1.4.1.14 - 1.4.1.14 136fold purification 1.4.1.14 150fold partial purification, strain am(132) 1.4.1.14 167fold purification 1.4.1.14 2 isoenzymes: NADH-GOGAT I with 877fold purification and NADH-GOGAT II with 631fold purification 1.4.1.14 208fold purification 1.4.1.14 20fold partial purification 1.4.1.14 222fold purification 1.4.1.14 350fold purification 1.4.1.14 500fold purification 1.4.1.14 58fold purification 1.4.1.14 74fold partial purification 1.4.1.14 7500fold purification 1.4.1.14 815fold purification 1.4.1.14 partial purification 1.4.1.14 Sephadex G-25 gel filtration