ID GAE1_ARATH Reviewed; 429 AA. AC Q9M0B6; DT 26-JUN-2007, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2000, sequence version 1. DT 16-JUN-2009, entry version 51. DE RecName: Full=UDP-glucuronate 4-epimerase 1; DE EC=5.1.3.6; DE AltName: Full=UDP-glucuronic acid epimerase 1; DE Short=AtUGlcAE3; GN Name=GAE1; Synonyms=UGlcAE3; OrderedLocusNames=At4g30440; GN ORFNames=F17I23.220; OS Arabidopsis thaliana (Mouse-ear cress). OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Spermatophyta; Magnoliophyta; eudicotyledons; core eudicotyledons; OC rosids; eurosids II; Brassicales; Brassicaceae; Arabidopsis. OX NCBI_TaxID=3702; RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], FUNCTION, TISSUE SPECIFICITY, RP BIOPHYSICOCHEMICAL PROPERTIES, AND SUBCELLULAR LOCATION. RX PubMed=15247385; DOI=10.1104/pp.104.043745; RA Moelhoej M., Verma R., Reiter W.-D.; RT "The biosynthesis of D-galacturonate in plants. Functional cloning and RT characterization of a membrane-anchored UDP-D-glucuronate 4-epimerase RT from Arabidopsis."; RL Plant Physiol. 135:1221-1230(2004). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=cv. Columbia; RX MEDLINE=20083488; PubMed=10617198; DOI=10.1038/47134; RA Mayer K.F.X., Schueller C., Wambutt R., Murphy G., Volckaert G., RA Pohl T., Duesterhoeft A., Stiekema W., Entian K.-D., Terryn N., RA Harris B., Ansorge W., Brandt P., Grivell L.A., Rieger M., RA Weichselgartner M., de Simone V., Obermaier B., Mache R., Mueller M., RA Kreis M., Delseny M., Puigdomenech P., Watson M., Schmidtheini T., RA Reichert B., Portetelle D., Perez-Alonso M., Boutry M., Bancroft I., RA Vos P., Hoheisel J., Zimmermann W., Wedler H., Ridley P., RA Langham S.-A., McCullagh B., Bilham L., Robben J., RA van der Schueren J., Grymonprez B., Chuang Y.-J., Vandenbussche F., RA Braeken M., Weltjens I., Voet M., Bastiaens I., Aert R., Defoor E., RA Weitzenegger T., Bothe G., Ramsperger U., Hilbert H., Braun M., RA Holzer E., Brandt A., Peters S., van Staveren M., Dirkse W., RA Mooijman P., Klein Lankhorst R., Rose M., Hauf J., Koetter P., RA Berneiser S., Hempel S., Feldpausch M., Lamberth S., Van den Daele H., RA De Keyser A., Buysshaert C., Gielen J., Villarroel R., De Clercq R., RA van Montagu M., Rogers J., Cronin A., Quail M.A., Bray-Allen S., RA Clark L., Doggett J., Hall S., Kay M., Lennard N., McLay K., Mayes R., RA Pettett A., Rajandream M.A., Lyne M., Benes V., Rechmann S., RA Borkova D., Bloecker H., Scharfe M., Grimm M., Loehnert T.-H., RA Dose S., de Haan M., Maarse A.C., Schaefer M., Mueller-Auer S., RA Gabel C., Fuchs M., Fartmann B., Granderath K., Dauner D., Herzl A., RA Neumann S., Argiriou A., Vitale D., Liguori R., Piravandi E., RA Massenet O., Quigley F., Clabauld G., Muendlein A., Felber R., RA Schnabl S., Hiller R., Schmidt W., Lecharny A., Aubourg S., RA Chefdor F., Cooke R., Berger C., Monfort A., Casacuberta E., RA Gibbons T., Weber N., Vandenbol M., Bargues M., Terol J., Torres A., RA Perez-Perez A., Purnelle B., Bent E., Johnson S., Tacon D., Jesse T., RA Heijnen L., Schwarz S., Scholler P., Heber S., Francs P., Bielke C., RA Frishman D., Haase D., Lemcke K., Mewes H.