2AW2

Crystal structure of the human BTLA-HVEM complex

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1XAU	pdb entry 1XAU and chain B from 1JMA
experimental model	PDB	1JMA	pdb entry 1XAU and chain B from 1JMA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	292	2.0 M NaFormate, 0.1 M Na Acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
3.3	62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.294	α = 90
b = 167.116	β = 90
c = 148.68	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	100	CCD	ADSC QUANTUM 4		2005-03-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	1.00	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.8	50	99.9	0.052	0.052	13.4	3.98	15639	15639		-3	70

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.9	100		0.455	0.455	2.3	4	1543

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	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 1XAU and chain B from 1JMA	2.8	30	-3	15599	15591	1686	99.95	0.2364	0.23649	0.23127	0.27838	Thin shells	61.821

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]
2.72			-1.88		-0.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.267
r_dihedral_angle_3_deg	17.715
r_dihedral_angle_4_deg	12.784
r_dihedral_angle_1_deg	6.474
r_mcangle_it	2.518
r_scangle_it	2.308
r_mcbond_it	1.909
r_scbond_it	1.527
r_angle_refined_deg	1.039
r_angle_other_deg	0.68
r_mcbond_other	0.283
r_symmetry_vdw_other	0.226
r_nbtor_refined	0.174
r_symmetry_vdw_refined	0.172
r_nbd_refined	0.171
r_nbd_other	0.164
r_xyhbond_nbd_refined	0.125
r_nbtor_other	0.08
r_chiral_restr	0.061
r_symmetry_hbond_refined	0.033
r_bond_refined_d	0.007
r_bond_other_d	0.002
r_gen_planes_refined	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3202
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms	53

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing