3N05

CRYSTAL STRUCTURE OF NH3-DEPENDENT NAD+ SYNTHETASE FROM STREPTOMYCES AVERMITILIS

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	294	100MM MES, PH 6.0, 20% PEG8K, 200MM CALCIUM ACETATE MONOHYDRATE, 10% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.628	α = 90
b = 108.771	β = 90
c = 126.643	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	100	CCD	ADSC QUANTUM 315	MIRRORS	2009-11-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

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	2.35	40	97.2	0.089	6	4		58927		-5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.35	2.43	80.8		0.8	3.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.35	40	54655	1734	96.36	0.23334	0.23219	0.26842	RANDOM	80.8

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]
0.25			5.69		-5.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.8
r_dihedral_angle_3_deg	19.048
r_dihedral_angle_4_deg	17.589
r_scangle_it	9.389
r_scbond_it	6.474
r_dihedral_angle_1_deg	5.506
r_mcangle_it	4.519
r_mcbond_it	2.658
r_angle_refined_deg	1.168
r_chiral_restr	0.077
r_bond_refined_d	0.007
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8601
Nucleic Acid Atoms
Solvent Atoms	53
Heterogen Atoms	30

Software

Software
Software Name	Purpose
SHELX	model building
RESOLVE	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing
RESOLVE	phasing