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DETERMINATION AND RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURES OF RIBONUCLEASE SA AND ITS COMPLEX WITH 3'-GUANYLIC ACID AT 1.8 ANGSTROMS RESOLUTION
1sar is a 2 chain structure with sequence from Kitasatospora aureofaciens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.