6PRN

E1M, K50A, R52A 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		7.8		pH 7.8

Crystal Properties
Matthews coefficient	Solvent content
4.27	66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.36	α = 90
b = 104.36	β = 90
c = 124.25	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	IMAGE PLATE	MARRESEARCH		1997-08-12	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R

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	2.04	19.7	99.8	0.045	0.045	19.3	3.5		32038

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	2.04	2.15	99.6		0.181	0.181	5.1	2.2

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	2.04	19.68	1	32038	3210	99.8	0.163	0.186	SAME AS WILD-TYPE	34.1

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	18.9
p_staggered_tor	15.9
p_scangle_it	4.046
p_planar_tor	3.7
p_scbond_it	2.484
p_mcangle_it	1.779
p_mcbond_it	1.377
p_multtor_nbd	0.241
p_singtor_nbd	0.178
p_chiral_restr	0.166
p_hb_or_metal_coord	0.152
p_xyhbond_nbd	0.152
p_planar_d	0.033
p_angle_d	0.028
p_plane_restr	0.0176
p_bond_d	0.016
p_angle_deg
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2153
Nucleic Acid Atoms
Solvent Atoms	178
Heterogen Atoms	42

Software

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