2HQ6

Structure of the Cyclophilin_CeCYP16-Like Domain of the Serologically Defined Colon Cancer Antigen 10 from Homo Sapiens

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1			298	Protein is 20 mg/mL, in buffer containing 50 mM Tris pH 8.0, 500 mM NaCl, 5 mM BME; hanging drop, 1+1; precipitant is 20% Peg 3350, 0.2M NaI (no buffer); cryo was 20% glycerol, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.433	α = 90
b = 84.433	β = 90
c = 55.289	γ = 120

Symmetry
Space Group	P 65

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 IV		2006-07-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54178

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.75	24.7	98.5	0.136	9.2	3.2	22463	22463		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.81	98.2		0.61	2.3	3.2	2241

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 1ZKC	1.75	24.7	22773	21296	1162	98.62	0.16744	0.16671	0.18093	RANDOM	25.198

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]
0.65	0.33		0.65		-0.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.863
r_dihedral_angle_4_deg	15.968
r_dihedral_angle_3_deg	12.128
r_dihedral_angle_1_deg	6.167
r_scangle_it	3.595
r_scbond_it	2.368
r_angle_refined_deg	1.538
r_mcangle_it	1.289
r_mcbond_it	0.855
r_nbtor_refined	0.311

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.863
r_dihedral_angle_4_deg	15.968
r_dihedral_angle_3_deg	12.128
r_dihedral_angle_1_deg	6.167
r_scangle_it	3.595
r_scbond_it	2.368
r_angle_refined_deg	1.538
r_mcangle_it	1.289
r_mcbond_it	0.855
r_nbtor_refined	0.311
r_symmetry_hbond_refined	0.212
r_nbd_refined	0.196
r_symmetry_vdw_refined	0.169
r_xyhbond_nbd_refined	0.139
r_chiral_restr	0.112
r_bond_refined_d	0.018
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1333
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
ARP/wARP	model building

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.