6J4C

Crystal structure of MarH, an epimerase for biosynthesis of Maremycins in Streptomyces, under 10 mM ZnSO4

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	10 mM ZnSO4, 100mM MES, pH 6.5, 24% PEG550

Crystal Properties
Matthews coefficient	Solvent content
2.01	38.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.538	α = 90
b = 43.538	β = 90
c = 97.974	γ = 120

Symmetry
Space Group	P 32 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	100	CCD	MARMOSAIC 225 mm CCD		2018-01-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NFPSS BEAMLINE BL18U	0.97853	NFPSS	BL18U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.58	50	99.9	48.9	18.6		15498

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.58	1.61

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.58	35.19	14416	759	98.84	0.1704	0.1686	0.2086	RANDOM	14.728

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]
-0.01			-0.01		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.457
r_dihedral_angle_3_deg	12.696
r_dihedral_angle_4_deg	12.018
r_dihedral_angle_1_deg	6.276
r_angle_refined_deg	2.277
r_angle_other_deg	0.994
r_chiral_restr	0.148
r_bond_refined_d	0.023
r_gen_planes_refined	0.015
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.457
r_dihedral_angle_3_deg	12.696
r_dihedral_angle_4_deg	12.018
r_dihedral_angle_1_deg	6.276
r_angle_refined_deg	2.277
r_angle_other_deg	0.994
r_chiral_restr	0.148
r_bond_refined_d	0.023
r_gen_planes_refined	0.015
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	917
Nucleic Acid Atoms
Solvent Atoms	44
Heterogen Atoms	13

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
MOLREP	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.