2BWY

Glu383Ala Escherichia coli Aminopeptidase P

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BHC	PDB ENTRY 2BHC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	SITTING DROP VAPOUR DIFFUSION AT 4C. 2 UL 17 MG/ML APPRO PLUS 2 UL RESERVOIR SOLUTION: 30% MPD, 0.1 M CITRATE PH 7.5, 0.2 M MGACETATE. SOAKED IN RESERVOIR SOLUTION SUPPLEMENTED WITH 1 MM MNCL2 FOR 45 MIN AT 4C PRIOR TO CRYOCOOLING.

Crystal Properties
Matthews coefficient	Solvent content
5.6	77.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 138.578	α = 90
b = 138.578	β = 90
c = 231.389	γ = 90

Symmetry
Space Group	I 41 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH	OSMIC MIRRORS	2005-05-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200H

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	2.4	60	94.1	0.11	13.9	5.9		41368		6	40.42

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	2.4	2.53	91.3		0.55	2.5	4.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2BHC	2.4	119.52	39342	2026	93.5	0.174	0.172	0.207	RANDOM	38.44

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]
1.09			1.09		-2.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.002
r_dihedral_angle_4_deg	15.65
r_dihedral_angle_3_deg	12.88
r_dihedral_angle_1_deg	5.909
r_scangle_it	2.985
r_scbond_it	1.887
r_mcangle_it	1.219
r_angle_refined_deg	1.178
r_mcbond_it	0.819
r_angle_other_deg	0.755
r_symmetry_vdw_other	0.255
r_symmetry_vdw_refined	0.244
r_nbd_refined	0.195
r_nbtor_refined	0.172
r_nbd_other	0.17
r_symmetry_hbond_refined	0.138
r_xyhbond_nbd_refined	0.13
r_nbtor_other	0.08
r_chiral_restr	0.064
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3483
Nucleic Acid Atoms
Solvent Atoms	187
Heterogen Atoms	21

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALEPACK	data scaling