1XEU

Crystal Structure of Internalin C from Listeria monocytogenes

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H6T	truncated model of Internalin B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	magnesium sulfate and MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.82	67.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.327	α = 90
b = 177.802	β = 90
c = 42.222	γ = 90

Symmetry
Space Group	P 21 21 2

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		2002-10-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6	0.87	SRS	PX9.6

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	30	87.7	0.091	0.091	16.3	3.6	28367	24878			26.9

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)
	2		77.2		0.484	0.484	2.2	3.6	21899

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	truncated model of Internalin B	2.05	19.76	27434	23591	1255	30	0.228	0.2023	0.20016	0.24256	RANDOM	25.781

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]
-0.61			1.7		-1.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	16.428
r_scangle_it	4.552
r_dihedral_angle_1_deg	4.403
r_scbond_it	2.694
r_angle_refined_deg	1.644
r_mcangle_it	1.603
r_mcbond_it	0.82
r_angle_other_deg	0.797
r_symmetry_hbond_refined	0.347
r_nbd_refined	0.245
r_nbd_other	0.222
r_xyhbond_nbd_refined	0.212
r_symmetry_vdw_other	0.201
r_symmetry_vdw_refined	0.183
r_xyhbond_nbd_other	0.117
r_chiral_restr	0.101
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2080
Nucleic Acid Atoms
Solvent Atoms	225
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing