2.2.1.1 additional information - - 486002 2.2.1.1 additional information - pI: 4.8 485995 2.2.1.1 additional information - pI: 6.5-8.5 (6-8 distinct isozymes, isoelectric focusing) 486004 2.2.1.1 additional information - pI: 7.6-7.8 486002, 486003 2.2.1.1 additional information - pI: 8.5 486013 2.2.1.1 additional information - pI: 8.6 486006 2.2.1.1 6.2 7.8 R359A, R528A 486015 2.2.1.1 6.6 7.4 H481Q 486016 2.2.1.1 6.6 7.8 H469A 486015 2.2.1.1 6.8 7.8 D477A 486015