>cd06454 KBL_like KBL_like; this family belongs to the pyridoxal phosphate (PLP)-dependent aspartate aminotransferase superfamily (fold I). The major groups in this CD corresponds to serine palmitoyltransferase (SPT), 5-aminolevulinate synthase (ALAS), 8-amino-7-oxononanoate synthase (AONS), and 2-amino-3-ketobutyrate CoA ligase (KBL). SPT is responsible for the condensation of L-serine with palmitoyl-CoA to produce 3-ketodihydrospingosine, the reaction of the first step in sphingolipid biosynthesis. ALAS is involved in heme biosynthesis; it catalyzes the synthesis of 5-aminolevulinic acid from glycine and succinyl-coenzyme A. AONS catalyses the decarboxylative condensation of l-alanine and pimeloyl-CoA in the first committed step of biotin biosynthesis. KBL catalyzes the second reaction step of the metabolic degradation pathway for threonine converting 2-amino-3-ketobutyrate, to glycine and acetyl-CoA. The members of this CD are widely found in all three forms of life.

Probab=99.86 E-value=8.9e-21 Score=146.61 Aligned_cols=326 Identities=18% Similarity=0.142 Sum_probs=191.5 Q ss_pred CCEEECCCCC-CCCCCCHHHHHHHHHHHHCCCCCCCCCC---CCH----HHHHHHHHHHHHHCCCCCCCCCCCCCCCCCC Q ss_conf 9726656589-7498899999999999838875699877---898----9999999986421013333223323345433 Q gi|254780602|r 31 IDVLCLTAGE-PDFDMPENVKYAVVRAMERGETKYTAVA---GIS----PLREAIVEKFRRDNDLHYTSDQIIVGTGAKH 102 (400) Q Consensus 31 ~~ii~l~~G~-p~~~~p~~i~~a~~~al~~~~~~Y~~~~---G~~----~lR~aia~~~~~~~g~~~~~e~I~it~G~~~ 102 (400) T Consensus 1 r~~l~f~s~dYLgL~~~p~~~~a~~~a~~~~G~g~~~sr~~~G~~~~~~~lE~~la~~~----g~----e~al~~~sG~~ 72 (349) T cd06454 1 KKVLNFCSNDYLGLANHPEVIEAAKEALDKYGVGAGGSRLISGTSDLHEELEEELAEFH----GK----EAALVFSSGYA 72 (349) T ss_pred CCEEEEECCCCCCCCCCHHHHHHHHHHHHHCCCCCCCCCCCCCCHHHHHHHHHHHHHHH----CC----CEEEEECCHHH T ss_conf 95899766632478989999999999999739988876736478799999999999986----99----81999557078 Q ss_pred CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHHHCCCCC---C-CCCEEECCC-CCCC Q ss_conf 3322222223322322223333232222222222222222222223222103331000122---1-220121135-4210 Q gi|254780602|r 103 VIFNALMATVNMGDEVLIPRPYWVSYPDMVALCGGIPVFVDTQQDDNFQVSPEKLEQAITP---K-TKWLFLNSP-SNPS 177 (400) Q Consensus 103 ~l~~~~~~~~~~Gd~Vlv~~P~y~~y~~~~~~~g~~~~~v~~~~~~~~~~d~~~l~~~i~~---~-~k~i~l~nP-~NPT 177 (400) T Consensus 73 an~~~i~~l~~~~d~i~~D~~~H~si~~G~~~s~a~~~~f~-------Hnd~~~L~~~l~~~~~~~~~~~iv~egv~Sm~ 145 (349) T cd06454 73 ANDGVLSTLAGKGDLIISDSLNHASIIDGIRLSGAKKRIFK-------HNDMEDLEKLLREARRPYGKKLIVTEGVYSMD 145 (349) T ss_pred