6YKA

Asymmetric [Fe]-hydrogenase from Methanolacinia paynteri apo and in complex with FeGP at 2.1-A resolution

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4JJF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	283.15	[Fe]-hydrogenase holoenzyme from M. paynteri was crystallized under 95%N2/5%H2 using 96-well two-drop MRC crystallization plates (sitting drop vapor diffusion method). 0.7 ul of 25-mg/ml reconstituted holoenzyme was mixed with 0.7-ul reservoir solution under yellow light and incubated under dark conditions. The crystals grew within two weeks in 30% w/v polyethylene glycol 4000, 200-mM lithium sulfate and 100-mM Tris pH 8.5 (JBScreen Wizard 3&4 HTS, Jena Bioscience).

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.481	α = 90
b = 79.481	β = 90
c = 179.337	γ = 120

Symmetry
Space Group	P 31 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 315r		2016-09-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.97980	ESRF	BM30A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.1	68.833	100	0.059	0.062	0.019	1	28.8	10.8		39181			41.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.21	100		0.711	0.711	0.746	0.222	0.755	1.1	11.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4JJF	2.1	39.74	39126	1876	99.9	0.197	0.195	0.235	RANDOM	61.86

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]
-0.4312			-0.4312		0.8623

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	14.57
t_omega_torsion	1.66
t_angle_deg	1.01
t_bond_d	0.008
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	14.57
t_omega_torsion	1.66
t_angle_deg	1.01
t_bond_d	0.008
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5196
Nucleic Acid Atoms
Solvent Atoms	224
Heterogen Atoms	103

Software

Software
Software Name	Purpose
SCALA	data scaling
BUSTER	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
MOLREP	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.