17.618
r_dihedral_angle_1_deg	6.724
r_scangle_it	5.433
r_scbond_it	3.555
r_angle_refined_deg	2.723
r_mcangle_it	2.052
r_mcbond_it	1.275
r_chiral_restr	0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.607
r_dihedral_angle_4_deg	24.944
r_dihedral_angle_3_deg	17.618
r_dihedral_angle_1_deg	6.724
r_scangle_it	5.433
r_scbond_it	3.555
r_angle_refined_deg	2.723
r_mcangle_it	2.052
r_mcbond_it	1.275
r_chiral_restr	0.15
r_bond_refined_d	0.021
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1911
Nucleic Acid Atoms
Solvent Atoms	150
Heterogen Atoms	57

Software

Software
Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.