an 11,12-saturated fatty acyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = an (11Z)-Delta(11)-fatty acyl-CoA + 2 Fe(III)-[cytochrome b5] + 2 H2O
an 11,12-saturated fatty acyl-coa + 2 fe(ii)-[cytochrome b5] + o2 + 2 h(+) = an (11z)-delta(11)-fatty acyl-coa + 2 fe(iii)-[cytochrome b5] + 2 h2o
"fatty acid Delta(11)-desaturase"
"fatty acid delta(11)-desaturase"