8PRN

E1M, K50A, R52A, D97A, E99A MUTANT OF RH. BLASTICA PORIN

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		pH 7.2

Crystal Properties
Matthews coefficient	Solvent content
4.26	66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.75	α = 90
b = 103.75	β = 90
c = 124.95	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	AREA DETECTOR	SIEMENS		1996-12-12	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.9	12.8	85.7	0.038	0.038	15.9	2.5		34853			30.3

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	1.9	1.97	51		0.19	0.19	2.5	1.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE FOURIER	THROUGHOUT	PDB ENTRY 1PRN	2.3	25.9	1	20686	2095	92.9	0.177	0.215	SAME AS WILD-TYPE	32.7

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
p_staggered_tor	19.4
p_transverse_tor	18.6
p_planar_tor	4.1
p_scangle_it	3.967
p_scbond_it	2.674
p_mcangle_it	1.739
p_mcbond_it	1.35
p_multtor_nbd	0.249
p_singtor_nbd	0.186
p_hb_or_metal_coord	0.174
p_xyhbond_nbd	0.174
p_chiral_restr	0.159
p_planar_d	0.047
p_angle_d	0.036
p_plane_restr	0.0197
p_bond_d	0.018
p_angle_deg
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2146
Nucleic Acid Atoms
Solvent Atoms	98
Heterogen Atoms	63

Software

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