1QW0

Crystal Structure of Haemophilus influenzae N175L mutant Holo Ferric ion-Binding Protein A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.2	277	PEG 550 MME, Tris, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.85	α = 90
b = 76.037	β = 90
c = 34.067	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS HTC	mirrors	2002-07-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.9	62.02	97.3			21885	20739

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.9	1.97	90.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1D9V	1.9	62.02	21885	20739	1119	97.29	0.22214	0.22214	0.21954	0.27098	RANDOM	19.033

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]
-1.58			0.41		1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.533
r_scangle_it	2.526
r_scbond_it	1.492
r_angle_refined_deg	1.087
r_mcangle_it	1.006
r_angle_other_deg	0.759
r_mcbond_it	0.538
r_symmetry_vdw_other	0.335
r_nbd_other	0.237
r_nbd_refined	0.208
r_xyhbond_nbd_refined	0.196
r_symmetry_hbond_refined	0.127
r_symmetry_vdw_refined	0.095
r_nbtor_other	0.083
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2264
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	9

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
CCP4	data scaling
MOLREP	phasing