3A07 | pdb_00003a07

Crystal Structure of Actinohivin; Potent anti-HIV Protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	2-ethoxyehanol, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.346	α = 90
b = 51.633	β = 90
c = 175.296	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC QUANTUM 315		2007-12-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.07117	Photon Factory	BL-5A

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	1.19	50	97.2	0.089	33.565	8.6		67499			8.4

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	1.19	1.23	84.3		0.294	2.66	4.4	5777

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.19	27.3	67142	3404	96.75	0.15	0.149	0.1584	0.163	0.1719	RANDOM	9.553

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]
0.45			-0.19		-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.009
r_dihedral_angle_4_deg	13.617
r_dihedral_angle_3_deg	10.813
r_dihedral_angle_1_deg	5.898
r_scangle_it	3.713
r_scbond_it	2.601
r_angle_refined_deg	2.223
r_mcangle_it	1.876
r_mcbond_it	1.192
r_chiral_restr	0.154
r_bond_refined_d	0.029
r_gen_planes_refined	0.019

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1823
Nucleic Acid Atoms
Solvent Atoms	317
Heterogen Atoms	6

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction