Experiment: 2IGQ

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	300	20% PEG 4K, 10% Isoproponol, 0.1M Hepes 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.52	α = 90
b = 95.863	β = 90
c = 102.124	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	ADSC QUANTUM 315		2006-09-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1	NSLS	X25

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2	69.84	92.6	0.096	0.096	8.8	3.7	44160	44160			28.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.07	83.2		0.584	0.58	1.3	2	4115

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 1mvh	2	42.11	44160	44160	2365	92.34	0.19121	0.19121	0.18866	0.23714	RANDOM	33.145

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]
1.4			-1.61		0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.748
r_dihedral_angle_4_deg	20.055
r_dihedral_angle_3_deg	14.682
r_dihedral_angle_1_deg	6.527
r_scangle_it	3.489
r_scbond_it	2.27
r_angle_refined_deg	1.533
r_mcangle_it	1.506
r_mcbond_it	0.952
r_nbtor_refined	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.748
r_dihedral_angle_4_deg	20.055
r_dihedral_angle_3_deg	14.682
r_dihedral_angle_1_deg	6.527
r_scangle_it	3.489
r_scbond_it	2.27
r_angle_refined_deg	1.533
r_mcangle_it	1.506
r_mcbond_it	0.952
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.222
r_nbd_refined	0.193
r_xyhbond_nbd_refined	0.167
r_symmetry_vdw_refined	0.123
r_chiral_restr	0.103
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4082
Nucleic Acid Atoms
Solvent Atoms	566
Heterogen Atoms	60

Software

Software
Software Name	Purpose
REFMAC	refinement
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing

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.