12E8

2E8 FAB FRAGMENT

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6FAB	PDB ENTRIES 6FAB AND 1FLR
experimental model	PDB	1FLR	PDB ENTRIES 6FAB AND 1FLR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.6		23% PEG 4000 (W/V), 0.10 M SODIUM CITRATE, AND 0.2 M AMMONIUM ACETATE (PH 5.6). CRYSTALS (0.2 X 0.2 X 0.5 MM) WERE OBTAINED IN 4-6 WEEKS.

Crystal Properties
Matthews coefficient	Solvent content
2.37	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.56	α = 90
b = 65.57	β = 97.04
c = 103.22	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	125	AREA DETECTOR	ADSC	COLLIMATOR	1996-05-13	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.85		84	0.085	0.071	6	3.8		63078			11.5

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	1.85	2	82		0.39	0.27	1.6	2.1

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	A POSTERIORI	PDB ENTRIES 6FAB AND 1FLR	1.9	20	58785	1143	84.4	0.221	0.221	0.271	RANDOM	16.9

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_dihedral_angle_d	28.4
x_scangle_it	4.84
x_scbond_it	3.51
x_mcangle_it	3.11
x_mcbond_it	2.21
x_angle_deg	1.6
x_improper_angle_d	1.55
x_bond_d	0.011
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_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6662
Nucleic Acid Atoms
Solvent Atoms	767
Heterogen Atoms

Software

Software
Software Name	Purpose
UCSD	data collection
UCSD	data reduction
X-PLOR	model building
X-PLOR	refinement
UCSD	data scaling
X-PLOR	phasing