1S09

Crystal Structure of the Y144F Mutant of 7,8-Diaminopelargonic Acid Synthase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	294	PEG4000, MPD, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.353	α = 90
b = 55.513	β = 96.95
c = 120.727	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	100	CCD	MARRESEARCH		2002-09-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711	1.13	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	1.83	20	99.2	0.052	17.1	3.8	68200	67655			22.1

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)
	1.83	1.93	94.8		0.216	5.2	3.6

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	FOURIER SYNTHESIS	THROUGHOUT	wild-type dimer	1.83	19.96	64168	64168	3411	99.95	0.183	0.18202	0.181	0.20493	RANDOM	21.937

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]
-1.19		0.36	2.13		-0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	17.811
r_dihedral_angle_1_deg	3.723
r_scangle_it	2.453
r_scbond_it	1.498
r_angle_refined_deg	1.355
r_angle_other_deg	1.075
r_mcangle_it	0.946
r_mcbond_it	0.502
r_symmetry_hbond_refined	0.392
r_symmetry_vdw_refined	0.278
r_symmetry_vdw_other	0.262
r_nbd_refined	0.261
r_nbd_other	0.209
r_xyhbond_nbd_refined	0.184
r_xyhbond_nbd_other	0.14
r_nbtor_other	0.106
r_chiral_restr	0.095
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6672
Nucleic Acid Atoms
Solvent Atoms	572
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
SFALL	phasing