2PEH

Crystal structure of the UHM domain of human SPF45 in complex with SF3b155-ULM5

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	293	25% (w/v) PEG 1,500, 0.1 M Malonate, Imidazole, Borate buffer pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.92	α = 90
b = 66.38	β = 90
c = 72.77	γ = 90

Symmetry
Space Group	P 21 21 21

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	mirrors	2006-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	2.05	38.3	89.3	0.049	0.045	32.56	7.1	13008	13008	-3	-3	22

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	2.05	2.17	78.5		0.206	0.188	9.46	6.75	1819

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB-ID 2pe8	2.11	38.84	-3	-3	11550	11550	613	91.63	0.21132	0.21132	0.20811	0.27272	RANDOM	21.339

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]
-0.87			0.52		0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.565
r_dihedral_angle_4_deg	18.328
r_dihedral_angle_3_deg	15.222
r_dihedral_angle_1_deg	5.632
r_scangle_it	2.148
r_scbond_it	1.51
r_angle_refined_deg	1.385
r_angle_other_deg	1.177
r_mcangle_it	0.847
r_mcbond_it	0.731
r_symmetry_vdw_refined	0.351
r_symmetry_hbond_refined	0.216
r_nbd_other	0.194
r_nbd_refined	0.192
r_nbtor_refined	0.172
r_symmetry_vdw_other	0.155
r_chiral_restr	0.153
r_mcbond_other	0.134
r_xyhbond_nbd_refined	0.129
r_nbtor_other	0.083
r_bond_refined_d	0.013
r_bond_other_d	0.006
r_xyhbond_nbd_other	0.005
r_gen_planes_refined	0.004
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1760
Nucleic Acid Atoms
Solvent Atoms	93
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
XDS	data reduction
XDS	data scaling
PHASER	phasing