1NSA | pdb_00001nsa

THREE-DIMENSIONAL STRUCTURE OF PORCINE PROCARBOXYPEPTIDASE B: A STRUCTURAL BASIS OF ITS INACTIVITY

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		1.5 M AMMONIUM SULFATE AT PH5, pH 5.0

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.1	α = 90
b = 103.1	β = 90
c = 46.6	γ = 90

Symmetry
Space Group	P 43

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	TV AREA DETECTOR	BRUKER NONIUS FAST			M

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	2.3		93.7	0.09				23217

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		2.3	8	20131			0.169

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3174
Nucleic Acid Atoms
Solvent Atoms	204
Heterogen Atoms	1

Software

Software
Software Name	Purpose
MADNES	data collection
ABSCOR	data reduction
FRODO	model building
EREF	refinement
MADNES	data reduction
ABSCOR	data scaling