HHHHHHHHCCCCCCEEEECCCCCHHHHHHHHCCCCCEEEEC-------CCCHHHHHHHHHHHHCCCCCEEEEECCCCCCC T ss_conf 77888862057897797415343728863652446479978-------99999999999853225897699965767888 Q ss_pred CCCCCCCCCCCCCCCCCCCCCCEEECCCCCCCCCCCCCCCCCCCCCCCCCCCEEEEECCCCCCCCCCCCCCCCCCCHHHH Q ss_conf 00012333321112233333201110122110000012233222111233322574146544322344544422110122 Q gi|254780602|r 178 GVVYSQNRLRALADVLVRNPHVHIISDDIYEHIVYRNCQFSNIVNVEPSLYERTLVVNGVSKAYAMTGLRIGYAAGALSL 257 (400) Q Consensus 178 G~v~s~~~l~~i~~~~a~~~~i~ii~De~Y~~l~~~~~~~~s~~~~~~~~~~~~i~~~S~SK~~~~~G~RiG~~v~~~~l 257 (400) T Consensus 146 Gd~ap---L~~l~~l~-~~~~~~livDeAH~~Gv~G-~~G~G~~~~~~~~~~~di~~~tlsKa~G~~G---g~v~g~~~~ 217 (349) T cd06454 146 GDIAP---LPELVDLA-KKYGAILFVDEAHSVGVYG-PHGRGVEEFGGLTDDVDIIMGTLGKAFGAVG---GYIAGSKEL 217 (349) T ss_pred CCCCC---HHHHHHHH-HHHCCEEEEECHHHCCCCC-CCCCCHHHHCCCCCCCEEEECCCCCCCCCCC---CEEECCHHH T ss_conf 77679---89999999-9829789972323317415-8887678865898866799853654346777---124253568 Q ss_pred HHHHHHHC-CCCCCCCCCCC-CCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHHHCCCCCEEEECCCCEEEEEECCCCCC Q ss_conf 68753100-12223322222-22222223467643222222110000000245530477603302740899862641023 Q gi|254780602|r 258 IKSMIVLQ-GQQTSGACSIA-QWAAVEALNGPQDFVVNNRKIFEYRRDLCVAQLQGVPGIRYMIPDGAFYLYPSCQDLIG 335 (400) Q Consensus 258 i~~l~~~~-~~~~~~~~~~~-q~a~~~~l~~~~~~~~~~~~~~~~~r~~~~~~L~~~~g~~~~~p~g~~y~~~~~~~~~~ 335 (400) T Consensus 218 i~~l~~~~~~~i~s~~l~p~~~aa~~~al~~l~~-~~~~~~~L~~~~~~~~~~l~~~-g~~i~~~~~~~i~~~~~~---- 291 (349) T cd06454 218 IDYLRSYARGFIFSTSLPPAVAAAALAALEVLQG-GPERRERLQENVRYLRRGLKEL-GFPVGGSPSHIIPPLIGD---- 291 (349) T ss_pred HHHHHHHCCCCCCCCCCCHHHHHHHHHHHHHHHC-CCHHHHHHHHHHHHHHHHHHHC-CCCCCCCCCCCEEEEECC---- T ss_conf 9999861988577777689999999999999863-9588999999999999999976-997579999727999869---- Q ss_pred CCCCCCCCCCCHHHHHHHHHHHCCEEEECCCCCC--C--CCEEEEEEE--CCHHHHHHHHHHHHH Q ss_conf 3211332248989999999987397998350228--9--972899962--999999999999999 Q gi|254780602|r 336 KKSPSGDVIRTDLDFVNGLLEIEKVAVVQGSSFG--H--GPSIRISYA--VSDAILEEACVRIKR 394 (400) Q Consensus 336 ~~~~~~~~~~~~~~~~~~Ll~~~gV~v~pG~~Fg--~--~~~iRis~~--~~~e~l~~al~rl~~ 394 (400) T Consensus 292 -------~~~~a~~~~~~L~-~~Gi~v~~~~-~Ptvp~~~~~lRi~~sa~ht~edId~li~~l~e 347 (349) T cd06454 292 -------DPAKAVAFSDALL-ERGIYVQAIR-YPTVPRGTARLRISLSAAHTKEDIDRLLEALKE 347 (349) T ss_pred -------CHHHHHHHHHHHH-HCCCEEEEEC-CCCCCCCCCEEEEEECCCCCHHHHHHHHHHHHH T ss_conf -------9999999999998-8796286379-897899983599986877999999999999997

HHsearch alignment for GI: 254780602 and conserved domain: cd06454