1FRN

THE INVOLVEMENT OF SER96 IN THE CATALYTIC MECHANISM OF FERREDOXIN-NADP+ REDUCTASE: STRUCTURE-FUNCTION RELATIONSHIP AS STUDIED BY SITE-DIRECTED MUTAGENESIS AND X-RAY CRYSTALLOGRAPHY

X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.7	α = 90
b = 57.7	β = 100
c = 68.1	γ = 90

Symmetry
Space Group	C 1 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			SDMS		1994-06-15

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2		22757			0.162

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
t_angle_deg	2.4
t_bond_d	0.017
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2357
Nucleic Acid Atoms
Solvent Atoms	221
Heterogen Atoms	63

Software

Software
Software Name	Purpose
TNT	refinement
SDMS	data reduction

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.