4ITX

P113S mutant of E. coli Cystathionine beta-lyase MetC inhibited by reaction with L-Ala-P

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1CL1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.2	293	20% PEG400, 0.15M CACL2, 0.1 M HEPES/NAOH (PH 8.2), VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2	38.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.97	α = 90
b = 153.126	β = 90
c = 150.835	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	MAR scanner 345 mm plate	osmic	2011-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.61	19.4	99.9		11.6	89828	89828

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.61	1.69	93.7			9.7

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1CL1	1.61	19.4	81153	81153	4280	95.42	0.16325	0.16325	0.16154	0.19532	RANDOM	11.541

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]
0.05			-0.04		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.111
r_dihedral_angle_4_deg	24.257
r_dihedral_angle_3_deg	12.366
r_dihedral_angle_1_deg	6.639
r_scangle_it	4.339
r_scbond_it	2.884
r_angle_refined_deg	2.02
r_mcangle_it	1.879
r_mcbond_it	1.251
r_angle_other_deg	1.149
r_mcbond_other	0.47
r_chiral_restr	0.209
r_bond_refined_d	0.026
r_gen_planes_refined	0.011
r_gen_planes_other	0.003
r_bond_other_d	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5996
Nucleic Acid Atoms
Solvent Atoms	503
Heterogen Atoms	46

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling