Experiment: 1SJW

Structure of polyketide cyclase SnoaL

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		SIRAS model built by ARP/WARP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	PEG4000, Tris HCl, Na Acetate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.1	α = 90
b = 72	β = 90
c = 65.4	γ = 90

Symmetry
Space Group	I 2 2 2

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 4r		2003-04-14	M	SINGLE WAVELENGTH
2	1		CCD	BRUKER SMART 1000		2002-11-26

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1
2	SYNCHROTRON	MAX II BEAMLINE I711	1.099	MAX II	I711

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	1.35	36.03	98.5	0.085	23.3	11.3		35447			16.57

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	1.35	1.42	98.5		0.485	3.4	8.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIRAS	Built by ARP/WARP	1.35	36.03	35948	35447	2764	95.72	0.143	0.204	0.176	0.2146	Random

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]
-0.44	-1.14	1.58

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
6	1101	1347.25

RMS Deviations
Key	Refinement Restraint Deviation
r_angle_refined_deg	1.15
r_bond_refined_d	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1169
Nucleic Acid Atoms
Solvent Atoms	125
Heterogen Atoms	28

Software

Software
Software Name	Purpose
SHELXL	refinement
MOSFLM	data reduction
CCP4	data scaling
ARP/wARP	model building