PDB,Amino Acid Substitution,Chain ID,pH,T 1SHG,Y57F,A,7,24.85 2AFG,C117I,A,6.6,25 2LZM,M102L,A,3.01,51.76 1EY0,H46G,A,7,20 1FC1,Y349A,A,7.4,20 1PIN,P8A,A,7,40 2LZM,V149C,A,5.4,59 1AJ3,L88A,A,7,25 1ZNJ,T8H,A,8,25 1WQ5,E49T,A,9,25