2PRN

RHODOPSEUDOMONAS BLASTICA PORIN, TRIPLE MUTANT E1M, E99W, A116W

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		7.8		pH 7.8

Crystal Properties
Matthews coefficient	Solvent content
4.22	66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.26	α = 90
b = 104.26	β = 90
c = 124.15	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		1996-11-12	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	1.93	32.9	81.5	0.039	0.039	14.4	2.4		31332			20.4

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	1.93	2	52		0.189	0.189	2.2	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	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE FOURIER	THROUGHOUT	PDB ENTRY 1PRN	1.93	32.9	1	31264	3135	81.5	0.184	0.205	30.2

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_transverse_tor	23.7
p_staggered_tor	16.3
p_planar_tor	3.5
p_scangle_it	2.691
p_scbond_it	1.634
p_mcangle_it	1.204
p_mcbond_it	0.881
p_multtor_nbd	0.256
p_singtor_nbd	0.18
p_hb_or_metal_coord	0.147
p_xyhbond_nbd	0.147
p_chiral_restr	0.137
p_planar_d	0.051
p_angle_d	0.029
p_plane_restr	0.0163
p_bond_d	0.013
p_angle_deg
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2177
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms	64

Software

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