Experiment: 9QDC

Nitratidesulfovibrio vulgaris [FeFe]-hydrogenase crystallized in the sodium formate buffer at pH 4.6

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6SG2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	293	35% (w/v) PEG 4000, 1M LiCl, 0.1M sodium formate pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
1.78	30.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.535	α = 90
b = 87.568	β = 90
c = 89.2	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER2 X 16M		2023-04-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, DESY BEAMLINE P11	1.0332	PETRA III, DESY	P11

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.49	49.53	99.7	0.167	0.181	0.068	0.997	10.6	13.3		63886

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.49	1.52			1.233	1.338	0.516	0.794		12.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	NONE	1.491	44.64	63818	3203	99.636	0.149	0.1473	0.1473	0.1815	0.1806	14.915

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]
0.017			-0.958		0.941

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3707
Nucleic Acid Atoms
Solvent Atoms	410
Heterogen Atoms	41

Software

Software
Software Name	Purpose
REFMAC	refinement
PHASER	phasing
Coot	model building
XDS	data reduction
Aimless	data scaling