2G4W

anomalous substructure of ribonuclease A (C2)

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.12	α = 90
b = 32.6	β = 90.56
c = 72.47	γ = 90

Symmetry
Space Group	C 1 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	MARRESEARCH		2005-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	2.00	EMBL/DESY, HAMBURG	X12

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	1.84	30					20349

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	FOURIER SYNTHESIS	THROUGHOUT	1.84	30	19941	408	98.36	0.21412	0.2129	0.27442	RANDOM	28.027

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		-0.1	-0.47		0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.414
r_dihedral_angle_4_deg	16.916
r_dihedral_angle_3_deg	16.237
r_dihedral_angle_1_deg	7.168
r_scangle_it	6.663
r_scbond_it	5.021
r_angle_refined_deg	2.314
r_mcangle_it	2.275
r_mcbond_it	1.801
r_angle_other_deg	1.044
r_symmetry_hbond_refined	0.625
r_mcbond_other	0.463
r_symmetry_vdw_other	0.308
r_symmetry_vdw_refined	0.234
r_nbd_refined	0.231
r_nbd_other	0.201
r_nbtor_refined	0.192
r_xyhbond_nbd_refined	0.163
r_chiral_restr	0.136
r_nbtor_other	0.097
r_bond_refined_d	0.027
r_gen_planes_refined	0.012
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1902
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
CCP4	data scaling
FFT	phasing