2ZAE

Crystal structure of protein Ph1601p in complex with protein Ph1771p of archaeal ribonuclease P from Pyrococcus horikoshii OT3

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293.4	20% PEG 3350, 0.2M KNO3, 50mM NaCl,50mM Tris-HCl , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.4K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.829	α = 90
b = 127.07	β = 90
c = 51.857	γ = 90

Symmetry
Space Group	P 21 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	CCD	RIGAKU JUPITER 210			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0000	SPring-8	BL38B1

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	2.2	50	98.6	0.064	0.064	33.8	6	25221	25221

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	2.2	2.28	89.6		0.369	0.369	3.15	5.4	1552

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1X0T, 1V76	2.21	42.64	23939	1273	98.52	0.20191	0.19938	0.25005	RANDOM	36.98

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]
-0.17			-0.08		0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.607
r_dihedral_angle_4_deg	19.117
r_dihedral_angle_3_deg	18.928
r_dihedral_angle_1_deg	6.285
r_scangle_it	2.46
r_scbond_it	1.606
r_angle_refined_deg	1.397
r_mcangle_it	1.104
r_mcbond_it	0.651
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.229
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.214
r_xyhbond_nbd_refined	0.151
r_chiral_restr	0.111
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3365
Nucleic Acid Atoms
Solvent Atoms	179
Heterogen Atoms	62

Software

Software
Software Name	Purpose
REFMAC	refinement
BSS	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing