4A2U | pdb_00004a2u

CRP(CAP) from Myco. Tuberculosis, with cAMP

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.8		8 MG PER ML PROTEIN, 25 MM CAMP, 40 MM NA CL, 10% PEG 8K, 75 MM CA ACETATE, 50 MM NA MES., pH 5.8

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.328	α = 84.41
b = 67.801	β = 83.46
c = 104.877	γ = 80.14

Symmetry
Space Group	P 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	ADSC QUANTUM 315		2008-11-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

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	2.63	30	93.4	0.08	11.2	4.8		50716

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	2.63	2.75	64.2		0.55	1.7	2.5

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	NONE	2.63	16	43985	2349	86.07	0.18853	0.18308	0.2	0.28767	0.3	RANDOM	67.409

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]
1.56	-0.65	-1.47	-0.64	2.42	-1.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.161
r_dihedral_angle_3_deg	21.685
r_dihedral_angle_4_deg	18.059
r_dihedral_angle_1_deg	7.278
r_angle_refined_deg	1.663
r_chiral_restr	0.099
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13864
Nucleic Acid Atoms
Solvent Atoms	65
Heterogen Atoms	176

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
HKL-2000	data scaling
SHELX	phasing