>TIGR02197 heptose_epim ADP-L-glycero-D-manno-heptose-6-epimerase; InterPro: IPR011912 Lipopolysaccharides (LPS) are glycolipids that consitutes the outer monolayer of the outer membranes of most Gram-negative bacteria . They consist of lipid A (endotoxin) which anchors LPS to the outer membrane, a non-repeating core oligosachharide, and an immunogenic O-antigen repeat polymer, which is an oligosaccharide of 1-40 units that variesbetween different strains of bacteria. Although the O-antigen and most of the core domain are not necessary for growth in the lab, they appear to help bacteria resist environmental stresses including the complement system and antibiotics. This family consists of examples of ADP-L-glycero-D-mannoheptose-6-epimerase, an enzyme involved in biosynthesis of the inner core of LPS in Gram-negative bacteria . This enzyme is homologous to UDP-glucose 4-epimerase (IPR005886 from INTERPRO) and belongs to the NAD dependent epimerase/dehydratase family. It participates in the biosynthetic pathway leading to incorporation of heptose, a conserved sugar, into the core region of LPS, performing the reaction shown below: ADP-D-glycero-D-manno-heptose = ADP-L-glycero-D-manno-heptose It is a homopentameric enzyme with each monomer composed of two domains: an N-terminal modified Rossman fold domain for NADP binding, and a C-terminal substrate binding domain.; GO: 0008712 ADP-glyceromanno-heptose 6-epimerase activity, 0050661 NADP binding, 0005975 carbohydrate metabolic process.

Probab=100.00 E-value=0 Score=394.31 Aligned_cols=306 Identities=24% Similarity=0.312 Sum_probs=247.5 Q ss_pred EEEECCCCHHHHHHHHHHHHCC-C-EEEEEECCCC------------CC--HHHHCCCCEEEEECCCHHHHHHHHHH--- Q ss_conf 9996878827799999999879-8-8999926876------------75--21302386798426899999999875--- Q gi|254780328|r 6 VLVVGGAGYIGAHTCRVLYERG-F-LPIVLDNLSS------------GH--AEFVLWGPLEQVDICDYTNLRAVFAK--- 66 (333) Q Consensus 6 IlItG~tGfiGs~l~~~L~~~g-~-~v~~~d~~~~------------~~--~~~~~~~~~~~~Di~d~~~l~~~~~~--- 66 (333) T Consensus 1 IiVTGGAGFIGSNlv~~LN~~gP~~dI~vvD~L~~~~~F~ng~~~slg~~kk~~Nl~~~~I~d~i~k~~~~~~l~~~~~~ 80 (353) T TIGR02197 1 IIVTGGAGFIGSNLVKALNERGPETDILVVDNLRDDATFENGNPQSLGHFKKFLNLADLEIADYIDKDDLLDRLEKGSEA 80 (353) T ss_pred CEECCCCCHHHHHHHHHHHHCCCCCEEEEEEECCCCCCCCCCCCCCHHHCCCCCCCCCCHHHCCCCCHHHHHHHHHCCCC T ss_conf 95506763689999999964389542888740787552467774322342443255541121335885469999830201 Q ss_pred -CCCCEEEECHHHCCCCCCCCCCEEEEEECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC-----CCC Q ss_conf -69889995714401122343100123301233322211222222222222333322222222222222222-----222 Q gi|254780328|r 67 -YQPASVMHFAGLTNISESVKNPSLFYEINIKGSFNLIATAIESNVRRFIFSSTCATYGIPHNTIITENDPQ-----ESI 140 (333) Q