1UI5 | pdb_00001ui5

Crystal structure of gamma-butyrolactone receptor (ArpA like protein)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	PEG 6000, lithium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.1	40.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.153	α = 90
b = 68.066	β = 90
c = 145.422	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	100	CCD	MARRESEARCH		2002-07-06	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL41XU	0.9792, 0.9795, 0.9710	SPring-8	BL41XU

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	2	30	99.9	0.121	0.121	2.5	21.2	26450	26420			5.8

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	2	2.03	99.9		0.437	0.437	1.4	5.8	1147

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.4	30	14698	14630	802	99.54	0.21749	0.21749	0.21375	0.22	0.28645	0.29	RANDOM	14.979

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]
0.25			-0.53		0.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	20.609
r_scangle_it	4.383
r_dihedral_angle_1_deg	4.338
r_scbond_it	2.634
r_mcangle_it	1.448
r_angle_refined_deg	1.339
r_angle_other_deg	0.809
r_mcbond_it	0.751
r_nbd_refined	0.382
r_xyhbond_nbd_refined	0.255
r_symmetry_hbond_refined	0.196
r_nbd_other	0.193
r_symmetry_vdw_refined	0.179
r_symmetry_vdw_other	0.153
r_chiral_restr	0.078
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_gen_planes_other	0.004
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3138
Nucleic Acid Atoms
Solvent Atoms	75
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing