3TDU

N-terminal acetylation acts as an avidity enhancer within an interconnected multiprotein complex: Structure of a human Cul1WHB-Dcn1P-acetylated Ubc12N complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	276	27% PEG1500, 0.1M MIB, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 276K

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.431	α = 90
b = 65.454	β = 104.73
c = 64.182	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC QUANTUM 315r		2010-12-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.0	ALS	8.2.2

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	1.5	50	96.2	0.09	0.09		3.7	86181	78739	3	2.605

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	1.5	1.55	88		0.413	0.413	2.6	3.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1LDJ	1.5	50	86181	78739	4150	96.08	0.20738	0.20606	0.23249	RANDOM	22.829

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]
1.55		0.39	-1.48		0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.223
r_dihedral_angle_4_deg	15.466
r_dihedral_angle_3_deg	13.349
r_scangle_it	8.137
r_scbond_it	4.674
r_dihedral_angle_1_deg	4.213
r_mcangle_it	3.399
r_rigid_bond_restr	2.458
r_mcbond_it	1.62
r_angle_refined_deg	0.915
r_chiral_restr	0.071
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4690
Nucleic Acid Atoms
Solvent Atoms	589
Heterogen Atoms

Software

Software
Software Name	Purpose
BSS	data collection
CCP4	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CCP4	phasing