-W., Stocker S., RA Zaccaria P., Bevan M., Wilson R.K., de la Bastide M., Habermann K., RA Parnell L., Dedhia N., Gnoj L., Schutz K., Huang E., Spiegel L., RA Sekhon M., Murray J., Sheet P., Cordes M., Abu-Threideh J., RA Stoneking T., Kalicki J., Graves T., Harmon G., Edwards J., RA Latreille P., Courtney L., Cloud J., Abbott A., Scott K., Johnson D., RA Minx P., Bentley D., Fulton B., Miller N., Greco T., Kemp K., RA Kramer J., Fulton L., Mardis E., Dante M., Pepin K., Hillier L.W., RA Nelson J., Spieth J., Ryan E., Andrews S., Geisel C., Layman D., RA Du H., Ali J., Berghoff A., Jones K., Drone K., Cotton M., Joshu C., RA Antonoiu B., Zidanic M., Strong C., Sun H., Lamar B., Yordan C., RA Ma P., Zhong J., Preston R., Vil D., Shekher M., Matero A., Shah R., RA Swaby I.K., O'Shaughnessy A., Rodriguez M., Hoffman J., Till S., RA Granat S., Shohdy N., Hasegawa A., Hameed A., Lodhi M., Johnson A., RA Chen E., Marra M.A., Martienssen R., McCombie W.R.; RT "Sequence and analysis of chromosome 4 of the plant Arabidopsis RT thaliana."; RL Nature 402:769-777(1999). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC STRAIN=cv. Columbia; RX MEDLINE=22954850; PubMed=14593172; DOI=10.1126/science.1088305; RA Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., RA Southwick A.M., Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., RA Karlin-Newmann G., Liu S.X., Lam B., Sakano H., Wu T., Yu G., RA Miranda M., Quach H.L., Tripp M., Chang C.H., Lee J.M., Toriumi M.J., RA Chan M.M., Tang C.C., Onodera C.S., Deng J.M., Akiyama K., Ansari Y., RA Arakawa T., Banh J., Banno F., Bowser L., Brooks S.Y., Carninci P., RA Chao Q., Choy N., Enju A., Goldsmith A.D., Gurjal M., Hansen N.F., RA Hayashizaki Y., Johnson-Hopson C., Hsuan V.W., Iida K., Karnes M., RA Khan S., Koesema E., Ishida J., Jiang P.X., Jones T., Kawai J., RA Kamiya A., Meyers C., Nakajima M., Narusaka M., Seki M., Sakurai T., RA Satou M., Tamse R., Vaysberg M., Wallender E.K., Wong C., Yamamura Y., RA Yuan S., Shinozaki K., Davis R.W., Theologis A., Ecker J.R.; RT "Empirical analysis of transcriptional activity in the Arabidopsis RT genome."; RL Science 302:842-846(2003). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RA Brover V.V., Troukhan M.E., Alexandrov N.A., Lu Y.-P., Flavell R.B., RA Feldmann K.A.; RT "Full-length cDNA from Arabidopsis thaliana."; RL Submitted (MAR-2002) to the EMBL/GenBank/DDBJ databases. RN [5] RP IDENTIFICATION, AND NOMENCLATURE. RX PubMed=11554483; DOI=10.1023/A:1010671129803; RA Reiter W.-D., Vanzin G.F.; RT "Molecular genetics of nucleotide sugar interconversion pathways in RT plants."; RL Plant Mol. Biol. 47:95-113(2001). RN [6] RP TISSUE SPECIFICITY. RX PubMed=15225656; DOI=10.1016/j.febslet.2004.06.005; RA Usadel B., Schlueter U., Moelhoej M., Gipmans M., Verma R., RA Kossmann J., Reiter W.-D., Pauly M.; RT "Identification and characterization of a UDP-D-glucuronate 4- RT epimerase in Arabidopsis."; RL FEBS Lett. 569:327-331(2004). RN [7] RP IDENTIFICATION, TISSUE SPECIFICITY, AND NOMENCLATURE. RX PubMed=15563616; DOI=10.1104/pp.104.052365; RA Gu X., Bar-Peled M.; RT "The biosynthesis of UDP-galacturonic acid in plants. Functional RT cloning and characterization of Arabidopsis UDP-D-glucuronic acid 4- RT epimerase."; RL Plant Physiol. 