2NUO

Crystal structure of a complex of griffithsin with glucose

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2GUC	PDB ENTRY 2guc

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	1.2M magnesium sulfate, 0.1M MES, 1:10 ratio of griffithsin monomers to glucose, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.49	α = 90
b = 53.67	β = 90
c = 103.83	γ = 90

Symmetry
Space Group	P 21 21 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	MARMOSAIC 300 mm CCD		2006-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

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	1.5	50	89.6	0.08			30820	30820		-3

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	1.5	1.55	97.3

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	PDB ENTRY 2guc	1.5	30	30820	29215	1559	89.21	0.1571	0.1571	0.15458	0.20347	RANDOM	8.775

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			-0.28		0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.772
r_dihedral_angle_4_deg	20.979
r_dihedral_angle_3_deg	15.598
r_dihedral_angle_1_deg	7.316
r_scangle_it	4.427
r_angle_other_deg	3.929
r_scbond_it	3.44
r_angle_refined_deg	2.096
r_mcangle_it	1.949
r_mcbond_it	1.646
r_mcbond_other	0.357
r_symmetry_vdw_other	0.356
r_symmetry_hbond_refined	0.33
r_nbd_refined	0.238
r_chiral_restr	0.23
r_nbd_other	0.213
r_xyhbond_nbd_refined	0.194
r_nbtor_refined	0.182
r_symmetry_vdw_refined	0.167
r_nbtor_other	0.103
r_bond_refined_d	0.021
r_bond_other_d	0.01
r_gen_planes_refined	0.01
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1798
Nucleic Acid Atoms
Solvent Atoms	288
Heterogen Atoms	81

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing