2AMM

Crystal structure of L122V/L132V mutant of nitrophorin 2

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	sodium citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.64	24.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.147	α = 90
b = 34.147	β = 90
c = 256.223	γ = 90

Symmetry
Space Group	P 41 21 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	IMAGE PLATE	MAR scanner 345 mm plate	bent Si-mirror	2003-07-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-ID-B	1.1808	APS	14-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	18	84	0.036	11.3	3	12989	12989			18.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.9	2	49		0.058	10.6	2.4	872

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1PEE	1.9	18	10406	10406	552	84.35	0.14629	0.14629	0.14236	0.22125	RANDOM	10.648

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]
-0.09			-0.09		0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.805
r_dihedral_angle_3_deg	15.985
r_dihedral_angle_4_deg	7.753
r_dihedral_angle_1_deg	7.074
r_scangle_it	4.195
r_scbond_it	3.306
r_mcangle_it	1.956
r_angle_refined_deg	1.814
r_mcbond_it	1.755
r_angle_other_deg	0.916
r_mcbond_other	0.35
r_symmetry_hbond_refined	0.213
r_nbd_refined	0.199
r_nbd_other	0.197
r_symmetry_vdw_other	0.193
r_nbtor_refined	0.179
r_symmetry_vdw_refined	0.167
r_xyhbond_nbd_refined	0.155
r_chiral_restr	0.126
r_nbtor_other	0.092
r_bond_refined_d	0.022
r_gen_planes_refined	0.011
r_bond_other_d	0.006
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1415
Nucleic Acid Atoms
Solvent Atoms	171
Heterogen Atoms	43

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling