6A3H

2-DEOXY-2-FLURO-B-D-CELLOTRIOSYL/ENZYME INTERMEDIATE COMPLEX OF THE ENDOGLUCANASE CEL5A FROM BACILLUS AGARADHEARANS AT 1.6 ANGSTROM RESOLUTION

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1A3H	PDB ENTRY 1A3H

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.5		pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
1.95	36.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.28	α = 90
b = 69.7	β = 90
c = 76.94	γ = 90

Symmetry
Space Group	P 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	IMAGE PLATE	MARRESEARCH	YALE/MSC MIRRORS	1997-11-01	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.65	15	99.9	0.057	0.057	23.9	4.2		34744			13.47

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	1.68	1.74	98.3		0.317	0.317	4.6	4.3

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1A3H	1.68	15	34342	1747	99.5	0.15	0.185	RANDOM	15.3

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	29
p_staggered_tor	12.2
p_planar_tor	3.6
p_scangle_it	3.099
p_scbond_it	2.127
p_mcangle_it	1.767
p_mcbond_it	1.213
p_multtor_nbd	0.232
p_singtor_nbd	0.174
p_xyhbond_nbd	0.116
p_chiral_restr	0.107
p_planar_d	0.023
p_angle_d	0.022
p_plane_restr	0.02
p_bond_d	0.007
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2377
Nucleic Acid Atoms
Solvent Atoms	331
Heterogen Atoms	81

Software

Software
Software Name	Purpose
CCP4	model building
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
CCP4	phasing