Experiment: 5AHE

Crystal structure of Salmonella enterica HisA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4GJ1	A MUTANT SALMONELLA ENTERICA HISA WAS USED, WHICH IN TURN HAD BEEN SOLVED USING 4GJ1 AS SEARCH MODEL.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		PROTEIN WAS CRYSTALLIZED IN 0.1 M HEPES PH 7.5, 0.8 M NAH2PO4 AND 0.8 M KH2PO4.

Crystal Properties
Matthews coefficient	Solvent content
2.38	49.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.769	α = 90
b = 86.769	β = 90
c = 121.53	γ = 120

Symmetry
Space Group	P 61 2 2

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	MARRESEARCH CHESS	PT COATED SI MIRRORS	2013-04-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2		ESRF	ID23-2

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	1.7	47.25	100	0.1	21.81	19.1		30376		2.82	21.08

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	1.7	1.75	100		1.27	2.82	19.1

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	MOLECULAR REPLACEMENT	A MUTANT SALMONELLA ENTERICA HISA WAS USED, WHICH IN TURN HAD BEEN SOLVED USING 4GJ1 AS SEARCH MODEL.	1.7	47.25	1.34	30375	1520	99.98	0.1758	0.1742	0.1822	0.2062	0.2095	25.94

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	12.651
f_angle_d	1.105
f_chiral_restr	0.052
f_bond_d	0.008
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1732
Nucleic Acid Atoms
Solvent Atoms	115
Heterogen Atoms	43

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing