Experiment: 3ISG

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1M6K	PDB entry 1M6K

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	10% (v/v) PEG 8000, 50 mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.05	39.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.041	α = 90
b = 71.613	β = 99.18
c = 93.139	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		2008-07-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.1	APS	21-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	1.4	30	96.6	0.074	13.5	5.1		86546

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	1.4	1.45	88.1		0.293		2.9	7834

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1M6K	1.4	28.29	86509	4326	96.45	0.185	0.184	0.206	RANDOM	15.268

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]
0.12		0.25	-0.57		0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.853
r_dihedral_angle_4_deg	14.722
r_dihedral_angle_3_deg	11.882
r_dihedral_angle_1_deg	5.571
r_scangle_it	3.102
r_scbond_it	1.885
r_angle_refined_deg	1.365
r_mcangle_it	1.23
r_mcbond_it	0.664
r_nbtor_refined	0.333

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.853
r_dihedral_angle_4_deg	14.722
r_dihedral_angle_3_deg	11.882
r_dihedral_angle_1_deg	5.571
r_scangle_it	3.102
r_scbond_it	1.885
r_angle_refined_deg	1.365
r_mcangle_it	1.23
r_mcbond_it	0.664
r_nbtor_refined	0.333
r_nbd_refined	0.227
r_symmetry_vdw_refined	0.186
r_symmetry_hbond_refined	0.17
r_xyhbond_nbd_refined	0.127
r_chiral_restr	0.079
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3905
Nucleic Acid Atoms
Solvent Atoms	434
Heterogen Atoms	62

Software

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

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.