3CZX

The crystal structure of the putative N-acetylmuramoyl-L-alanine amidase from Neisseria meningitidis

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	289	0.1 M Na/K phosphate pH 6.2, 10% PEG 3000, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.955	α = 90
b = 65.039	β = 109.53
c = 79.319	γ = 90

Symmetry
Space Group	P 1 21 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 315	Mirrors	2006-02-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID

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	74.74	96.2	0.086	16.08	4.4	81655	78552		2	12.8

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)
	1.6	1.642	87		0.305	2.55	3.4	6302

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.6	74.74	78552	78552	4146	96.2	0.18201	0.18201	0.18011	0.21779	RANDOM	12.763

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]
1.27		1.01	-0.8		0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.949
r_dihedral_angle_4_deg	18.724
r_dihedral_angle_3_deg	13.574
r_dihedral_angle_1_deg	5.656
r_scangle_it	3.599
r_scbond_it	2.647
r_mcangle_it	1.487
r_angle_refined_deg	1.444
r_mcbond_it	1.322
r_angle_other_deg	0.933
r_mcbond_other	0.275
r_symmetry_vdw_other	0.227
r_nbd_refined	0.22
r_nbd_other	0.201
r_nbtor_refined	0.174
r_symmetry_hbond_refined	0.171
r_xyhbond_nbd_refined	0.162
r_symmetry_vdw_refined	0.123
r_chiral_restr	0.09
r_nbtor_other	0.084
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5429
Nucleic Acid Atoms
Solvent Atoms	797
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling