HHsearch alignment for GI: 254780272 and conserved domain: cd07019

>cd07019 S49_SppA_1 Signal peptide peptidase A (SppA), a serine protease, has catalytic Ser-Lys dyad. Signal peptide peptidase A (SppA; Peptidase S49; Protease IV): SppAs in this subfamily are found in all three domains of life and are involved in the cleavage of signal peptides after their removal from the precursor proteins by signal peptidases. Site-directed mutagenesis and sequence analysis have shown these bacterial, archaeal and thylakoid SppAs to be serine proteases. The predicted active site serine for members in this family occurs in a transmembrane domain. Mutagenesis studies also suggest that the catalytic center comprises a Ser-Lys dyad (both residues absolutely conserved within bacteria, chloroplast and mitochondrial signal peptidase family members) and not the usual Ser-His-Asp catalytic triad found in the majority of serine proteases. In addition to the carboxyl-terminal protease domain that is conserved in all the S49 family members, the E. coli SppA contains an amino-te
Probab=99.44  E-value=1.2e-12  Score=100.32  Aligned_cols=152  Identities=22%  Similarity=0.212  Sum_probs=110.3

Q ss_pred             HHHHHHHHHHHHHCCCCCCEEEEEECCCCCHHHHHHHHHHHHHCC---CCEEEEEECCCCCCCCCCCCCCCCCCEEECCC
Q ss_conf             999999999974115769769999368761467899999986448---73489983155665200002467771455441
Q gi|254780272|r   56 ATLICAQLLFLEAENPQKEISLYINSPGGVVTAGMAIYDTMQFIK---PPISTFCMGQAASMGSLLLSAGEKGMRFALPN  132 (216)
Q Consensus        56 a~~iia~Ll~L~~~~~~k~I~l~INSpGG~v~~glaIyD~i~~i~---~~V~Ti~~G~aaS~aslIl~aG~~g~R~~~pn  132 (216)
T Consensus        23 ~~~i~~~l~~A~~d~~Vkavvl~InSpGG~~~~s~~i~~~i~~~~~~~KPVva~~~~~aaSggY~iAsaad--~I~a~p~  100 (211)
T cd07019          23 GDTTAAQIRDARLDPKVKAIVLRVNSPGGSVTASEVIRAELAAARAAGKPVVVSAGGAAASGGYWISTPAN--YIVANPS  100 (211)
T ss_pred             HHHHHHHHHHHHHCCCCCEEEEEEECCCCCHHHHHHHHHHHHHHHHCCCCEEEEECCCCCHHHHHHHHCCC--EEEECCC
T ss_conf             99999999999528997389999769697689999999999998646997999977844348899985589--8998488


Q ss_pred             HHH------HHHHHHHHH------------HHHHHHH----------H-HHHHHHHHHHHHHHHHHHHHCCCCHHHHHHH
Q ss_conf             566------441256666------------5554128----------9-9999999999999999998719998999997
Q gi|254780272|r  133 ARI------LLHQPSGGF------------SGQASDI----------E-RHAQDIVKIKRRLNEIYVKNCGKTYEEVEKT  183 (216)
Q Consensus       133 s~i------MiHqps~~~------------~G~~~di----------~-~~a~el~~~~~~l~~i~a~~Tg~~~e~i~~~  183 (216)
T Consensus       101 s~vGSIGV~~~~~~~~~~~~k~Gi~~~~i~~~~~~~~~~~~~lt~e~r~~~q~~vd~~~~~F~~~Va~~R~~~~~~v~~~  180 (211)
T cd07019         101 TLTGSIGIFGVITTVENSLDSIGVHTDGVSTSPLADVSITRALPPEAQLGLQLSIENGYKRFITLVADARHSTPEQIDKI  180 (211)
T ss_pred             CCEEEEEEEEEECCHHHHHHHCCEEEEEEECCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHHHH
T ss_conf             73565568998337677777468357899745666678889999999999999999999999999997679995783754


Q ss_pred             HCCCCCCCHHHHHHCCCCCEEECCCCC
Q ss_conf             245858888999975886446045422
Q gi|254780272|r  184 LDRDHIMSASEACDWGVVDKVLMSRID  210 (216)
Q Consensus       184 ~~rD~~lsa~EA~eyGliD~Ii~~~~e  210 (216)
T Consensus       181 a-~G~v~~g~~A~~~GLiD~ig~~~~a  206 (211)
T cd07019         181 A-QGHVWTGQDAKANGLVDSLGDFDDA  206 (211)
T ss_pred             C-CCCEEEHHHHHHCCCCCCCCCHHHH
T ss_conf             6-8557878999986996556999999