4AY9

Structure of follicle-stimulating hormone in complex with the entire ectodomain of its receptor

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1XWD	PDB ENTRY 1XWD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		0.1M HEPES PH 7.5, 10% (V/V) ISOPROPANOL AND 20% (W/V) POLYETHYLENE GLYCOL 4000

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.716	α = 60.3
b = 95.478	β = 80.02
c = 95.675	γ = 75.35

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARRESEARCH MX-300			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D		APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.5	50	97.4	0.07	15.8	6.4		70869

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.6	95.8		0.4	3.3	5.1

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	PDB ENTRY 1XWD	2.5	47.9	67270	3599	100	0.23683	0.23508	0.26901	RANDOM	61.853

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]
3.13	-2.36	-1.13	-1.29	2.14	-2.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.075
r_dihedral_angle_3_deg	19.929
r_dihedral_angle_4_deg	18.673
r_dihedral_angle_1_deg	7.495
r_scangle_it	3.173
r_mcangle_it	2.013
r_scbond_it	1.927
r_angle_refined_deg	1.267
r_mcbond_it	1.103
r_angle_other_deg	0.669
r_mcbond_other	0.079
r_chiral_restr	0.074
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11911
Nucleic Acid Atoms
Solvent Atoms	223
Heterogen Atoms	210

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
XSCALE	data scaling
PHASER	phasing