3CIV

Crystal structure of the endo-beta-1,4-mannanase from Alicyclobacillus acidocaldarius

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	291	0.2M ammonium dihydrogen phosphate, 0.1M sodium citrate (pH 4.6), VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.338	α = 90
b = 75.554	β = 90
c = 88.016	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	RIGAKU RAXIS VII	mirrors		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.5418

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	1.9	35.07	97.3	0.055	20.8	6.92		23386

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)
	1.9	1.97	89.4		0.144	10.2	5.8

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	SAD	THROUGHOUT	1.9	35.07	22180	1206	97.25	0.17571	0.1737	0.21208	RANDOM	16.037

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]
1.02			-0.63		-0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.575
r_dihedral_angle_4_deg	15.61
r_dihedral_angle_3_deg	12.809
r_dihedral_angle_1_deg	5.626
r_scangle_it	2.282
r_scbond_it	1.418
r_angle_refined_deg	1.086
r_mcangle_it	0.921
r_mcbond_it	0.577
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.575
r_dihedral_angle_4_deg	15.61
r_dihedral_angle_3_deg	12.809
r_dihedral_angle_1_deg	5.626
r_scangle_it	2.282
r_scbond_it	1.418
r_angle_refined_deg	1.086
r_mcangle_it	0.921
r_mcbond_it	0.577
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.208
r_nbd_refined	0.182
r_symmetry_hbond_refined	0.152
r_xyhbond_nbd_refined	0.147
r_chiral_restr	0.075
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2521
Nucleic Acid Atoms
Solvent Atoms	221
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.