ID 3.5.99.2 DE aminopyrimidine aminohydrolase. AN thiaminase. AN thiaminase II. CA (1) 4-amino-5-aminomethyl-2-methylpyrimidine + H2O = 4-amino-5- CA hydroxymethyl-2-methylpyrimidine + NH4(+). CA (2) H2O + thiamine = 4-amino-5-hydroxymethyl-2-methylpyrimidine + CA 5-(2-hydroxyethyl)-4-methylthiazole + H(+). CC -!- Previously known as thiaminase II, this enzyme is involved in the CC regeneration of the thiamine pyrimidine from degraded products, CC rather than in thiamine degradation, and participates in thiamine CC salvage pathways. DR B6TPF2, TENA2_MAIZE; F4KFT7, TENAC_ARATH; Q9ASY9, TENAE_ARATH; DR Q9SWB6, TENAE_SOYBN; P25052, TENA_BACSU ; Q9K9G8, TENA_HALH5 ; DR A8KRL3, TENA_HELPX ; Q2FF32, TENA_STAA3 ; Q2FWG0, TENA_STAA8 ; DR Q2YUL0, TENA_STAAB ; Q5HEA5, TENA_STAAC ; Q99SG3, TENA_STAAM ; DR Q7A4F3, TENA_STAAN ; Q6GEY1, TENA_STAAR ; Q6G7L6, TENA_STAAS ; DR Q7A0C8, TENA_STAAW ; O54496, TENA_STACT ; Q5HMC7, TENA_STAEQ ; DR Q8CNK1, TENA_STAES ; Q4L7X6, TENA_STAHJ ; Q49Z42, TENA_STAS1 ; DR Q08224, THI20_YEAST; //