Immunogen sequence: HFPLVVWQTG SGTQTNMNVN EVISNRAIEM LGGELGSKIP VHPNDHVNKS QSSNDTFPTA MHIAAAIEVH EVLLPGLQKL HDALDAKSKE FAQIIK. The protein encoded by this gene is an enzymatic component of the tricarboxylic acid cycle, or Krebs cycle, and catalyzes the f