Experiment: 6FD1

7-FE FERREDOXIN FROM AZOTOBACTER VINELANDII LOW TEMPERATURE, 1.35 A

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5FD1	PDB ENTRY 5FD1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.8		PROTEIN CRYSTALLIZED FROM 4.8M AMMONIUM SULFATE, 0.45M TRIS-HCL, PH 7.8

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.84	α = 90
b = 54.84	β = 90
c = 92.64	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH		1997-04-18	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

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	1.35	100	96.5	0.057	21.3	3.3		57315

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)
	1.35	1.38	72		0.747	1.7	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	R-FREE	PDB ENTRY 5FD1	1.35	100	30880	1544	96.5	0.15	0.153		0.1367	0.213	EVERY 20TH REFLECTION

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
1	776	1011.5

RMS Deviations
Key	Refinement Restraint Deviation
s_similar_adp_cmpnt	0.3
s_from_restr_planes	0.2
s_zero_chiral_vol	0.2
s_non_zero_chiral_vol	0.2
s_approx_iso_adps	0.2
s_angle_d	0.04
s_bond_d	0.02
s_similar_dist	0.02
s_anti_bump_dis_restr	0.02
s_rigid_bond_adp_cmpnt	0.02

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	846
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	15

Software

Software
Software Name	Purpose
TRIVIAL	model building
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling
TRIVIAL	phasing