Experiment: 9V3A

Crystal structure of de novo designed serotonin binder SROb2_26_L7F

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	Other		de novo designed model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE		291	25.5% (w/v) PEG 4000, 170 mM Ammonium sulfate, 15% (v/v) Glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.05	40.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.501	α = 90
b = 65.893	β = 90.7
c = 29.513	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	181	PIXEL	RIGAKU HyPix-6000HE		2024-05-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	Cu FINE FOCUS	1.54184

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	26.93	98.96	0.996	16.88	3.1		7301			17.91

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	2	2.13			0.1238	0.1481	0.0798	0.969	6.83

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2	26.93	0.06	7301	774	98.96	0.2021	0.2016	0.2341	0.2338

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	16.942
f_angle_d	0.887
f_chiral_restr	0.045
f_bond_d	0.007
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	938
Nucleic Acid Atoms
Solvent Atoms	194
Heterogen Atoms	25

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
PHENIX	model building
Coot	model building
PHASER	phasing
CrysalisPro	data reduction
CrysalisPro	data scaling

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.