6XK1

Biuret Hydrolase (BiuH) from Rhodococcus sp. Mel C169S Apo form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	291	1uL 10mg/mL protein + 1uL 18% w/v PEG3350, 0.2M MgCl2, 1mM triuret pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.1	α = 90
b = 104.4	β = 90
c = 135.3	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	PIXEL	DECTRIS EIGER X 16M		2020-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.991840	APS	23-ID-B

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	1.7	82.66	99.6	0.077	11.55	3.85		186186

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	1.7	1.8	99.9		0.501	2.96	3.77

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	6XJM	1.7	56.837	97273	4864	99.858	0.186	0.1844	0.2079	18.828

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]
0.838			-0.422		-0.416

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.121
r_dihedral_angle_4_deg	17.882
r_dihedral_angle_3_deg	13.261
r_dihedral_angle_1_deg	5.989
r_lrange_it	4.064
r_lrange_other	4.043
r_scangle_it	3.206
r_scangle_other	3.206
r_scbond_it	2.234
r_scbond_other	2.234
r_mcangle_it	2.106
r_mcangle_other	2.106
r_angle_refined_deg	1.647
r_mcbond_it	1.535
r_mcbond_other	1.534
r_angle_other_deg	1.394
r_symmetry_xyhbond_nbd_refined	0.306
r_nbd_refined	0.207
r_symmetry_nbd_other	0.188
r_nbd_other	0.178
r_nbtor_refined	0.149
r_xyhbond_nbd_refined	0.113
r_symmetry_nbd_refined	0.112
r_chiral_restr	0.085
r_symmetry_nbtor_other	0.081
r_ncsr_local_group_5	0.072
r_ncsr_local_group_6	0.071
r_ncsr_local_group_3	0.067
r_ncsr_local_group_4	0.066
r_ncsr_local_group_1	0.065
r_ncsr_local_group_2	0.062
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6856
Nucleic Acid Atoms
Solvent Atoms	509
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing