2ESP

Human ubiquitin-conjugating enzyme (E2) UbcH5b mutant Ile88Ala

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ESK	PDB ENTRY 2ESK

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	294	NaCl, PEG 6000, Sodium Acetate, temperature 294K, pH 4.5, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.2	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.877	α = 90
b = 49.224	β = 90
c = 62.128	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	CCD	SBC-3		2005-07-15		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97897	APS	19-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.52	50	98.7	0.045	31.6	4.9		22996

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.52	1.57	91		0.522	2.2	3.6

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	PDB ENTRY 2ESK	1.52	38.58	21765	1168	98.76	0.18663	0.18415	0.23342	RANDOM	18.722

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]
-0.18			-0.35		0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.036
r_dihedral_angle_4_deg	17.492
r_dihedral_angle_1_deg	13.488
r_dihedral_angle_3_deg	13.101
r_scangle_it	4.035
r_scbond_it	2.662
r_angle_refined_deg	2.084
r_mcangle_it	1.595
r_mcbond_it	1.182
r_nbtor_refined	0.326
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.169
r_xyhbond_nbd_refined	0.159
r_symmetry_hbond_refined	0.139
r_chiral_restr	0.138
r_bond_refined_d	0.021
r_gen_planes_refined	0.012
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	1184
Nucleic Acid Atoms
Solvent Atoms	136
Heterogen Atoms	9

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction