3NSW

Crystal Structure of Ancylostoma ceylanicum Excretory-Secretory Protein 2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		STARTING MODEL: THE STRUCTURE OF ACEES-2 WAS SOLVED USING A LEAD (PBNO3) SOAKED CRYSTAL AND SAD METHODS AT 2.0 ANGSTROM RESOLUTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	277	0.1 M 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid (HEPES), 60% (4S)-2-Methyl-2,4-pentanediol (MPD), pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.212	α = 90
b = 52.212	β = 90
c = 345.263	γ = 90

Symmetry
Space Group	P 43

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	Meridionally-bent fused silica mirror with palladium and uncoated stripes vertically-focusing at 6.6:1 demagnification.	2009-07-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.0809	NSLS	X25

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	1.75	36.91	90.5	0.074	18.498	4.6		79362

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	1.75	1.81	52.3		0.354	2.326	1.9	3110

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	STARTING MODEL: THE STRUCTURE OF ACEES-2 WAS SOLVED USING A LEAD (PBNO3) SOAKED CRYSTAL AND SAD METHODS AT 2.0 ANGSTROM RESOLUTION	1.75	36.91	79362	4180	90.43	0.14773	0.1463	0.16	0.17466	0.19	RANDOM	35.251

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]
7.05			7.05		-14.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.633
r_dihedral_angle_3_deg	12.779
r_dihedral_angle_4_deg	10.461
r_scangle_it	8.853
r_scbond_it	6.973
r_dihedral_angle_1_deg	6.202
r_mcangle_it	5.2
r_mcbond_it	3.392
r_angle_refined_deg	1.122
r_chiral_restr	0.07

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5815
Nucleic Acid Atoms
Solvent Atoms	928
Heterogen Atoms	23

Software

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.