1H9B

ACTIVE MUTANT (Q365->C) OF GLUCOSE 6-PHOSPHATE DEHYDROGENASE FROM LEUCONOSTOC MESENTEROIDES

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H9A	PROTEIN ATOMS OF NADP-BOUND COMPLEX IN THE SAME CRYSTAL FORM, 1H9A.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8		HANGING DROP VAPOUR DIFFUSION, 2+2 MICROLITER DROPS. THE PROTEIN AT 5MG/ML IN 100MM TRIS-HCL AT PH 7.5 WITH 12.5MM NAD+. DROPS EQUILIBRIATED AGAINST 1.7M UNBUFFERED AMMONIUM SULFATE.

Crystal Properties
Matthews coefficient	Solvent content
3.02	56.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.7	α = 90
b = 136.7	β = 90
c = 121.2	γ = 120

Symmetry
Space Group	P 62 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	MARRESEARCH	MIRRORS	1994-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.4	21	94.1	0.113	12.7	4.6		24865		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4	2.53	93		0.418	3.7	5.2

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	FREE R-VALUE	PROTEIN ATOMS OF NADP-BOUND COMPLEX IN THE SAME CRYSTAL FORM, 1H9A.	2.4	21	24864	2002	94.1	0.19	0.19	0.19	0.236	0.23	RANDOM, USING XPLOR	32.8

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	22.73
x_mcangle_it	3.88
x_scangle_it	3.88
x_mcbond_it	2.77
x_scbond_it	2.77
x_angle_deg	1.272
x_improper_angle_d	0.97
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3837
Nucleic Acid Atoms
Solvent Atoms	139
Heterogen Atoms	5

Software

Software
Software Name	Purpose
X-PLOR	refinement
DENZO	data reduction
SCALA	data scaling
X-PLOR	phasing

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.