3PX8

RTA in complex with 7-carboxy-pterin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop	8.9	277	4.1% PEG 8000, 75 mM Bicine pH 8.9, 10 mM 2-mercaptoethanol, 1 mM EDTA, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.662	α = 90
b = 67.567	β = 112.78
c = 49.41	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	100	CCD	ADSC QUANTUM 315		2010-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3	0.9765	ALS	5.0.3

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	1.29	50	95.4	0.042	12.8	3.7		61978

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	1.29	1.31	91.2		0.276		3.6	2952

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.29	45.56	61936	3129	95.31	0.2076	0.2063	0.2332	RANDOM	15.982

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]
-0.25		-0.3	-0.51		0.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.917
r_dihedral_angle_4_deg	21.319
r_dihedral_angle_3_deg	11.327
r_dihedral_angle_1_deg	5.389
r_scangle_it	4.374
r_scbond_it	3.026
r_angle_refined_deg	2.283
r_mcangle_it	2.143
r_mcbond_it	1.303
r_chiral_restr	0.146
r_bond_refined_d	0.029
r_gen_planes_refined	0.017

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2041
Nucleic Acid Atoms
Solvent Atoms	116
Heterogen Atoms	15

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
HKL-2000	data scaling