2EK8

Aminopeptidase from Aneurinibacillus sp. strain AM-1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.8	299	13% PEG 8000, 0.1M MES-NaOH, 0.2M Zinc acetate, pH 5.8, VAPOR DIFFUSION, temperature 299K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.624	α = 90
b = 68.618	β = 90
c = 76.841	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	93	IMAGE PLATE	RIGAKU RAXIS VII		2006-07-06
2	1	x-ray	100	CCD	ADSC QUANTUM 315			M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418
2	SYNCHROTRON	SPRING-8 BEAMLINE BL44B2	0.9792, 0.9788, 0.9639	SPring-8	BL44B2

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
2	1.8	19.9	98.7	0.058	31.2	10.6		45919			18.5

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)
2	1.8	1.9	97.1		0.336	6.1	10.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	1.8	19.85	45812	2292	98.2	0.213	0.213	0.238	RANDOM	28.1

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			-0.19		0.25

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.6
c_scangle_it	2.68
c_scbond_it	2.01
c_mcangle_it	1.54
c_angle_deg	1.1
c_mcbond_it	0.96
c_improper_angle_d	0.77
c_bond_d	0.005
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3119
Nucleic Acid Atoms
Solvent Atoms	517
Heterogen Atoms	10

Software

Software
Software Name	Purpose
CNS	refinement
CrystalClear	data collection
MOSFLM	data reduction
SCALA	data scaling
SOLVE	phasing