Experiment: 4B5T

Crystal structures of divalent metal dependent pyruvate aldolase, HpaI, in complex with ketobutyrate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2V5J	PDB ENTRY 2V5J

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				0.5 M AMMONIUM DIHYDROGEN PHOSPHATE, 30% GLYCEROL, 2 MM COCL2 PH 5

Crystal Properties
Matthews coefficient	Solvent content
4.06	69.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 151.327	α = 90
b = 151.327	β = 90
c = 151.327	γ = 90

Symmetry
Space Group	P 21 3

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			M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25		NSLS	X25

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	1.92	47.8	99.7	0.03	12.9	23.6		87457		1	26.66

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	1.92	2.03	98.1		0.24	2.8	4.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MAD	PDB ENTRY 2V5J	1.923	37.832	1.34	87389	8713	99.92	0.1579	0.1549	0.1591	0.1856	0.1889	32.4

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
f_dihedral_angle_d	15.852
f_angle_d	1.324
f_chiral_restr	0.075
f_bond_d	0.011
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3800
Nucleic Acid Atoms
Solvent Atoms	815
Heterogen Atoms	36

Software

Software
Software Name	Purpose
PHENIX	refinement
PHENIX	phasing