3S0Q

Peptidase module of the peptidoglycan hydrolase RipA (Rv1477) from Mycobacterium tuberculosis, catalytic site mutant (Cys383Ala) at 1.45 resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	35% PEG400, 0.2M LiSO4, Tris-HCl pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.82	32.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.83	α = 90
b = 65.85	β = 90
c = 68.01	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	MAR CCD 165 mm	Multilayer mirror, curved to focus in the vertical (R = 400 m).	2011-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I911-2	1.03873	MAX II	I911-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.45	18.67	99.1	0.068	0.068	15.1	4.8	30245	29973	4	4	10.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.45	1.53	94.4		0.375	0.375	4	4.6	4098

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	THROUGHOUT	1.45	18.57	4	29973	28377	1537	99.4	0.15296	0.15159	0.17827	RANDOM	7.543

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]
0.06			0.2		-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.644
r_dihedral_angle_3_deg	9.935
r_dihedral_angle_4_deg	8.27
r_dihedral_angle_1_deg	6.288
r_scangle_it	3.377
r_scbond_it	2.1
r_angle_refined_deg	1.498
r_mcangle_it	1.455
r_angle_other_deg	0.911
r_mcbond_it	0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.644
r_dihedral_angle_3_deg	9.935
r_dihedral_angle_4_deg	8.27
r_dihedral_angle_1_deg	6.288
r_scangle_it	3.377
r_scbond_it	2.1
r_angle_refined_deg	1.498
r_mcangle_it	1.455
r_angle_other_deg	0.911
r_mcbond_it	0.86
r_mcbond_other	0.241
r_chiral_restr	0.088
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1542
Nucleic Acid Atoms
Solvent Atoms	244
Heterogen Atoms

Software

Software
Software Name	Purpose
MAR345dtb	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

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 R01GM157729.