1INE

HOW THE ANTI-(METAL CHELATE) ANTIBODY CHA255 IS SPECIFIC FOR THE METAL ION OF ITS ANTIGEN: X-RAY STRUCTURES FOR TWO FAB'(SLASH)HAPTEN COMPLEXES WITH DIFFERENT METALS IN THE CHELATE

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.9	α = 90
b = 85.6	β = 136.4
c = 77.5	γ = 90

Symmetry
Space Group	C 1 2 1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.8	7			0.176	0.176

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_angle_deg	2.6
x_bond_d	0.017
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3196
Nucleic Acid Atoms
Solvent Atoms	142
Heterogen Atoms	35

Software

Software
Software Name	Purpose
X-PLOR	model building
PROLSQ	refinement
TNT	refinement
X-PLOR	refinement
X-PLOR	phasing