1RWE

Enhancing the activity of insulin at receptor edge: crystal structure and photo-cross-linking of A8 analogues

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1TRZ	PDB ENTRIES 1TRZ AND 1MPJ
experimental model	PDB	1MPJ	PDB ENTRIES 1TRZ AND 1MPJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.8	298	Tris, sodium citrate, acetone, phenol, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.80

Crystal Properties
Matthews coefficient	Solvent content
1.8	31.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.341	α = 90
b = 79.341	β = 90
c = 34.708	γ = 120

Symmetry
Space Group	H 3

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		1998-08-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-D		APS	14-BM-D

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	1.8	19.18	98.4	0.048	23.52	4.3		7426			16.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.91	95.4		0.224	9.2	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	PDB ENTRIES 1TRZ AND 1MPJ	1.8	19.18	7523	7426	796	98.4	0.189	0.189	0.245	RANDOM	24

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]
-1.61	-0.29		-1.61		3.23

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20.3
c_scangle_it	3.13
c_mcangle_it	2.3
c_scbond_it	2.12
c_mcbond_it	1.45
c_angle_deg	1.2
c_improper_angle_d	0.64
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	816
Nucleic Acid Atoms
Solvent Atoms	136
Heterogen Atoms	11

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing