1BS7

PEPTIDE DEFORMYLASE AS NI2+ CONTAINING FORM

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.4		SEE: D.GROCHE,A.BECKER,I.SCHLICHTING,W.KABSCH, S.SCHULTZ,A.F.V.WAGNER (1998) BIOCHEM.BIOPHYS.RES.COMM. 246, 342, pH 7.4

Crystal Properties
Matthews coefficient	Solvent content
2.82	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 143.4	α = 90
b = 64	β = 123
c = 84.5	γ = 90

Symmetry
Space Group	C 1 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	293	AREA DETECTOR	SIEMENS-NICOLET X100	FRANCKS DUBBLE-MIRROR OPTICS	1997-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-18

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	2.5	20	97.2	0.086	13.3	4.1		21929			44.9

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)
	2.5	2.64	94.4		0.329	2.42	3.6

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	1ICJ	2.5	6	19733	1973	97.5	0.203	0.203	0.272	RANDOM	37.9

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
x_dihedral_angle_d	26.1
x_scangle_it	4.24
x_scbond_it	2.72
x_mcangle_it	2.47
x_improper_angle_d	2.27
x_mcbond_it	1.49
x_angle_deg	1.3
x_bond_d	0.013
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4038
Nucleic Acid Atoms
Solvent Atoms	128
Heterogen Atoms	16

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
XDS	data reduction
XSCALE	data scaling
X-PLOR	phasing