4XHE | pdb_00004xhe

Crystal Structure of A-AChBP in complex with pinnatoxin A

X-RAY DIFFRACTION

---

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	18% (w/v) P400, 0.1M Hepes pH 7.5, 0.2M CaCl2, 5% glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.734	α = 90
b = 144.231	β = 90
c = 147.121	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	ADSC QUANTUM 315r		2009-09-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.976	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.9	73	98	0.093	12.2	4.1		211460

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	1.9	2	96.7		0.478	2.7	3.9

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2BYN	1.9	64.02	204994	6419	97.65	0.1747	0.1734	0.1879	0.216	0.2292	RANDOM	28.416

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			-0.53		-1.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.709
r_dihedral_angle_4_deg	18.916
r_dihedral_angle_3_deg	13.129
r_dihedral_angle_1_deg	6.406
r_scangle_it	2.487
r_mcangle_it	2.283
r_scbond_it	1.678
r_angle_refined_deg	1.463
r_mcbond_it	1.435
r_angle_other_deg	0.825
r_mcbond_other	0.432
r_chiral_restr	0.13
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16880
Nucleic Acid Atoms
Solvent Atoms	1841
Heterogen Atoms	515

Software

Software
Software Name	Purpose
MOSFLM	data reduction
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SCALA	data scaling
PHASER	phasing