Experiment: 3IA7

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		277	Protein Solution (10 mg/ml CalG4 Protein, 0.05 M NaCl, 0.005 M Tris pH 8) mixed in a 1:1 ratio with the Well Solution (19% PEG4K, 0.08 M CaCl2, 0.1 M CHES pH 9.5) Cryoprotected with 25% ethylene glycol, 19% PEG4K, 0.08 M CaCl2, 0.1 M CHES pH 9.5, vapor diffusion, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.749	α = 90
b = 66.966	β = 93.53
c = 86.616	γ = 90

Symmetry
Space Group	P 1 21 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	MARMOSAIC 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2008-07-31	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97945, 0.96421	APS	23-ID-D

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	1.91	50	98.4	0.074	11.8	7.2		74332

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	1.91	1.98	84.6		0.451		4.4	6358

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	MAD	THROUGHOUT	1.91	45.64	74257	3745	98.96	0.256	0.253	0.301	RANDOM	21.459

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]
-0.05		0.04	0.07		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.114
r_dihedral_angle_4_deg	19.046
r_dihedral_angle_3_deg	13.357
r_dihedral_angle_1_deg	5.901
r_scangle_it	3.643
r_scbond_it	2.423
r_angle_refined_deg	1.567
r_mcangle_it	1.565
r_mcbond_it	0.947
r_chiral_restr	0.111

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.114
r_dihedral_angle_4_deg	19.046
r_dihedral_angle_3_deg	13.357
r_dihedral_angle_1_deg	5.901
r_scangle_it	3.643
r_scbond_it	2.423
r_angle_refined_deg	1.567
r_mcangle_it	1.565
r_mcbond_it	0.947
r_chiral_restr	0.111
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6090
Nucleic Acid Atoms
Solvent Atoms	437
Heterogen Atoms	3

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.