Consensus 67 -~~~d~ViHlAa~~~~~~~~~~p~~~~~~Nv~gt~~ll~~~~~~~~~~~i~~SS~~vYG~~~~~~~~E~~~~-----~p~ 140 (333) T Consensus 81 ~~~~~avfH~GAcS~TT--e~D~~~~m~nN~~ys~~Ll~~c~~~~~-~~IYASSAatYG~~~~~f~~~~~~e~L~kLrPl 157 (353) T TIGR02197 81 LGKIEAVFHQGACSDTT--ETDGEYMMENNYQYSKRLLDWCAEKGV-PFIYASSAATYGDGEAGFREDRELEELQKLRPL 157 (353) T ss_pred CCCCCEEEECCHHHHHH--HHHHHHHHHHHHHHHHHHHHHHHHCCC-CEEEECCHHHCCCCCCCCCCCCCHHHHHHCCCC T ss_conf 38833799733125358--862799998899999999999996489-868850312107687777766565889751878 Q ss_pred CCCCCCCCCCCCCCC-CCCC--CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC-CCCCCCCCCCCCCCCCCC-CC Q ss_conf 222222223332222-2222--222222222222222222222222233333222222-222222222222222222-22 Q gi|254780328|r 141 TPYGYTKYVVERELL-QHNK--VNGLRSVVLRYFNAAGATLDSIIGEWHNPETHVIPL-AIKTAMGYQNSFKVFGQD-YA 215 (333) Q Consensus 141 ~~Yg~sK~~~E~~~~-~~~~--~~~~~~~~~R~~~vyGp~~~~~~g~~~~~~~~~~~~-~i~~~~~~~~~i~i~g~~-~~ 215 (333) T Consensus 158 N~YGySK~lFD~~v~~~~~~~~~~~~q~~GLrYFNVYGP~E------~HKG~MASv~f~~~~q~~~-~~~v~LF~~~~~~ 230 (353) T TIGR02197 158 NVYGYSKFLFDQYVRRRVLPGEALSAQVVGLRYFNVYGPRE------YHKGKMASVAFHLFNQIKA-GGNVKLFKSHKEG 230 (353) T ss_pred CCCHHHHHHHHHHHHHHHCCCCCCCCCEEEEEECCCCCCCC------CCCCCHHHHHHHHHHHHHH-CCCCCCCCCCCCC T ss_conf 86122167898999998601247986424102113468886------7544369999998889973-7882023566858 Q ss_pred CCCCCCCCCCCCCCCCCCCCHHHHHHCCCCCCCCEEEEECCCCEEHHHHHHHHHHHHC--CCC-----------CEEECC Q ss_conf 2223221100111110000000111002358731036417998029999999999837--898-----------759857 Q gi|254780328|r 216 TRDGTCLRDYIHVLDLANAHIMALEYLINQGDSIAINLGTGTGITVKEIISTIQSMYE--CAF-----------PITYES 282 (333) Q Consensus 216 ~~dg~~~Rdfi~v~D~~~a~~~~~~~~~~~~~~~~~Nig~~~~~si~~l~~~i~~~~g--~~~-----------~i~~~~ 282 (333) T Consensus 231 ~~dGeQ~RDFVYV~DV~~~n~~~~~~~~~---SGifN~GtG~ArsF~dla~a~~~~~~~~~~~~LSl~~lv~~~~i~Yi~ 307 (353) T TIGR02197 231 FKDGEQLRDFVYVKDVVKVNLWLLENPSK---SGIFNVGTGKARSFNDLADAVFKALGTNKGEPLSLKELVEDFKIEYID 307 (353) T ss_pred CCCCCCCCCCEEHHHHHHHHHHHHHCCCC---CEEEECCCCCCCCHHHHHHHHHHHHHCCCCCCCCHHHHHHCCCCCEEC T ss_conf 98878110115527699999999848898---415644778886689999999998731468885779887306720102 Q ss_pred CCCCC----CCEEEECHHHHHHHHCCCCCCCHHHHHHHHHHHHHHH Q ss_conf 89888----6222127089999818876107999999999999972 Q gi|254780328|r 283 RRIGD----PPSLVADNKKAKKILGWNPKYKLRDIIESAWNWHLKY 324 (333) Q Consensus 283 ~~~~~----~~~~~~d~~k~~~~LGw~p~~~leegi~~~i~~~~~~ 324 (333) T Consensus 308 ~Pe~lrg~YQ~fTqAd~~~lr~aGy~~~~~~LeeGV~dY~~~~~~~ 353 (353) T TIGR02197 308 MPEALRGKYQYFTQADIDKLREAGYYKPFTTLEEGVKDYVQWLLAK 353 (353) T ss_pred CCHHHHHCCCCCCHHHHHHHHHHCCCCCCCCHHHHHHHHHHHHHHC T ss_conf 8357400057401664899997327876734889999999998609

HHsearch alignment for GI: 254780328 and conserved domain: TIGR02197