7PJO

Crystal form 3 of CPR-C4: a cysteine protease from the Candidate Phyla Radiation

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		300	Lithium sulfate, Tris, PEG4000

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.78	α = 90
b = 77.545	β = 90
c = 161.722	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 EIGER2 XE 16M		2021-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.97950	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	2.248	44.302	98.1	0.085	0.092	0.035	0.999	17.1	12.4		27119

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.32			1.77	1.998	0.905	0.36		8.1

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	FREE R-VALUE	7OB6	2.248	44.26	27063	1323	97.866	0.181	0.1788	0.2246	57.088

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]
-0.058			0.085		-0.027

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.929
r_dihedral_angle_4_deg	15.341
r_dihedral_angle_3_deg	14.927
r_lrange_other	9.48
r_lrange_it	9.462
r_scangle_it	8.1
r_scangle_other	8.062
r_dihedral_angle_1_deg	7.428
r_mcangle_it	6.122
r_mcangle_other	6.121
r_scbond_it	5.575
r_scbond_other	5.462
r_mcbond_it	4.543
r_mcbond_other	4.541
r_angle_refined_deg	1.442
r_angle_other_deg	1.226
r_xyhbond_nbd_refined	0.228
r_nbd_refined	0.201
r_symmetry_nbd_refined	0.185
r_symmetry_nbd_other	0.17
r_nbd_other	0.17
r_nbtor_refined	0.162
r_ncsr_local_group_1	0.08
r_symmetry_nbtor_other	0.077
r_chiral_restr	0.067
r_bond_refined_d	0.008
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3493
Nucleic Acid Atoms
Solvent Atoms	181
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
Coot	model building