2EVR

CRYSTAL STRUCTURE OF A PUTATIVE GAMMA-D-GLUTAMYL-L-DIAMINO ACID ENDOPEPTIDASE (NPUN_R0659) FROM NOSTOC PUNCTIFORME PCC 73102 AT 1.60 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP		277	2.0M NaCl, 10.0% PEG-6000, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.19	61.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.47	α = 90
b = 90.47	β = 90
c = 93.81	γ = 90

Symmetry
Space Group	P 41 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 210		2005-09-28	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.0163, 0.9797	ALS	8.2.1

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	1.6	28.71	97	0.115	9.36	4.31		51615

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	1.6	1.66	90	90	0.821	2.15	3.33

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 (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.6	28.71	48970	2624	99.41	0.16	0.159	0.176	RANDOM	20.031

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]
-0.12			-0.12		0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.234
r_dihedral_angle_4_deg	15.317
r_dihedral_angle_3_deg	11.752
r_scangle_it	6.192
r_dihedral_angle_1_deg	5.766
r_scbond_it	4.409
r_mcangle_it	3.153
r_mcbond_it	1.817
r_angle_refined_deg	1.508
r_angle_other_deg	0.818
r_mcbond_other	0.498
r_symmetry_vdw_refined	0.267
r_symmetry_vdw_other	0.241
r_metal_ion_refined	0.231
r_nbd_refined	0.219
r_nbtor_refined	0.189
r_symmetry_hbond_refined	0.189
r_xyhbond_nbd_refined	0.182
r_nbd_other	0.18
r_chiral_restr	0.097
r_nbtor_other	0.09
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1714
Nucleic Acid Atoms
Solvent Atoms	290
Heterogen Atoms	22

Software

Software
Software Name	Purpose
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing