2FNC

Thermotoga maritima maltotriose binding protein bound with maltotriose.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MBP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	290	0.2M Na Acetate, 0.1M Na Cacodylate pH 6.5, 30% w/v PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.836	α = 90
b = 56.183	β = 94.67
c = 88.794	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARMOSAIC 300 mm CCD		2004-03-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.63	50	98.7	0.073		2.5	43576	43576

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.63	1.69	99.8		0.53	1.8	2.4	4382

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	3MBP	1.7	50	38268	38268	1913	98.55	0.195	0.195	0.194	0.23	RANDOM	23.972

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]
-0.36		0.58	-0.76		1.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.876
r_dihedral_angle_4_deg	21.839
r_dihedral_angle_3_deg	14.055
r_dihedral_angle_1_deg	5.515
r_scangle_it	2.921
r_scbond_it	2.122
r_angle_refined_deg	1.321
r_mcangle_it	1.211
r_mcbond_it	1.078
r_angle_other_deg	0.816
r_symmetry_hbond_refined	0.222
r_nbd_refined	0.21
r_symmetry_vdw_other	0.203
r_mcbond_other	0.197
r_nbtor_refined	0.182
r_symmetry_vdw_refined	0.17
r_nbd_other	0.168
r_xyhbond_nbd_refined	0.143
r_nbtor_other	0.084
r_chiral_restr	0.077
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2926
Nucleic Acid Atoms
Solvent Atoms	330
Heterogen Atoms	34

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
AMoRE	phasing