>tr|A0A0U2Y6C4|A0A0U2Y6C4_9CREN Tryptophan synthase alpha chain OS=Sulfolobus acidocaldarius GN=trpA MSKKYLVAYMTLGYPNVNDFYKFIDNIEDFGVDILEIGIPPKYAKYDGPVIRKTYKIVSN NIKNYYEILYEVKQRIKIPVVILTYLEEYVDKLGDFLLKLKESRVDGVLFPDLLIDYVDE YEKYVNLIKNEGIKTVLFTAPLMPDDLIIKASKLTDLFLYYGVRPTTGVVIPISIDSLIN RIRTMVQSKLVVGFGLNSIEDIKKAMSVGADGIAVGTSLIEEVDKNGVNGALELIKKLRG VLDEY