>TIGR01920 Shik_kin_archae shikimate kinase; InterPro: IPR010189 Shikimate kinase (2.7.1.71 from EC) catalyses the fifth step in the shikimate pathway of aromatic amino acids biosynthesis. It converts shikimate to shikimate 3-phosphate (3-phosphoshikimate). This part of the pathway leads to the biosynthesis of chorismate, the precursor of aromatic amino acids, folates, ubiquinones, and other aromatic compounds. The shikimate pathway links metabolism of carbohydrates to biosynthesis of the aromatic amino acids phenylalanine, tyrosine, tryptophan and their derivatives in microorganisms and plants . In a sequence of seven enzymatic reactions, D-erythrose 4-phosphate (E4P), an intermediate of the pentose phosphate pathway and phosphoenol pyruvate (PEP), a glycolytic intermediate, are converted to chorismate. The shikimate pathway is present in bacteria, archaea, fungi and plants. The absence of the shikimate pathway in animals makes it an attractive target for non-toxic herbicides, antimicrobial and antifungal agents. Shikimate kinase enzymes present an example of convergent evolution via enzyme recruitment from an unrelated group. This group represents shikimate kinases of the archaeal type. Members have no sequence similarity with the typical form of shikimate kinase (PIRSF000702 from PIRSF, IPR000623 from INTERPRO) found in bacteria and eukaryotes, but are instead distantly related to homoserine kinases, which belong to the GHMP kinase domain superfamily (GHMP = galactose, homoserine, mevalonate, and phosphomevalonate) . All known non-archaeal shikimate kinases (the typical form) belong to the non-homologous, structurally unrelated nucleoside monophosphate (NMP) kinase domain superfamily . Nomenclature note: the name AroK is used for non-homologous shikimate kinases of both the archaeal and bacterial types. ; GO: 0004765 shikimate kinase activity, 0009073 aromatic amino acid family biosynthetic process, 0005737 cytoplasm.

Probab=99.67 E-value=1.6e-13 Score=103.99 Aligned_cols=234 Identities=16% Similarity=0.193 Sum_probs=150.9 Q ss_pred EEEEEEECCCEEEEEEECCCCE--EEEEECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHCC Q ss_conf 4899876672799999848982--99995576667532100123333433211111221033477788899999875115 Q gi|254781018|r 32 SALAVAITFYLRALLTTIEPSL--IRIINSQTIEYSFEACRLLGHQIDQRHRDFIAKKIPITSVLTHPNDLILYIFNRHL 109 (337) Q Consensus 32 ~ai~~aI~~~~~v~i~~~~~~~--~~~~s~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 109 (337) T Consensus 16 ~G~AfgidL~v~a~V~~~~d~~~~v~~~~~~~-----------------~~~~~-----------~~~~~~~~~~~~~~- 66 (273) T TIGR01920 16 LGGAFGIDLKVEAKVRLSDDGEAKVSLKVRGN-----------------PELDP-----------RLIERILTALIEKF- 66 (273) T ss_pred CCEEECCCCEEEEEEEEECCCCCCEEEEECCC-----------------CCCCH-----------HHHHHHHHHHHHHC- T ss_conf 21121268607999997068854314776676-----------------54797-----------89999999989853- Q ss_pred CCCCCCEEEEEECCCCCCCCCCCCHHHHHHHHHHHHHHHC--CCCCCHHHHHHHHHHHHHCCCC--CCCCHHHHHHHHCC Q ss_conf 6678876999980554103898530378999999999818--7754025899999986411577--87734578765326 Q gi|254781018|r 110 PHISCGISLDLHSTIPIGSGFGSSSAIISALSLALSSITH--QPFCNKEKLIAETGYIERLQHG--KTGIIDSTTIVMGG 185 (337) Q Consensus 110 ~~~~~g~~i~i~s~iP~~~GLGSSaA~~va~~~al~~~~~--~~~~~~~~~~~~a~~~e~~~~~--~~sg~D~~~~~~gg 185 (337) T Consensus 67 -g~~~~~~v~~~seiP~g~GLKSSSA~~nAlv~A~~~~~gva~~~~~~-~~~~l~a~~S~~AG~s~TGAfDDa~AS~~GG 144 (273) T TIGR01920 67 -GIVEGLEVEVESEIPLGSGLKSSSALVNALVLAVLKAKGVAEEIDDI-DILRLGAELSKEAGVSVTGAFDDAAASYLGG 144 (273) T ss_pred -CCCCCEEEEEECCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCHH-HHHHHHHHHHHHCCCEEEEHHHHHHHHHCCC T ss_conf -88862489996176788664378999999999999861234217733-6899999988866851530588999986082 Q ss_pred CEEEECCCCCCCCCC--CCC-EEEEECCCCCCCHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHCCCCHHHHHHHHHH Q ss_conf 302402785200147--884-39997497145379999999976412068999876548999999838721689999995 Q gi|254781018|r 186 IIYINPPQIIKNETL--VGE-WWAINTGMPESSTGECVSFVEQHFSQSSIWSEFNAVTNEMMENIQKKDAEKTYKSVRVN 262 (337) Q Consensus 186 ~~~~~~~~~~~~~~~--~~~-~~~i~~~~~~~st~~~~~~~~~~~~~~~~~~~~~~i~~~~~~al~~~d~~~l~~~~~~~ 262 (337) T Consensus 145 ~~~TDN~~~~ilk~~~~~~~l~~~vl~P~~-~~~~~---------~~~~~~~~~~~~~e~a~~~A~~G~y---~~Am~lN 211 (273) T TIGR01920 145 IVITDNRKMKILKRDKLEGNLTAVVLVPKE-ERREN---------VDLNRLRKISPVVEEAFKLALKGEY---LKAMVLN 211 (273) T ss_pred CEEEECCEEEEEEECCCCCCCEEEEEECCC-CCCCC---------CCHHHHHHHHHHHHHHHHHHHCCCC---HHHHHHH T ss_conf 005214302465521678986589997687-66767---------6888888666899999999646880---7899999 Q ss_pred HHHH-HHCCCCCHHHHHHHHHHHHCC-CEEEECCCCCCCCCEEEEEEEECCCHHHHHH Q ss_conf 9999-971899779999999998579-8089507886788508999985799799997 Q gi|254781018|r 263 QSLL-ESIGVVPETVGKFIRCIENNG-GSAKIAGAGSIRGEKAGLVLVGGYNPEKLSS 318 (337) Q Consensus 263 ~~ll-~~l~vs~~~l~~l~~~~~~~g-~~ak~sGAG~~~Gg~~~~~l~~~~~~~~~~~ 318 (337) T Consensus 212 G~~y~~~Lgyp~e~----~~~al~~GA~~aG~SG~GP-----sy~A~~~~pe~~~~~~ 260 (273) T TIGR01920 212 GVAYATALGYPLEP----ASKALEKGAAVAGLSGKGP-----SYFALTEEPEEEEVAE 260 (273) T ss_pred HHHHHHHHCCCHHH----HHHHHHCCCEEEEECCCCC-----EEEEEECCCCHHHHHH T ss_conf 99999881898648----9999738943886305755-----6899730686489999

HHsearch alignment for GI: 254781018 and conserved domain: TIGR01920