2X45

Crystal Structure of Arg r 1 in complex with histamine

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2X46	PDB ENTRY 2X46

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		30% POLYETHYLENE GLYCOL 4000, 0.1 M TRIS.HCL, PH 8.5, 0.2 M SODIUM ACETATE

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.147	α = 90
b = 61.817	β = 105.14
c = 63.871	γ = 90

Symmetry
Space Group	C 1 2 1

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	ADSC QUANTUM 210			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	1.4	30	99.8	0.13	12.1	7.4		79040

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	1.4	1.5	98.8		0.83	3	7.2

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 2X46	1.4	30	75281	3948	99.97	0.13302	0.13041	0.18348	RANDOM	7.109

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]
-0.29		0.26	-0.28		0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.315
r_dihedral_angle_3_deg	13.292
r_dihedral_angle_4_deg	12.073
r_sphericity_free	7.512
r_dihedral_angle_1_deg	6.088
r_scangle_it	3.867
r_scbond_it	3.196
r_sphericity_bonded	2.684
r_mcangle_it	2.222
r_mcbond_it	1.758
r_angle_refined_deg	1.59
r_rigid_bond_restr	1.463
r_angle_other_deg	0.868
r_mcbond_other	0.604
r_nbd_refined	0.21
r_symmetry_vdw_other	0.207
r_xyhbond_nbd_other	0.205
r_nbd_other	0.199
r_symmetry_hbond_refined	0.197
r_xyhbond_nbd_refined	0.188
r_nbtor_refined	0.181
r_symmetry_vdw_refined	0.165
r_chiral_restr	0.097
r_nbtor_other	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3243
Nucleic Acid Atoms
Solvent Atoms	908
Heterogen Atoms	72

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing