Experiment: 1XFF

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	295	0.1 M cacodylate, 1 M sodium acetate, 20% PEG 4000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.38	α = 90
b = 82.52	β = 90
c = 86.05	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	295	IMAGE PLATE	MARRESEARCH	MIRROR	1993-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.99	EMBL/DESY, HAMBURG	X11

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	1.8	24	99.9	0.062	14.4	5.2		47043		-3	18.3

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)
	1.8	1.82	97.1		0.283	3	4.2

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	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	none used	1GPH	1.8	20	47018	47018		99.8	0.1611	0.1611	0.161		25.5

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]
0.98			-0.64		-0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.769
r_scangle_it	12.577
r_dihedral_angle_1_deg	11.454
r_scbond_it	9.906
r_mcangle_it	6.945
r_mcbond_it	4.496
r_angle_refined_deg	1.728
r_nbtor_refined	0.326
r_symmetry_vdw_refined	0.31
r_nbd_refined	0.239

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.769
r_scangle_it	12.577
r_dihedral_angle_1_deg	11.454
r_scbond_it	9.906
r_mcangle_it	6.945
r_mcbond_it	4.496
r_angle_refined_deg	1.728
r_nbtor_refined	0.326
r_symmetry_vdw_refined	0.31
r_nbd_refined	0.239
r_symmetry_hbond_refined	0.139
r_xyhbond_nbd_refined	0.133
r_chiral_restr	0.121
r_bond_refined_d	0.015
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3746
Nucleic Acid Atoms
Solvent Atoms	283
Heterogen Atoms	26

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement

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.