ID 5.99.1.4 DE 2-hydroxychromene-2-carboxylate isomerase. AN 2HC2CA isomerase. AN HCCA isomerase. CA 2-hydroxychromene-2-carboxylate = (3E)-4-(2-hydroxyphenyl)-2-oxobut-3- CA enoate. CC -!- This enzyme is involved in naphthalene degradation. DR Q51948, NAHD_PSEPU ; Q52462, NAHD_PSEU8 ; Q9X9Q7, NSAD_SPHXE ; //