Experiment: 2FFA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MT0	PDB entry 1MT0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	277	100 mM Tris, 10% PEG 6000, 5% MPD, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 180.156	α = 90
b = 34.77	β = 98.58
c = 38.1	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	MARRESEARCH		2003-01-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MPG/DESY, HAMBURG BEAMLINE BW6	1.05	MPG/DESY, HAMBURG	BW6

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.7	20	99.2	0.062	26	12.2		24609	3.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.76	88.5		0.163	3.2

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 1MT0	1.7	20	24609	1276	99.21	0.20683	0.20511	0.24033	RANDOM	25.059

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]
-0.67		-1.87	-0.61		0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.147
r_scangle_it	4.813
r_scbond_it	2.945
r_mcangle_it	2.08
r_angle_refined_deg	1.574
r_mcbond_it	1.117
r_symmetry_hbond_refined	0.229
r_nbd_refined	0.216
r_symmetry_vdw_refined	0.205
r_xyhbond_nbd_refined	0.142

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.147
r_scangle_it	4.813
r_scbond_it	2.945
r_mcangle_it	2.08
r_angle_refined_deg	1.574
r_mcbond_it	1.117
r_symmetry_hbond_refined	0.229
r_nbd_refined	0.216
r_symmetry_vdw_refined	0.205
r_xyhbond_nbd_refined	0.142
r_chiral_restr	0.113
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1907
Nucleic Acid Atoms
Solvent Atoms	243
Heterogen Atoms	35

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	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.