Experiment: 1T64

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1C3R	PDB entry 1C3R

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.7	277	PEG 8000, calcium acetate, imidazole, pH 6.7, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.014	α = 90
b = 81.014	β = 90
c = 114.178	γ = 90

Symmetry
Space Group	P 43

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 4	mirrors	2001-02-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	1.0	ALS	5.0.3

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	1.9	81	99.31	0.058	0.058	23.8	4.5	54925	54547			18

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)
1	1.9	1.95	99		0.54	0.544	2.5	3.7	3991

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 1C3R	1.9	81.65	54925	54547	2908	99.31	0.174	0.172	0.17197	0.22087	RANDOM	18.006

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]
-0.65			-0.65		1.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.355
r_scangle_it	2.367
r_scbond_it	1.497
r_angle_refined_deg	1.272
r_mcangle_it	0.864
r_mcbond_it	0.471
r_nbd_refined	0.2
r_symmetry_hbond_refined	0.178
r_symmetry_vdw_refined	0.162
r_xyhbond_nbd_refined	0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.355
r_scangle_it	2.367
r_scbond_it	1.497
r_angle_refined_deg	1.272
r_mcangle_it	0.864
r_mcbond_it	0.471
r_nbd_refined	0.2
r_symmetry_hbond_refined	0.178
r_symmetry_vdw_refined	0.162
r_xyhbond_nbd_refined	0.14
r_metal_ion_refined	0.099
r_chiral_restr	0.096
r_gen_planes_other	0.015
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5608
Nucleic Acid Atoms
Solvent Atoms	684
Heterogen Atoms	98

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	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.