1A7T

METALLO-BETA-LACTAMASE WITH MES

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.1		PROTEIN WAS CRYSTALLIZED FROM 20% PEG 4000, 100 MM POTASSIUM ACETATE, 100 MM MES, PH 6.1

Crystal Properties
Matthews coefficient	Solvent content
1.88	34.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.27	α = 90
b = 66.96	β = 103.77
c = 69.48	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	293	AREA DETECTOR	SIEMENS		1996-02-05	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.85	100	91.3	0.032	0.032	42.8	2.06		29508		1

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)
	1.85	1.97	73.9		0.074	0.074	6.7	1.47

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MIR	1.85	10	1	29267		91.3	0.151		15.8

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
p_transverse_tor	22
p_staggered_tor	15.5
p_planar_tor	2.9
p_scangle_it	2.399
p_mcangle_it	1.534
p_scbond_it	1.454
p_mcbond_it	0.96
p_singtor_nbd	0.203
p_multtor_nbd	0.201
p_xyhbond_nbd	0.199
p_chiral_restr	0.166
p_planar_d	0.037
p_angle_d	0.035
p_bond_d	0.018
p_plane_restr	0.017
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3855
Nucleic Acid Atoms
Solvent Atoms	337
Heterogen Atoms	30

Software

Software
Software Name	Purpose
PHASES	phasing
PROLSQ	refinement
XENGEN	data reduction
XENGEN	data scaling