2UWN

Crystal structure of Human Complement Factor H, SCR domains 6-8 (H402 risk variant), in complex with ligand.

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2JGW	PDB ENTRY 2JGW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		0.1M SODIUM ACETATE, PH4.5, 20% (W/V) PEG3000

Crystal Properties
Matthews coefficient	Solvent content
2.2	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.756	α = 90
b = 92.491	β = 90
c = 57.311	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC CCD		2005-09-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	2.35	20	98.1	0.09	16	6.8		8392			5.1

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	2.35	2.48	88.9		0.43	4.4	5.6

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2JGW	2.35	15	8366	834		0.217	0.214	0.214	0.246	0.217

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
t_dihedral_angle_d	18.483
t_angle_deg	1.264
t_it	1.114
t_nbd	0.291
t_gen_planes	0.018
t_bond_d	0.013
t_trig_c_planes	0.002
t_incorr_chiral_ct
t_pseud_angle
t_omega_torsion

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	18.483
t_angle_deg	1.264
t_it	1.114
t_nbd	0.291
t_gen_planes	0.018
t_bond_d	0.013
t_trig_c_planes	0.002
t_incorr_chiral_ct
t_pseud_angle
t_omega_torsion
t_other_torsion
t_improper_torsion
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	1479
Nucleic Acid Atoms
Solvent Atoms	135
Heterogen Atoms	76

Software

Software
Software Name	Purpose
DM	model building
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
BUSTER-TNT	phasing
SHARP-SOLOMON	phasing
DM	phasing
pirate	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.