6IGP

Crystal structure of S9 peptidase (inactive state)from Deinococcus radiodurans R1 in P212121

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	5.31	294	50mM Tris-Cl pH 8.5, 200mM ammonium-citrate, 10mM calcium chloride, 14 % PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.857	α = 90
b = 130.492	β = 90
c = 194.973	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	MARMOSAIC 225 mm CCD	mirrors	2015-09-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	RRCAT INDUS-2 BEAMLINE PX-BL21	0.97947	RRCAT INDUS-2	PX-BL21

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.4	48.74	100	0.156	0.165	0.052	0.998	14.9	10		119902			26.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.44	100		0.865	0.912	0.288	0.876	3	10

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	MOLECULAR REPLACEMENT	FREE R-VALUE	5YZM	2.4	48.74	1.33	119705	5987	99.9	0.1866	0.1849	0.2169	Random selection	32

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	3.698
f_angle_d	0.877
f_chiral_restr	0.056
f_bond_d	0.006
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	17926
Nucleic Acid Atoms
Solvent Atoms	960
Heterogen Atoms	24

Software

Software
Software Name	Purpose
PHENIX	refinement
Coot	model building
PHASER	phasing
Aimless	data scaling
XDS	data reduction
MAR345dtb	data collection

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.