Experiment: 4O29

PROTEIN-L-ISOASPARTATE O-METHYLTRANSFERASE from Pyrobaculum aerophilum in COMPLEX WITH S-ADENOSYL-L-HOMOCYSTEINE

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1JG1	PDB ENTRY 1JG1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	70% MPD, 0.1M HEPES pH 7.5, vapor diffusion, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.85	33.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.72	α = 90
b = 35.67	β = 100.31
c = 66.29	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	100	CCD	ADSC QUANTUM 4		1999-04-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	0.9789	NSLS	X8C

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	2.9	65.22	98.9	0.171	7.99	6.1	3881	3881		-3	78.84

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	2.9	2.97	88.9		0.651	1.79

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1JG1	2.9	65.22	3878	3878	351	99.11	0.2149	0.2149	0.2102	0.2264	0.2609	0.2804	RANDOM	64.6522

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]
-19.0392		-5.7532	16.6706		2.3686

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_d	1.758
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1607
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms	26

Software

Software
Software Name	Purpose
XSCALE	data scaling
EPMR	phasing
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
BUSTER	refinement