X-RAY DIFFRACTION |
? |
277 |
THIS IS THE HIGH-ACTIVITY ERYTHROCYTIC FORM OF HUMAN
CARBONIC ANHYDRASE, CARBONIC ANHYDRASE II, OR CAII.
CRYSTALLIZED IN 50 MM TRIS-HCL 2.4 M AMMONIUM SULFATE
PH 8.5 AND 1 MM HGCL2 AT 4 DEG C (TILANDER, B.,
STRANDBERG, B. AND FRIDBORG, K. (1965). CRYSTAL STRUCTURE
ON HUMAN ERYTHROCYTIC CARBONIC ANHYDRASE C. J. MOL. BIOL.
12, 740-760.) THE MERCURY IS SUBSEQUENTLY REMOVED BY
MERCAPTOETHANOL. THE CRYSTAL IS SOAKED IN 0.6M KNO3 80 MM
CITRATE 3M AMMONIUM SULFATE PH 6.0., temperature 277K |