4V1L

High resolution structure of a novel carbohydrate binding module from glycoside hydrolase family 9 (Cel9A) from Ruminococcus flavefaciens FD-1

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4V1K	PDB ENTRY 4V1K

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		1 M SODIUM CITRATE, 0.1 M MES PH 6.5, 30% GLYCEROL WAS ADDED IN ABOVE CONDITOIN FOR TEH CRYOPROTECTANT

Crystal Properties
Matthews coefficient	Solvent content
3.17	61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.25	α = 90
b = 102.525	β = 90
c = 109.46	γ = 90

Symmetry
Space Group	I 21 21 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 315r		2013-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A		ESRF	BM30A

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	1.75	30.19	100	0.13	15.8	13.9		58166

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	1.75	1.84	100		1.38	1.8	11.3

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	PDB ENTRY 4V1K	1.75	74.83	55267	2898	99.97	0.15956	0.15849	0.17975	RANDOM	26.966

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]
0.47			0.75		-1.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.874
r_dihedral_angle_4_deg	36.663
r_dihedral_angle_3_deg	13.26
r_dihedral_angle_1_deg	6.286
r_scbond_it	4.261
r_mcangle_it	2.859
r_mcbond_it	1.939
r_mcbond_other	1.937
r_angle_refined_deg	1.455
r_angle_other_deg	1.141
r_chiral_restr	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.006
r_gen_planes_other	0.005
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3042
Nucleic Acid Atoms
Solvent Atoms	351
Heterogen Atoms	104

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing