3PMZ

Crystal Structure of the Complex of Acetylcholine Binding Protein and d-tubocurarine

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8	295	10% PEG 4000, 0.25M magnesium chloride, 0.1M Tris buffer pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.737	α = 90
b = 194.042	β = 90
c = 101.615	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	CCD	ADSC QUANTUM 315		2006-04-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	2.44	114.71	96.9	0.109	41.3			101910

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	2.44	2.64	93.6

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2BYN	2.44	114.71	105143	96728	5105	96.8	0.232	0.228	0.294	RANDOM	40.14

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]
1.23			-0.4		-0.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.744
r_dihedral_angle_4_deg	21.252
r_dihedral_angle_3_deg	18.688
r_dihedral_angle_1_deg	7.883
r_scangle_it	3.968
r_scbond_it	2.471
r_angle_refined_deg	1.866
r_mcangle_it	1.748
r_mcbond_it	0.928
r_chiral_restr	0.116
r_bond_refined_d	0.018
r_gen_planes_refined	0.009
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16915
Nucleic Acid Atoms
Solvent Atoms	391
Heterogen Atoms	61

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling