HHsearch alignment for GI: 254780831 and conserved domain: TIGR01281

>TIGR01281 DPOR_bchL light-independent protochlorophyllide reductase, iron-sulfur ATP-binding protein; InterPro: IPR005971 Synonym: dark protochlorophyllide reductase Protochlorophyllide reductase catalyzes the reductive formation of chlorophyllide from protochlorophyllide during biosynthesis of chlorophylls and bacteriochlorophylls. The light-independent (dark) form of protochlorophyllide reductase plays a key role in the ability of gymnosperms, algae, and photosynthetic bacteria to form chlorophyll in the dark. Genetic and sequence analyses have indicated that dark protochlorophyllide reductase consists of three protein subunits that exhibit significant sequence similarity to the three subunits of nitrogenase, which catalyzes the reductive formation of ammonia from dinitrogen. Dark protochlorophyllide reductase activity was shown to be dependent on the presence of all three subunits, ATP, and the reductant dithionite. The BchL peptide (ChlL in chloroplast and cyanobacteria) is an ATP-binding iron-sulphur protein of the dark form protochlorophyllide reductase, an enzyme similar to nitrogenase . ; GO: 0005524 ATP binding, 0016730 oxidoreductase activity acting on iron-sulfur proteins as donors, 0015995 chlorophyll biosynthetic process, 0019685 photosynthesis dark reaction.
Probab=99.85  E-value=6.1e-20  Score=152.88  Aligned_cols=219  Identities=24%  Similarity=0.325  Sum_probs=141.2

Q ss_pred             CCEECCCCCCCCCHHHHHHHHHHHHCCCCCEEEEEECCCCCCC--------CCCEECCCCCCCCCC----CCCCCCCCCC
Q ss_conf             2010244666542578999989872357750698822467876--------531000245631123----3445766322
Q gi|254780831|r   96 KFVAVASGKGGVGKSTTVVNIACALKNKGKNVAILDADVYGPS--------IPKLLKISGKVEISD----KKFLKPKENY  163 (341)
Q Consensus        96 ~iiav~SgKGGVGKSt~s~nLa~ala~~G~~V~liDaDi~~ps--------~~~~lg~~~~~~~~~----~~~i~p~~~~  163 (341)
T Consensus         1 ~~lAvY-GKGGiGKSTTssNLSvA~A~~GkkVlQIGCDPKhDSTFTLtg~L~PTvidvL~~~~yH~E~v~~eD~iy~GY~   79 (275)
T TIGR01281         1 MILAVY-GKGGIGKSTTSSNLSVALAKKGKKVLQIGCDPKHDSTFTLTGKLIPTVIDVLDAVNYHYEDVEPEDVIYTGYG   79 (275)
T ss_pred             CEEEEE-CCCCCCCHHHHHHHHHHHHHCCCEEEEECCCCCCCCCCCCCCCCCCCEEEECCCCCCCEEECCCCCEEEECCC
T ss_conf             968886-3888770046789999998469918985257888877454474167464422567630310333787783468


Q ss_pred             CEEECCCC----------CCCCCCCCCCCCCCCHHHHHHHHHHHHCCCCCCEEEEECCCCCCCCCCH-HHHCCC-CCCEE
Q ss_conf             30322333----------4355221000134202478999867521377758997455644421000-000022-34026
Q gi|254780831|r  164 GIKIMSMA----------SLVDENVAMIWRGPMVQSAIMHMLHNVVWGQLDFLLIDMPPGTGDAHLT-IAQKIP-LSGVV  231 (341)
Q Consensus       164 gi~~~s~g----------~l~~~~~~~~~rg~~~~~~l~~~l~~~~w~~~D~liiD~ppG~gd~~ls-l~~~~~-~~~~i  231 (341)
T Consensus        80 GVd~vEaGGPPAGsGCGGYVVGe----------TVKLLke~--~~-~~~yDVilFDV---LGDVVCGGFAaPL~YAd~aL  143 (275)
T TIGR01281        80 GVDCVEAGGPPAGSGCGGYVVGE----------TVKLLKEL--DV-LDEYDVILFDV---LGDVVCGGFAAPLQYADYAL  143 (275)
T ss_pred             CEEEEECCCCCCCCCCCCEEECC----------HHHHHHHC--CH-HHHCCEEEEEE---CCCEEECCCCCHHHHHCCEE
T ss_conf             56887147368988898747152----------24556652--63-34289799962---57555175464112321256


Q ss_pred             EEECCCCCHHHHHHHHHH----HHHC-CCCCHHHHHHHHCCCCCCCCCCEEECCCCCHHHHHHHHHCCCEEEECCCCHHH
Q ss_conf             742144311345666777----6400-12211445544202458778866512477658999998479789882799899
Q gi|254780831|r  232 IVSTPQDLALIDVKRAIS----MYQK-MNIPIIGMIENMSYFLASDTGKKYDLFGNGGARFEAEKIGIPFLESVPFDMDV  306 (341)
Q Consensus       232 iVttP~~~s~~da~r~~~----~~~~-~~~~i~GiV~NMs~~~~~~~~~~~~~fg~~~~~~~a~~~~i~~lg~IP~d~~i  306 (341)
T Consensus       144 vva~NDFDalFAANRia~av~~K~~~Gy~vkLAGiIaNR----~~---~~yG-GGtdlle~F~~~~~~~~l~~~P~~d~I  215 (275)
T TIGR01281       144 VVAANDFDALFAANRIAAAVREKAKSGYDVKLAGIIANR----VD---KEYG-GGTDLLEKFAERVGTPVLGVVPRLDEI  215 (275)
T ss_pred             EEECCCCHHHHHHHHHHHHHHHHHCCCCEEEEEEEEECC----CC---CCCC-CCCCHHHHHHHHCCCCEEEECCCHHHC
T ss_conf             661077217899999999999984179707873266312----11---3117-871568999986288322007771110


Q ss_pred             HHHHCCCCCEEEECCC----CHHHHHHHHHHHHHHHH
Q ss_conf             9750288217997799----98999999999999998
Q gi|254780831|r  307 RVLSDLGIPIVVHNMN----SATSEIYQEISDRIQQF  339 (341)
Q Consensus       307 ~~a~~~g~P~v~~~p~----s~~a~~~~~iA~~i~~~  339 (341)
T Consensus       216 R~SRl~g~TlFEmee~~p~~~~~~~~y~~~A~~LL~~  252 (275)
T TIGR01281       216 RRSRLKGKTLFEMEESGPELEEVTAEYLKMAEYLLAK  252 (275)
T ss_pred             CHHHHCCCCEEECCCCCCCHHHHHHHHHHHHHHHHHC
T ss_conf             2010158612301589965889999999999999863