2HKH

Crystal structure of the Fab M75

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	15% PEG 4000, 100 mM Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.982	α = 85.3
b = 43.154	β = 88.45
c = 57.37	γ = 84.29

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	150	IMAGE PLATE	MAR scanner 345 mm plate		2001-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.1	30	90.7	0.069	0.069	6.5		57110	57110			39.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.18	68.6		0.304	0.304			1573

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 1NBV	2.1	20.46	15795	15795	1417	75.84	0.22394	0.21934	0.27292	RANDOM	31.073

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]
-0.68	-0.52	0.2	0.28	-0.22	0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.362
r_dihedral_angle_4_deg	23.045
r_dihedral_angle_3_deg	19.838
r_dihedral_angle_1_deg	10.356
r_scangle_it	2.001
r_angle_refined_deg	1.547
r_scbond_it	1.328
r_mcangle_it	0.861
r_mcbond_it	0.497
r_nbtor_refined	0.304
r_nbd_refined	0.236
r_symmetry_hbond_refined	0.215
r_symmetry_vdw_refined	0.204
r_xyhbond_nbd_refined	0.173
r_chiral_restr	0.101
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_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	3276
Nucleic Acid Atoms
Solvent Atoms	96
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing