Experiment: 2RIK

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TLK	trimmed poly-Ala model of 1TLK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	pH 4.6, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.686	α = 90
b = 86.294	β = 104.97
c = 44.698	γ = 90

Symmetry
Space Group	C 1 2 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	ADSC QUANTUM 210		2004-11-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9792	ESRF	ID29

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	1.6	19	99.4	0.057	15.25	4.57		41644		-3	25.981

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	1.6	1.62	87.9		0.395	3.5	3.75	1312

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	trimmed poly-Ala model of 1TLK	1.6	18.97	41644	1042		0.171	0.216	RANDOM	24.022

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]
1.11		0.8	-0.25		-0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.81
r_dihedral_angle_3_deg	13.083
r_dihedral_angle_4_deg	10.399
r_dihedral_angle_1_deg	5.997
r_scangle_it	4.36
r_scbond_it	2.861
r_mcangle_it	1.782
r_angle_refined_deg	1.507
r_mcbond_it	1.205
r_nbtor_refined	0.308

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.81
r_dihedral_angle_3_deg	13.083
r_dihedral_angle_4_deg	10.399
r_dihedral_angle_1_deg	5.997
r_scangle_it	4.36
r_scbond_it	2.861
r_mcangle_it	1.782
r_angle_refined_deg	1.507
r_mcbond_it	1.205
r_nbtor_refined	0.308
r_nbd_refined	0.218
r_symmetry_vdw_refined	0.206
r_symmetry_hbond_refined	0.169
r_xyhbond_nbd_refined	0.148
r_chiral_restr	0.116
r_bond_refined_d	0.013
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2191
Nucleic Acid Atoms
Solvent Atoms	479
Heterogen Atoms

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	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.