136:4256-4264(2004). CC -!- FUNCTION: Involved in the synthesis of the negatively charged CC monosaccharide that forms the backbone of pectic cell wall CC components. CC -!- CATALYTIC ACTIVITY: UDP-glucuronate = UDP-D-galacturonate. CC -!- ENZYME REGULATION: Inhibited by UDP-Xylose. CC -!- BIOPHYSICOCHEMICAL PROPERTIES: CC Kinetic parameters: CC KM=0.19 mM for UDP-glucuronate; CC Note=Equilibrium between UDP-glucuronate and UDP-D-galacturonate CC established at 1:1.3. No activity with UDP-Galactose, UDP- CC Glucose or UDP-Xylose; CC pH dependence: CC Optimum pH is 7.6. Active from pH 6 to 8.9; CC -!- SUBUNIT: Homodimer (By similarity). CC -!- SUBCELLULAR LOCATION: Golgi apparatus, Golgi stack membrane; CC Multi-pass membrane protein (Potential). CC -!- TISSUE SPECIFICITY: In root stele, leaves, siliques, flowers, CC pollen and stems. CC -!- SIMILARITY: Belongs to the sugar epimerase family. CC ----------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution-NoDerivs License CC ----------------------------------------------------------------------- DR EMBL; AY661562; AAT77233.1; -; Genomic_DNA. DR EMBL; AL161577; CAB79762.1; -; Genomic_DNA. DR EMBL; AY056303; AAL07152.1; -; mRNA. DR EMBL; AY099855; AAM20706.1; -; mRNA. DR EMBL; BT000308; AAN15627.1; -; mRNA. DR EMBL; AY085505; AAM62729.1; -; mRNA. DR IPI; IPI00530645; -. DR PIR; A85356; A85356. DR RefSeq; NP_194773.1; -. DR UniGene; At.20969; -. DR UniGene; At.67043; -. DR HSSP; Q14376; 1I3K. DR PRIDE; Q9M0B6; -. DR GeneID; 829167; -. DR GenomeReviews; CT486007_GR; AT4G30440. DR KEGG; ath:AT4G30440; -. DR NMPDR; fig|3702.1.peg.21026; -. DR TAIR; At4g30440; -. DR OMA; Q9M0B6; HAILARS. DR GO; GO:0032580; C:Golgi cisterna membrane; IEA:UniProtKB-SubCell. DR GO; GO:0016021; C:integral to membrane; IEA:UniProtKB-KW. DR GO; GO:0050662; F:coenzyme binding; IEA:InterPro. DR GO; GO:0050378; F:UDP-glucuronate 4-epimerase activity; IDA:TAIR. DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW. DR GO; GO:0044237; P:cellular metabolic process; IEA:InterPro. DR InterPro; IPR001509; Epimerase_deHydtase. DR InterPro; IPR016040; NAD(P)-bd_dom. DR InterPro; IPR008089; Nuc_sugar_epim. DR Gene3D; G3DSA:3.40.50.720; NAD(P)-bd; 1. DR Pfam; PF01370; Epimerase; 1. DR PRINTS; PR01713; NUCEPIMERASE. PE 1: Evidence at protein level; KW Carbohydrate metabolism; Complete proteome; Golgi apparatus; KW Isomerase; Membrane; NAD; Transmembrane. FT CHAIN 1 429 UDP-glucuronate 4-epimerase 1. FT /FTId=PRO_0000292596. FT TRANSMEM 36 56 Potential. FT TRANSMEM 87 107 Potential. FT NP_BIND 89 120 NAD (By similarity). FT COMPBIAS 213 216 Poly-Ser. FT ACT_SITE 239 239 Proton acceptor (By similarity). SQ SEQUENCE 429 AA; 47458 MW; 1FDD14BC3FDABCD4 CRC64; MPSIEDELFP STPGKFKIDR SNRQLHRCFA STSTMFLWAL FLIALTASYL SFQSFVDSGS RYLTASWGGI QWEKQVRTSA QIHRSGGISV LVTGATGFVG SHVSLALRKR GDGVVGLDNF NNYYDPSLKR ARRSLLSSRG IFVVEGDLND AKLLAKLFDV VAFTHVMHLA AQAGVRYALE NPQSYVHSNI AGLVNLLEIC KAANPQPAIV WASSSSVYGL NEKVPFSESD RTDQPASLYA ATKKAGEEIT HTYNHIYGLA ITGLRFFTVY GPWGRPDMAY FSFTRNILQG KPITIYRGKN RVDLARDFTY IDDIVKGCLG SLDSSGKSTG SGGKKRGAAP YRIFNLGNTS PVTVPILVDI LEKHLKVKAK RNFVEMPGNG DVPFTHANIS SARNEFGYKP TTDLETGLKK FVRWYLSYYG YNTKAKLVH //