1S0A

Crystal Structure of the Y17F 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
2.06	40.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.508	α = 90
b = 55.659	β = 97.04
c = 121.396	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	1.71	20	97.2	0.096	11.5	4	83943	81593			22

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)
	1.71	1.8	90.7		0.408	2.6	3.9

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	MOLECULAR REPLACEMENT	THROUGHOUT	wild-type dimer	1.71	19.92	77492	77492	4065	98.77	0.19	0.18692	0.18592	0.20557	RANDOM	21.231

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		0.44	1.74		-0.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.39
r_dihedral_angle_1_deg	3.687
r_scangle_it	2.307
r_scbond_it	1.417
r_angle_refined_deg	1.362
r_angle_other_deg	1.155
r_mcangle_it	0.944
r_symmetry_hbond_refined	0.51
r_mcbond_it	0.509
r_symmetry_vdw_refined	0.402
r_symmetry_vdw_other	0.306
r_nbtor_other	0.303
r_nbd_refined	0.262
r_nbd_other	0.21
r_xyhbond_nbd_refined	0.168
r_xyhbond_nbd_other	0.092
r_chiral_restr	0.09
r_bond_refined_d	0.011
r_gen_planes_other	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6696
Nucleic Acid Atoms
Solvent Atoms	660
Heterogen Atoms	2

Software

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