ID ARAA_ECO57 Reviewed; 500 AA. AC P58538; DT 23-JAN-2002, integrated into UniProtKB/Swiss-Prot. DT 23-JAN-2002, sequence version 1. DT 02-SEP-2026, entry version 127. DE RecName: Full=L-arabinose isomerase {ECO:0000255|HAMAP-Rule:MF_00519}; DE EC=5.3.1.4 {ECO:0000255|HAMAP-Rule:MF_00519}; GN Name=araA {ECO:0000255|HAMAP-Rule:MF_00519}; GN OrderedLocusNames=Z0070, ECs0066; OS Escherichia coli O157:H7. OC Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; OC Enterobacterales; Enterobacteriaceae; Escherichia. OX NCBI_TaxID=83334; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC; RX PubMed=11206551; DOI=10.1038/35054089; RA Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J., RA Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G., RA Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J., RA Davis N.W., Lim A., Dimalanta E.T., Potamousis K., Apodaca J., RA Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A., RA Blattner F.R.; RT "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7."; RL Nature 409:529-533(2001). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC; RX PubMed=11258796; DOI=10.1093/dnares/8.1.11; RA Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K., RA Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T., RA Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S., RA Shiba T., Hattori M., Shinagawa H.; RT "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and RT genomic comparison with a laboratory strain K-12."; RL DNA Res. 8:11-22(2001). CC -!- FUNCTION: Catalyzes the conversion of L-arabinose to L-ribulose. CC {ECO:0000255|HAMAP-Rule:MF_00519}. CC -!- CATALYTIC ACTIVITY: CC Reaction=beta-L-arabinopyranose = L-ribulose; Xref=Rhea:RHEA:14821, CC ChEBI:CHEBI:16880, ChEBI:CHEBI:40886; EC=5.3.1.4; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00519}; CC -!- COFACTOR: CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00519}; CC Note=Binds 1 Mn(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00519}; CC -!- PATHWAY: Carbohydrate degradation; L-arabinose degradation via L- CC ribulose; D-xylulose 5-phosphate from L-arabinose (bacterial route): CC step 1/3. {ECO:0000255|HAMAP-Rule:MF_00519}. CC -!- SUBUNIT: Homohexamer. {ECO:0000255|HAMAP-Rule:MF_00519}. CC -!- SIMILARITY: Belongs to the arabinose isomerase family. CC {ECO:0000255|HAMAP-Rule:MF_00519}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AE005174; AAG54366.1; -; Genomic_DNA. DR EMBL; BA000007; BAB33489.1; -; Genomic_DNA. DR PIR; B85488; B85488. DR PIR; B90637; B90637. DR RefSeq; NP_308093.1; NC_002695.2. DR RefSeq; WP_000151715.1; NZ_AP018488.1. DR AlphaFoldDB; P58538; -. DR SMR; P58538; -. DR STRING; 155864.Z0070; -. DR GeneID; 913468; -. DR KEGG; ece:Z0070; -. DR KEGG; ecs:ECs_0066; -. DR PATRIC; fig|386585.9.peg.166; -. DR eggNOG; COG2160; Bacteria. DR HOGENOM; CLU_045663_0_0_6; -. DR OMA; LMEDYTY; -. DR BRENDA; 5.3.1.4; 2026. DR UniPathway; UPA00145; UER00565. DR Proteomes; UP000000558; Chromosome. DR GO; GO:0005829; C:cytosol; IEA:TreeGrafter. DR GO; GO:0008733; F:L-arabinose isomerase activity; IEA:UniProtKB-UniRule. DR GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0019569; P:L-arabinose catabolic process to D-xylulose 5-phosphate; IEA:UniProtKB-UniRule. DR CDD; cd03557; L-arabinose_isomerase; 1. DR FunFam; 3.40.50.10940:FF:000001; L-arabinose isomerase; 1. DR Gene3D; 3.40.50.10940; -; 1. DR HAMAP; MF_00519; Arabinose_Isome; 1. DR InterPro; IPR024664; Ara_Isoase_C. DR InterPro; IPR055390; AraA_central. DR InterPro; IPR055389; AraA_N. DR InterPro; IPR038583; AraA_N_sf. DR InterPro; IPR004216; Fuc/Ara_isomerase_C. DR InterPro; IPR009015; Fucose_isomerase_N/cen_sf. DR InterPro; IPR003762; Lara_isomerase. DR NCBIfam; NF002795; PRK02929.1; 1. DR PANTHER; PTHR38464; L-ARABINOSE ISOMERASE; 1. DR PANTHER; PTHR38464:SF1; L-ARABINOSE ISOMERASE; 1. DR Pfam; PF24856; AraA_central; 1. DR Pfam; PF02610; AraA_N; 1. DR Pfam; PF11762; Arabinose_Iso_C; 1. DR PIRSF; PIRSF001478; L-ara_isomerase; 1. DR SUPFAM; SSF50443; FucI/AraA C-terminal domain-like; 1. DR SUPFAM; SSF53743; FucI/AraA N-terminal and middle domains; 1. PE 3: Inferred from homology; KW Arabinose catabolism; Carbohydrate metabolism; Isomerase; Manganese; KW Metal-binding; Reference proteome. FT CHAIN 1..500 FT /note="L-arabinose isomerase" FT /id="PRO_0000198387" FT BINDING 306 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00519" FT BINDING 333 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00519" FT BINDING 350 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00519" FT BINDING 450 FT /ligand="Mn(2+)" FT /ligand_id="ChEBI:CHEBI:29035" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00519" SQ SEQUENCE 500 AA; 56089 MW; 9267F72676A53EE0 CRC64; MTIFDNYEVW FVIGSQHLYG PETLRQVTQH AEHVVKALNT EAKLPCKLVL KPLGTTPDEI TAICRDANYD DRCAGLVVWL HTFSPAKMWI NGLTMLNKPL LQFHTQFNAA LPWDSIDMDF MNLNQTAHGG REFGFIGARM RQQHAVVTGH WQDKQAHERI GSWMRQAVSK QDTRHLKVCR FGDNMREVAV TDGDKVAAQI KFGFSVNTWA VGDLVQVVNS ISDGDVNALV DEYESCYTMT PATQIHGEKR QNVLEAARIE LGMKRFLEQG GFHAFTTTFE DLHGLKQLPG LAVQRLMQQG YGFAGEGDWK TAALLRIMKV MSTGLQGGTS FMEDYTYHFE KGNDLVLGSH MLEVCPSIAA EEKPILDVQH LGIGGKDDPA RLIFNTQTGP AIVASLIDLG DRYRLLVNCI DTVKTPHSLP KLPVANALWK AQPDLPTASE AWILAGGAHH TVFSHALNLN DMRQFAEMHD IEITVIDNDT RLPAFKDALR WNEVYYGFRR //