HHsearch alignment for GI: 254780911 and conserved domain: cd04903

>cd04903 ACT_LSD C-terminal ACT domain of the L-serine dehydratase (LSD), iron-sulfur-dependent, beta subunit. The C-terminal ACT domain of the L-serine dehydratase (LSD), iron-sulfur-dependent, beta subunit, found in various bacterial anaerobes such as Clostridium, Bacillis, and Treponema species. These enzymes catalyze the deamination of L-serine, producing pyruvate and ammonia. Unlike the eukaryotic L-serine dehydratase, which requires the pyridoxal-5'-phosphate (PLP) cofactor, the prokaryotic L-serine dehydratase contains an [4Fe-4S] cluster instead of a PLP active site. The LSD alpha and beta subunits of the 'clostridial' enzyme are encoded by the sdhA and sdhB genes. The single subunit bacterial homologs of L-serine dehydratase (LSD1, LSD2, TdcG) present in Escherichia coli, and other enterobacterials, lack the ACT domain described here. Members of this CD belong to the superfamily of ACT regulatory domains.
Probab=95.72  E-value=0.037  Score=35.90  Aligned_cols=56  Identities=11%  Similarity=0.046  Sum_probs=43.7

Q ss_pred             EEEEECCCCCCHHHHHHHHHHHCCCCEEEEEEEECCCCCEEEEEEEEECCCCHHHH
Q ss_conf             99998599876688899999857981897344432436889999999728852777
Q gi|254780911|r    5 ILTITCPSNEEITSIIPDYLSTQGCNILDISQFNDLDTSKLFMRISFVFNTCMKLF   60 (288)
Q Consensus         5 iLti~CpD~~GIVA~VT~~La~~g~NI~~~~Q~~D~~~~~FFmRi~f~~~~~~~~l   60 (288)
T Consensus         1 TL~i~~~D~PG~Ig~i~~~L~~~~INIa~m~v~R~~~g~~A~~ii~~D~~v~~~~l   56 (71)
T cd04903           1 TLIVVHKDKPGAIAKVTSVLADHEINIAFMRVSRKEKGDQALMVIEVDQPIDEEVI   56 (71)
T ss_pred             CEEEEECCCCCCHHHHHHHHHHCCCCCHHEEEECCCCCCEEEEEEECCCCCCHHHH
T ss_conf             98999448699199999999865968036187515899789999992899999999