HHsearch alignment for GI: 254780487 and conserved domain: cd02032

>cd02032 Bchl_like This family of proteins contains bchL and chlL. Protochlorophyllide reductase catalyzes the reductive formation of chlorophyllide from protochlorophyllide during biosynthesis of chlorophylls and bacteriochlorophylls. Three genes, bchL, bchN and bchB, are involved in light-independent protochlorophyllide reduction in bacteriochlorophyll biosynthesis. In cyanobacteria, algae, and gymnosperms, three similar genes, chlL, chlN and chlB are involved in protochlorophyllide reduction during chlorophylls biosynthesis. BchL/chlL, bchN/chlN and bchB/chlB exhibit significant sequence similarity to the nifH, nifD and nifK subunits of nitrogenase, respectively. Nitrogenase catalyzes the reductive formation of ammonia from dinitrogen.
Probab=99.04  E-value=3.3e-09  Score=77.10  Aligned_cols=175  Identities=17%  Similarity=0.207  Sum_probs=101.9

Q ss_pred             EEEEECCCCCCCHHHHHHHHHHHHHCCCCCCEECCCCCCCHHHHHHHHHCCCCCCCCCCCCCCCC----CHHHHH-----
Q ss_conf             29998358987479999999999840486120138873806899999855787311443001451----034788-----
Q gi|254780487|r    4 RLVIVGTDTSVGKTIFASALVHALNAYYWKPIQSGMYEETDSKTIHRIGRIPKSHIIPEKWKLRT----PASPHL-----   74 (217)
Q Consensus         4 ~i~I~GT~t~vGKT~vs~~L~~~l~~~~~KPv~~G~~~~~D~~~~~~~~~~~~~~~~~~~~~~~~----~~~~~~-----   74 (217)
T Consensus         2 kiaiyGKG-GIGKSTttaNl~aaLA~~G~kVl~IgcDpk~Dst~~L--~g~~~~-tvld~l~~~~~~~~~~~~~d~v~~g   77 (267)
T cd02032           2 VLAVYGKG-GIGKSTTSSNLSVALAKRGKKVLQIGCDPKHDSTFTL--TGFLIP-TVIDILEEVDFHYEELWPEDVIYEG   77 (267)
T ss_pred             EEEEECCC-CCCHHHHHHHHHHHHHHCCCEEEEECCCCCHHHHHHH--CCCCCC-CHHHHHHHHCCCHHHCCHHHHHHCC
T ss_conf             79997799-6578778999999999879959997789951556752--698868-3999998608866641477875307


Q ss_pred             --------------HHHHHHCCCHHHHH-----HHHHHCCEEEEECCCCCCCC-CCCCCCHHHHHHHHCCCEEEEECCCC
Q ss_conf             --------------99985023507886-----42232887999227655566-76753089999974794489705776
Q gi|254780487|r   75 --------------AAEIDGVIIDPATI-----NPPDINDSIIIEGIGGLLVP-LTTEYLFIDLIERWQFPIILCARTSL  134 (217)
Q Consensus        75 --------------~~~~~~~~i~~~~~-----~~~~~~D~viIEGagg~~~~-~~~~~~~~dla~~l~~~vILV~~~~~  134 (217)
T Consensus        78 ~~gv~cvEaGgP~pg~Gcagrgi~~~~~lL~~l~~~~~~D~Vl~DvlgdVvcgGFa~pi~~Ad-------~~~iVTs~e~  150 (267)
T cd02032          78 YGGVDCVEAGGPPAGAGCGGYVVGETVKLLKELNLFEEYDVILFDVLGDVVCGGFAAPLNYAD-------YALIVTDNDF  150 (267)
T ss_pred             CCCCEEEECCCCCCCCCCCCCCHHHHHHHHHHCCCCCCCCEEEEECCCCCCCCCCCCCCCCCC-------EEEEEECCCH
T ss_conf             678457665899999887764048999999871664347789995366544566567610068-------8999956718


Q ss_pred             CHHHHH---HHHHHHHH-HCCCEEEEEEECCCCCCCHHHHHHHHCCCCEEEEECCCCCC
Q ss_conf             504579---99999998-47990799997697780059999986199899994788888
Q gi|254780487|r  135 GTINHS---LLSLETLR-NRNINIIGIAFIGDSMPKVEETIVKIGRIPHLGRLPKIDPI  189 (217)
Q Consensus       135 g~i~~~---~l~~~~~~-~~g~~i~GiIlN~~~~~~~~~~le~~~~ipvLG~iP~~~~~  189 (217)
T Consensus       151 ~sl~aAn~I~~~i~~~~~~~~~rl~GlI~Nr~~~~~~i~~fa~~lg~~lig~VP~d~~V  209 (267)
T cd02032         151 DSIFAANRIAAAVREKAKTYKVRLAGLIANRTDKTDLIDKFVEAVGMPVLAVLPLIEDI  209 (267)
T ss_pred             HHHHHHHHHHHHHHHHHHCCCCCCCEEEEECCCCHHHHHHHHHHHCCCEEEECCCCHHH
T ss_conf             78999999999999975337976422787469857899999997299469966993388