4P6A

Crystal structure of a potent anti-HIV lectin actinohivin in complex with alpha-1,2-mannotriose

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	298	3% PEG400, 0.1 M sodium/potassium phosphate, pH 6.2, 0.8 M ammonium sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.66	53.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.97	α = 90
b = 27.23	β = 119.79
c = 56.91	γ = 90

Symmetry
Space Group	C 1 2 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	CCD	ADSC QUANTUM 210r		2012-05-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1.00	Photon Factory	AR-NW12A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	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	1.398	49.389	96.3	0.086	0.1	0.052	10.7	3.7	25397	25397

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.398	1.47	94.1		0.181	0.181	0.108	4	3.8	3571

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	1.398	21.69	25396	2556	95.84	0.1437	0.1408	0.1692	RANDOM	12.875

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]
-0.27		-0.11	0.64		-0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.02
r_dihedral_angle_4_deg	12.797
r_dihedral_angle_3_deg	10.787
r_dihedral_angle_1_deg	6.274
r_angle_refined_deg	2.235
r_angle_other_deg	0.909
r_chiral_restr	0.113
r_bond_refined_d	0.019
r_gen_planes_refined	0.011
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.02
r_dihedral_angle_4_deg	12.797
r_dihedral_angle_3_deg	10.787
r_dihedral_angle_1_deg	6.274
r_angle_refined_deg	2.235
r_angle_other_deg	0.909
r_chiral_restr	0.113
r_bond_refined_d	0.019
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	886
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	204

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction

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.