1QF7

STRUCTURE OF THE MUTANT HIS392GLN OF CATALASE HPII FROM E. COLI

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		pH 9

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.4	α = 90
b = 132.92	β = 109.47
c = 121.67	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	IMAGE PLATE			1998-10-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.12	20	96.6	0.08	0.09	10.4	3		137604		2	13.63

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.12	2.2	95		0.21	0.25	5.1	2.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	PDB ENTRY 1IPH	2.2	20	137582		96.6	0.144	0.21	RANDOM	13.55

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]
-4.45	-0.72			5.165	1.056

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	31.3
p_staggered_tor	16.1
p_planar_tor	5.1
p_scangle_it	5.065
p_scbond_it	4.155
p_mcangle_it	3.073
p_mcbond_it	2.682
p_multtor_nbd	0.25
p_singtor_nbd	0.184
p_xyhbond_nbd	0.176
p_chiral_restr	0.153
p_planar_d	0.04
p_angle_d	0.038
p_bond_d	0.015
p_plane_restr	0.014
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	22976
Nucleic Acid Atoms
Solvent Atoms	2679
Heterogen Atoms	172

Software

Software
Software Name	Purpose
CCP4	model building
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
CCP4	phasing