2PIC

E. coli lytic transglycosylase MltA-D308A in apo-2 form

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	298	0.25-0.35M NaCl, 10mM magnesium chloride, 100mM sodium acetate buffer, pH 4.2, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.22	61.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.9	α = 90
b = 80.9	β = 90
c = 130.3	γ = 120

Symmetry
Space Group	P 31 2 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	ADSC QUANTUM 4			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.934	ESRF	ID14-1

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	2.25	30	93.9	0.063	21.5	3.6	22884	22884	1	1

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	2.25	2.33	66		0.34			1584

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	PDB ENTRY 2AE0	2.25	30	22709	22709	1155	94.59	0.206	0.206	0.203	0.263	RANDOM	49.472

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]
1.25	0.62		1.25		-1.87

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	10.065
r_scbond_it	7.322
r_mcangle_it	5.03
r_mcbond_it	3.278
r_dihedral_angle_1_deg	1.397
r_angle_refined_deg	1.135
r_symmetry_vdw_refined	0.194
r_nbd_refined	0.19
r_xyhbond_nbd_refined	0.113
r_chiral_restr	0.105
r_symmetry_hbond_refined	0.062
r_bond_refined_d	0.005
r_gen_planes_refined	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2640
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ProDC	data collection
MOLREP	phasing