1.   f.49.1        Proton glutamate symport protein    
                   Proton glutamate symport protein multihelical membrane protein; partial structural duplication in the C-terminal region; oligomeric state: trimer
                   2nwx  d2nwxb1  B:57-73,73-108,277-293,295-307,389-416
                   2nwx  d2nwxa1  A:57-73,73-108,277-293,295-307,389-416
                   2nwx  d2nwxc1  C:57-73,73-108,277-293,295-307,389-416
                   1xfh  d1xfhb_  B:42-70,73-108,277-293,301-311,389-416
                   2nww  d2nwwc1  C:43-70,73-108,277-293,295-311,389-416
                   1xfh  d1xfha_  A:42-70,73-108,277-293,295-311,389-416
                   2nww  d2nwwa1  A:42-70,73-108,277-293,295-311,389-416
                   2nww  d2nwwb1  B:42-70,73-108,277-293,295-311,389-416
                   1xfh  d1xfhc_  C:42-70,73-108,277-293,295-311,389-416

5.   f.54.1        SNF-like    
                   SNF-like 12 transmembrane helices; duplication: consists of two structurally similar halves
                   2qb4  d2qb4a1  A:28-39,136-153,274-307,307-319,318-335
                   2q72  d2q72a1  A:28-39,136-153,274-307,307-319,318-335
                   2q6h  d2q6ha1  A:28-39,136-153,274-307,307-318,320-335
                   2qju  d2qjua1  A:24-39,136-153,274-307,307-319,318-335