1QIY
HUMAN INSULIN HEXAMERS WITH CHAIN B HIS MUTATED TO TYR COMPLEXED WITH PHENOL
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RUH2R |
Temperature [K] | 289 |
Detector technology | AREA DETECTOR |
Collection date | 1993-01-15 |
Detector | MULTIWIRE SIEMENS |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 61.100, 62.080, 48.350 |
Unit cell angles | 90.00, 109.87, 90.00 |
Refinement procedure
Resolution | 36.800 - 2.300 |
Rwork | 0.186 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | R6 (NATIVE) INSULIN |
RMSD bond length | 0.011 |
RMSD bond angle | 0.037 |
Data reduction software | XDS |
Data scaling software | SCALA |
Refinement software | PROLSQ |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 36.800 | 2.300 |
High resolution limit [Å] | 2.260 | 2.200 |
Rmerge | 0.046 | 0.107 |
Number of reflections | 13832 | |
<I/σ(I)> | 10 | 5 |
Completeness [%] | 92.0 | 95.5 |
Redundancy | 1.8 | 1.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Batch method * | 6.8 | CRYSTALLISATION IN BATCH, 10 MG B5 TYR INSULIN DISSOLVED IN 2 ML 0.02M HCL. TO THIS ADDED 0.1 ML 0.12M ZINC ACETATE, 1.5 ML 0.2 M TRI-SODIUM CITRATE, 0.4 ML 2.5% (AQ.) PHENOL AND 120 MG NACL. PH ADJUSTED TO 6.5-7.8 . |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | 1 | insulin | ||
2 | 1 | 1 | 0.02 (M) | 2 ml | |
3 | 1 | 1 | zinc acetate | 0.12 (M) | 0.1 ml |
4 | 1 | 1 | trisodium citrate | 0.2 (M) | 1.5 ml |
5 | 1 | 1 | phenol | 2.5 (%) | 0.4 ml |