HHsearch alignment for GI: 255764481 and conserved domain: cd03351

>cd03351 LbH_UDP-GlcNAc_AT UDP-N-acetylglucosamine O-acyltransferase (UDP-GlcNAc acyltransferase): Proteins in this family catalyze the transfer of (R)-3-hydroxymyristic acid from its acyl carrier protein thioester to UDP-GlcNAc. It is the first enzyme in the lipid A biosynthetic pathway and is also referred to as LpxA. Lipid A is essential for the growth of Escherichia coli and related bacteria. It is also essential for maintaining the integrity of the outer membrane. UDP-GlcNAc acyltransferase is a homotrimer of left-handed parallel beta helix (LbH) subunits. Each subunit contains an N-terminal LbH region with 9 turns, each containing three imperfect tandem repeats of a hexapeptide repeat motif (X-[STAV]-X-[LIV]-[GAED]-X), and a C-terminal alpha-helical region.
Probab=99.90  E-value=1e-23  Score=168.80  Aligned_cols=162  Identities=19%  Similarity=0.357  Sum_probs=137.9

Q ss_pred             CCCCCCCEECCCEEECCCCEECCCCEECCCCEECCCCEECCCCEECCCCEECC------------CCEEEEEEECCCCCE
Q ss_conf             50579975655108889859988989956559889989988989866868916------------846865531143422
Q gi|255764481|r    2 SRMGNNPIIHPLALVEEGAVIGPNSLIGPFCCVGSEVEIGAGVELISHCVVAG------------KTKIGDFTKVFPMAV   69 (271)
Q Consensus         2 ~~i~~~~~IhpsA~I~~~a~Ig~~v~Igp~~~I~~~v~IG~~~~I~~~v~I~g------------~t~IG~~~~I~~~a~   69 (271)
T Consensus        12 A~IG~~v~Igp~~vIg~~V~IG~~~~I~~~v~I~~~t~IG~~~~I~~~avIG~~pqd~~~~g~~~~v~IG~~~~Ire~vt   91 (254)
T cd03351          12 AKIGENVEIGPFCVIGPNVEIGDGTVIGSHVVIDGPTTIGKNNRIFPFASIGEAPQDLKYKGEPTRLEIGDNNTIREFVT   91 (254)
T ss_pred             CEECCCCEECCCCEECCCCEECCCCEECCCCEECCCCEECCCEEECCCCCCCCCCCCCCCCCCCCEEEECCCCEECCCCC
T ss_conf             99999799999989999999999999979968919979776525605753477876767379867699799778995330


Q ss_pred             EEECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCHHCCCCCCCCCCCCCCCCCCCCCCCCCCCCEE
Q ss_conf             32102333122222233222222212244321111222222122332000016655433100123443223452455321
Q gi|255764481|r   70 LGGDTQSKYHNFVGTELLVGKKCVIREGVTINRGTVEYGGKTIVGDNNFFLANSHVAHDCKLGNGIVLSNNVMIAGHVIV  149 (271)
Q Consensus        70 Ig~~~qd~~~~g~~~~v~IG~~~~Ire~v~I~~gt~~~~~~T~IG~~~~i~~~~hI~Hd~~IG~~vii~n~~~l~G~v~I  149 (271)
T Consensus        92 I~rgt-----~~~~~~T~IG~~~~im~~~HIa-------Hdc~IG~~~iian~~~laGhv~Igd~a~IGg~~~v~q~v~I  159 (254)
T cd03351          92 IHRGT-----AQGGGVTRIGNNNLLMAYVHVA-------HDCVIGNNVILANNATLAGHVEIGDYAIIGGLSAVHQFCRI  159 (254)
T ss_pred             CCCCC-----CCCCCCEEECCCCEEEECCCCC-------CCCCCCCCEEEECCCCCCCCEEECCCCEECCCCEECCCCEE
T ss_conf             23674-----3788755978885782025445-------67733797599334455685698998489883677598199


Q ss_pred             CCCEEECCCCCCCCCEEEECCCEEECCC
Q ss_conf             4860652344433650640474350132
Q gi|255764481|r  150 DDRVVFGGGSAVHQFTRIGKYAFIGGMT  177 (271)
Q Consensus       150 gd~~~IG~~~~v~~~v~IG~~a~ig~gs  177 (271)
T Consensus       160 G~~a~Igags~V~kD--Vpp~~~v~G~P  185 (254)
T cd03351         160 GRHAMVGGGSGVVQD--VPPYVIAAGNR  185 (254)
T ss_pred             CCCEEECCCCEEECC--CCCCCEECCCC
T ss_conf             966199767456113--69872651796