2P49

Complex of a camelid single-domain vhh antibody fragment with RNASE A at 1.4A resolution: native mono_1 crystal form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	295	HAMPTON RESEARCH INDEX SCREEN, SOLUTION #85: MGCL2, PEG 3350, TRIS BUFFER PH 8.5, VAPOR DIFFUSION, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.85	33.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.13	α = 90
b = 54.394	β = 108.49
c = 48.044	γ = 90

Symmetry
Space Group	P 1 21 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	MIRRORS	2001-08-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.9	APS	14-BM-C

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	1.38	20	99.6	56.3	14.1	38187	38187

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.38	1.43	99.3			13.5

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1bzq	1.38	20	48836	38187	2017	99.59	0.15714	0.15714	0.15569	0.18452	RANDOM	12.874

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]
-0.87		-0.69	-0.38		0.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.68
r_dihedral_angle_4_deg	13.422
r_dihedral_angle_1_deg	13.178
r_dihedral_angle_3_deg	12.459
r_scangle_it	2.956
r_scbond_it	2.057
r_angle_refined_deg	1.656
r_mcangle_it	1.442
r_angle_other_deg	1.384
r_mcbond_it	0.859
r_symmetry_vdw_other	0.233
r_nbd_refined	0.215
r_nbd_other	0.214
r_symmetry_hbond_refined	0.172
r_xyhbond_nbd_refined	0.14
r_symmetry_vdw_refined	0.134
r_nbtor_other	0.085
r_chiral_restr	0.074
r_bond_refined_d	0.012
r_gen_planes_other	0.01
r_gen_planes_refined	0.009
r_bond_other_d
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1840
Nucleic Acid Atoms
Solvent Atoms	350
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing