Experiment: 6RMK

Bacteriorhodopsin, dark state, cell 2, refined using the same protocol as sub-ps time delays

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5B6V

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIPIDIC CUBIC PHASE		293	32% (W/V) PEG 2000, 0.1 M K2HPO4 /NAH2PO4, IN HAMILTON SYRINGES, PH 5.6, LIPIDIC CUBIC PHASE,

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.1	α = 90
b = 62.1	β = 90
c = 110.5	γ = 120

Symmetry
Space Group	P 63

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	PIXEL	CS-PAD CXI-2		2017-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	FREE ELECTRON LASER	SLAC LCLS BEAMLINE CXI	1.26	SLAC LCLS	CXI

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Split (All)	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	1.8	20.444	100	0.154	9.9	476		22403

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.85

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	5B6V	1.8	20.441	1.36	22360	1137	99.93	0.2439	0.2435	0.2447	0.2492	0.2447

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
f_dihedral_angle_d	15.581
f_angle_d	0.933
f_chiral_restr	0.048
f_plane_restr	0.01
f_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1787
Nucleic Acid Atoms
Solvent Atoms	36
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHENIX	refinement
CrystFEL	data reduction
CrystFEL	data scaling
PHASER	phasing