1A6W

B1-8 FV FRAGMENT COMPLEXED WITH A (4-HYDROXY-5-IODO-3-NITROPHENYL) ACETATE COMPOUND

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	dialysis			THE PURIFIED PROTEIN HAS BEEN DIALYSED INTO A 10 MM TRIS-HCL PH 7.5 BUFFER ALSO CONTAINING 20 MM NACL. PEG 1550 WAS USED AS PRECIPITANT., dialysis

Crystal Properties
Matthews coefficient	Solvent content
2.43	40.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.27	α = 90
b = 83.51	β = 90
c = 40.23	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	269	AREA DETECTOR	XENTRONICS		1995-08-03	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

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	1.8	36	95.1	0.054		2.9		65498			18.5

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)
	1.8	1.85	79.2		0.301		1.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2	6	15982			0.171		19.2

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
p_staggered_tor	16.5
p_scangle_it	2.3
p_planar_tor	2.3
p_scbond_it	1.5
p_mcangle_it	1.4
p_mcbond_it	0.9
p_chiral_restr	0.113
p_angle_d	0.041
p_bond_d	0.013
p_plane_restr	0.013
p_angle_deg
p_planar_d
p_hb_or_metal_coord
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1774
Nucleic Acid Atoms
Solvent Atoms	182
Heterogen Atoms	17

Software

Software
Software Name	Purpose
MOSFLM	data reduction
AGROVATA/ROTAVATA	data reduction
MLPHARE	phasing
PROLSQ	refinement
AGROVATA	data scaling
ROTAVATA	data scaling