1TK2 | pdb_00001tk2

Crystal Structure of the Complex formed between Alkaline Proteinase Savinase and Gramicidin S at 1.5A Resolution

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		0.33M NACL, 10% PEG 4000, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K

Crystal Properties
Matthews coefficient	Solvent content
2	35.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.25	α = 90
b = 73.34	β = 90
c = 40.89	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	277	OSCILLATION CAMERA	CUSTOM-MADE		1991-08-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11		EMBL/DESY, HAMBURG	X11

Data Collection

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 (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1SVN	1.54	27.32	31702	1038	100	0.17	0.169	0.189	RANDOM	16.93

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]
0.6			-0.42		-0.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	18.589
r_dihedral_angle_1_deg	5.594
r_scangle_it	4.805
r_scbond_it	3.107
r_mcangle_it	1.922
r_angle_refined_deg	1.821
r_mcbond_it	1.01
r_angle_other_deg	0.973
r_nbd_refined	0.368
r_symmetry_vdw_other	0.327
r_symmetry_vdw_refined	0.267
r_nbd_other	0.22
r_symmetry_hbond_refined	0.2
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.106
r_nbtor_other	0.102
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_gen_planes_other	0.004
r_bond_other_d	0.001
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1961
Nucleic Acid Atoms
Solvent Atoms	192
Heterogen Atoms	2

Software

Software
Software Name	Purpose
AMoRE	phasing
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling