3CFD

Purple-fluorescent antibody EP2-25C10 in complex with its stilbene hapten

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		AMMONIUM SULFATE, LITHIUM SULFATE, ACETATE, PH 4.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K, pH 4.50

Crystal Properties
Matthews coefficient	Solvent content
3.06	59.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.99	α = 91.98
b = 72.48	β = 106.11
c = 77.23	γ = 114.15

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	100	CCD	ADSC QUANTUM 4	MONOCHROMATOR	2002-08-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1		ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.5	30	97.9	0.083	11.1	1.9		37156			50.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.56	97.4		0.525	1.6	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 2NZS	2.5	29.88	33487	1746	100	0.212	0.211	0.243	RANDOM	33.67

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]
-0.48	-1.28	0.03	-2.56	-2.53	1.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.768
r_dihedral_angle_4_deg	23.751
r_dihedral_angle_3_deg	16.361
r_dihedral_angle_1_deg	6.43
r_scangle_it	1.628
r_angle_refined_deg	1.304
r_scbond_it	1.194
r_angle_other_deg	1.096
r_mcangle_it	0.778
r_mcbond_it	0.746
r_symmetry_vdw_other	0.393
r_symmetry_vdw_refined	0.255
r_nbd_other	0.213
r_nbd_refined	0.197
r_nbtor_refined	0.184
r_xyhbond_nbd_refined	0.132
r_mcbond_other	0.092
r_nbtor_other	0.087
r_chiral_restr	0.075
r_symmetry_hbond_refined	0.066
r_bond_refined_d	0.013
r_bond_other_d	0.008
r_gen_planes_refined	0.005
r_gen_planes_other	0.004
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6641
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms	52

Software

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