1QXP | pdb_00001qxp

Crystal Structure of a mu-like calpain

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.25	295	PEG 6000,morpholino ethane sulfonic acid, sodium chloride, n-nonyl-beta-D-maltoside , pH 6.25, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.75	55.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.738	α = 90
b = 184.596	β = 100.74
c = 86.37	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	ADSC QUANTUM 4		2002-05-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE F1	0.916117	CHESS	F1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.7	50	91.1			50621	50621

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.7	2.8	81.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.8	91.29	47780	47780	2550	91.6	0.2329	0.23294	0.22877	0.23	0.31089	RANDOM	49.683

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]
-0.4		1.47	1.09		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	10.702
r_dihedral_angle_1_deg	10.191
r_scbond_it	7.38
r_mcangle_it	5.565
r_angle_refined_deg	4.43
r_mcbond_it	3.341
r_angle_other_deg	1.871
r_symmetry_hbond_refined	0.477
r_symmetry_vdw_refined	0.435
r_symmetry_vdw_other	0.368
r_nbd_refined	0.34
r_nbd_other	0.32
r_chiral_restr	0.284
r_xyhbond_nbd_refined	0.277
r_nbtor_other	0.144
r_bond_refined_d	0.074
r_gen_planes_refined	0.024
r_gen_planes_other	0.023
r_bond_other_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12056
Nucleic Acid Atoms
Solvent Atoms	312
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing