Experiment: 1HO8

CRYSTAL STRUCTURE OF THE REGULATORY SUBUNIT H OF THE V-TYPE ATPASE OF SACCHAROMYCES CEREVISIAE

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		vma13 poly alanine

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	Ammonium sulfate, Dithiothreitol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
4.36	71.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.342	α = 90
b = 117.342	β = 90
c = 119.873	γ = 120

Symmetry
Space Group	P 32 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 4		2000-11-24	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.979	SSRL	BL9-2

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	2.95	71	99.8	0.077	7.4	4.3	20090	20090			65

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)
	2.95	3.3	99.9		0.454	45.4	1.7	4.3	5733

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 (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SIR AND MAD	THROUGHOUT	vma13 poly alanine	2.95	71	20130	20090	1624	99.8	0.223	0.223	0.221	0.312	0.2926	RANDOM

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]
7.39	7.39		7.39		-14.78

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	22.39
t_angle_deg	1.9
t_bond_d	0.015

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3608
Nucleic Acid Atoms
Solvent Atoms	25
Heterogen Atoms	5

Software

Software
Software Name	Purpose
MLPHARE	phasing
SHARP	phasing
TNT	refinement
MOSFLM	data reduction
SCALA	data scaling