2BYR

CRYSTAL STRUCTURE OF ACHBP FROM APLYSIA CALIFORNICA in complex with methyllycaconitine

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		22% PEG 4K, 0.1 M TRIS, PH 7.5, 0.4 M MG2CL

Crystal Properties
Matthews coefficient	Solvent content
2.4	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.267	α = 90
b = 135.776	β = 99.46
c = 147.286	γ = 90

Symmetry
Space Group	P 1 21 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 CCD		2004-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	2.45	72	100	0.08	0.079	11.3	3.7		95739			45.4

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	2.45	2.51	100		0.48	0.484	2.5	3.8

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 2BYN	2.45	20	93613	1916	100	0.194	0.193	0.232	RANDOM	40.84

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]
1.2		-0.31	0.06		-1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.666
r_dihedral_angle_4_deg	19.958
r_dihedral_angle_3_deg	15.303
r_dihedral_angle_1_deg	6.383
r_angle_refined_deg	1.369
r_mcangle_it	1.126
r_mcbond_it	0.954
r_scangle_it	0.827
r_angle_other_deg	0.734
r_scbond_it	0.573
r_symmetry_hbond_refined	0.236
r_nbd_other	0.189
r_nbd_refined	0.186
r_nbtor_refined	0.179
r_symmetry_vdw_other	0.171
r_xyhbond_nbd_refined	0.165
r_symmetry_vdw_refined	0.136
r_nbtor_other	0.084
r_chiral_restr	0.071
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16760
Nucleic Acid Atoms
Solvent Atoms	556
Heterogen Atoms	490

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing