2R2E

Crystal structure of S25-2 Fab in complex with Kdo analogues

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	300	PEG 4000, ethelyene glycol, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.11	α = 90
b = 81.17	β = 90
c = 132.36	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++		2006-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

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	2.4	19.87	95.5	0.059	12.3	4.16		17962

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)
	2.4	2.49	98.2		0.213	4	3.95

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	2.4	19.87	17037	921	95.48	0.24673	0.24339	0.30618	RANDOM	35.033

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]
0.03					-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.551
r_dihedral_angle_4_deg	19.148
r_dihedral_angle_3_deg	15.982
r_dihedral_angle_1_deg	7.118
r_scangle_it	2.098
r_angle_refined_deg	1.456
r_scbond_it	1.407
r_mcangle_it	1.164
r_mcbond_it	0.678
r_symmetry_hbond_refined	0.404
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.23
r_nbd_refined	0.209
r_xyhbond_nbd_refined	0.154
r_chiral_restr	0.089
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
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	3387
Nucleic Acid Atoms
Solvent Atoms	87
Heterogen Atoms	19

Software

Software
Software Name	Purpose
d*TREK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
CrystalClear	data reduction