1GZQ

CD1b in complex with Phophatidylinositol

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		PARTIALLY REFINED STRUCTURE OF CD1B-GM2 COMPLEX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.1	293	20 DEGREES C, 2UL OF PROTEIN + 1UL OF MOTHER LIQUOR, 0.2M LITHIUM NITRATE, 20% W/V POLYETHYLENE GLYCOL 3350, PH 7.1

Crystal Properties
Matthews coefficient	Solvent content
3.25	64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.881	α = 90
b = 176.998	β = 90
c = 75.277	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 210		2001-10-15	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	2.2	25	92.3	0.051	39.1	12.1		334867		-0.5	36.9

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	2.2	2.28	89.8		0.206	15.8

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	PARTIALLY REFINED STRUCTURE OF CD1B-GM2 COMPLEX	2.26	24.3	25407	751	91.1	0.203	0.203	0.237	RANDOM	58.7

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]
14.73			-10.81		-3.92

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.9
c_scangle_it	6.06
c_scbond_it	4.57
c_mcangle_it	3.91
c_mcbond_it	2.56
c_angle_deg	1.4
c_improper_angle_d	0.86
c_bond_d	0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2997
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	102

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing