4HAQ

Crystal Structure of a GH7 family cellobiohydrolase from Limnoria quadripunctata in complex with cellobiose and cellotriose

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOUR DIFFUSION	8	289	0.2M MAGNESIUM CHLORIDE, 0.1M BIS-TRIS, 25% w/v PEG 3350, PH 8.0, VAPOUR DIFFUSION, SITTING DROP, TEMPERATURE 289K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.39	α = 94.39
b = 54.27	β = 96.33
c = 72.67	γ = 94.99

Symmetry
Space Group	P 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	PIXEL	DECTRIS PILATUS 6M		2012-05-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9173	Diamond	I02

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	1.9	45.04	96	0.146	6.7	3.4		59787

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	1.9	2	95.4		0.513	0.513	1.3	3.5

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	4GWA	1.9	44.62	59782	3030	96.03	0.168	0.1653	0.2168	RANDOM	13.627

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]
0.06	0.01	-0.01	-0.02		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.738
r_dihedral_angle_4_deg	24.407
r_dihedral_angle_3_deg	14.42
r_dihedral_angle_1_deg	6.907
r_angle_refined_deg	2.043
r_chiral_restr	0.15
r_bond_refined_d	0.019
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6514
Nucleic Acid Atoms
Solvent Atoms	564
Heterogen Atoms	91

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
GDA	data collection

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.