2ZW0

Crystal structure of a Streptococcal protein G B1 mutant

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
1.72	28.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.764	α = 90
b = 36.36	β = 90
c = 93.688	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 270		2007-05-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	1.000	Photon Factory	BL-17A

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	1.4	50			6.5		9052			11.346

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.4	20	8574	430	99.82	0.17865	0.1765	0.2235	RANDOM	12.012

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]
1.1			-0.25		-0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.66
r_dihedral_angle_3_deg	11.628
r_dihedral_angle_1_deg	4.709
r_scangle_it	3.101
r_scbond_it	2.114
r_mcangle_it	1.256
r_angle_refined_deg	1.216
r_mcbond_it	0.826
r_symmetry_vdw_refined	0.773
r_nbtor_refined	0.305
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.126
r_symmetry_hbond_refined	0.094
r_chiral_restr	0.061
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_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	450
Nucleic Acid Atoms
Solvent Atoms	90
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing