2IPT

PFA1 Fab Fragment

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IQ9	PDB ENTRY 2IQ9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	0.1 M Hepes, 25% PEG3350, pH 7.5, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.985	α = 95.84
b = 42.825	β = 94.77
c = 58.381	γ = 91.91

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	113	IMAGE PLATE	RIGAKU RAXIS IV	mirrors	2006-03-27	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 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	25.19	93.1	0.052		1.9		25317

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	2.07	85.1		0.186		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 2IQ9	2	25.19	25316	1253	93.36	0.18	0.177	0.223	RANDOM	16.546

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]
0.49	-0.23	0.4	-0.26	-0.62	-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.942
r_dihedral_angle_4_deg	16.399
r_dihedral_angle_3_deg	15.08
r_dihedral_angle_1_deg	7.296
r_scangle_it	2.275
r_scbond_it	1.554
r_angle_refined_deg	1.429
r_mcangle_it	1.234
r_angle_other_deg	0.894
r_mcbond_it	0.769
r_symmetry_vdw_refined	0.213
r_nbd_other	0.198
r_nbd_refined	0.192
r_symmetry_vdw_other	0.175
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.142
r_mcbond_other	0.138
r_symmetry_hbond_refined	0.122
r_nbtor_other	0.086
r_chiral_restr	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3362
Nucleic Acid Atoms
Solvent Atoms	273
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing