Experiment: 1SWH

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1PTS	PDB ENTRY 1PTS, A SECOND DIMER WAS CONSTRUCTED USING THE TWO-FOLD AXIS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		pH 4.5

Crystal Properties
Matthews coefficient	Solvent content
2.22	44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.3	α = 90
b = 86.7	β = 98.8
c = 46.9	γ = 90

Symmetry
Space Group	P 1 21 1

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	RIGAKU RAXIS II	MSC MIRRORS	1994-03-16	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.9	48.03	81	0.04	10.2			31526		1

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)
	1.9	2	47		0.118	3.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	RFREE	PDB ENTRY 1PTS, A SECOND DIMER WAS CONSTRUCTED USING THE TWO-FOLD AXIS	1.7	10	31526	3158	62	0.166	0.164		0.244	EVERY 10TH REFLECTION

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
	3243	3653

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.133
s_non_zero_chiral_vol	0.099
s_zero_chiral_vol	0.097
s_angle_d	0.025
s_anti_bump_dis_restr	0.024
s_from_restr_planes	0.018
s_bond_d	0.006
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3446
Nucleic Acid Atoms
Solvent Atoms	199
Heterogen Atoms

Software

Software
Software Name	Purpose
SHELXL-97	model building
X-PLOR	model building
SHELXL-97	refinement
X-PLOR	refinement
PROCESS	data reduction
PROCESS	data scaling
SHELXL-97	phasing
X-PLOR	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.