ID   ARAA_BIFLD              Reviewed;         505 AA.
AC   B3DTJ5;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 68.
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}; OrderedLocusNames=BLD_1018;
OS   Bifidobacterium longum (strain DJO10A).
OC   Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC   Bifidobacterium.
OX   NCBI_TaxID=205913;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DJO10A;
RX   PubMed=18505588; DOI=10.1186/1471-2164-9-247;
RA   Lee J.H., Karamychev V.N., Kozyavkin S.A., Mills D., Pavlov A.R.,
RA   Pavlova N.V., Polouchine N.N., Richardson P.M., Shakhova V.V.,
RA   Slesarev A.I., Weimer B., O'Sullivan D.J.;
RT   "Comparative genomic analysis of the gut bacterium Bifidobacterium longum
RT   reveals loci susceptible to deletion during pure culture growth.";
RL   BMC Genomics 9:247-247(2008).
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;
CC         Evidence={ECO:0000255|HAMAP-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   -!- SIMILARITY: Belongs to the arabinose isomerase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00519}.
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DR   EMBL; CP000605; ACD98464.1; -; Genomic_DNA.
DR   RefSeq; WP_007051388.1; NZ_AABM02000007.1.
DR   AlphaFoldDB; B3DTJ5; -.
DR   SMR; B3DTJ5; -.
DR   EnsemblBacteria; ACD98464; ACD98464; BLD_1018.
DR   GeneID; 66504583; -.
DR   KEGG; blj:BLD_1018; -.
DR   HOGENOM; CLU_045663_0_0_11; -.
DR   OMA; HMLEICP; -.
DR   UniPathway; UPA00145; UER00565.
DR   Proteomes; UP000002419; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:InterPro.
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 xylulose 5-phosphate; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.10940; -; 1.
DR   HAMAP; MF_00519; Arabinose_Isome; 1.
DR   InterPro; IPR024664; Ara_Isoase_C.
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   PANTHER; PTHR38464; PTHR38464; 1.
DR   Pfam; PF11762; Arabinose_Iso_C; 1.
DR   Pfam; PF02610; Arabinose_Isome; 1.
DR   PIRSF; PIRSF001478; L-ara_isomerase; 1.
DR   SUPFAM; SSF50443; SSF50443; 1.
DR   SUPFAM; SSF53743; SSF53743; 1.
PE   3: Inferred from homology;
KW   Arabinose catabolism; Carbohydrate metabolism; Isomerase; Manganese;
KW   Metal-binding.
FT   CHAIN           1..505
FT                   /note="L-arabinose isomerase"
FT                   /id="PRO_1000127597"
FT   BINDING         308
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00519"
FT   BINDING         335
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00519"
FT   BINDING         352
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00519"
FT   BINDING         453
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00519"
SQ   SEQUENCE   505 AA;  55868 MW;  7665BFB00AD37E4C CRC64;
     MVMENPFEGK EIWFGVGSQD LYGEEALRQV AIHSAEMVDY LNNTGKIPAK IVLKPTLKSS
     DGVKEFMVEA SANPNVIGVI TWCHTFSPAK MWIRGLEVLT KPLLQLATQH HKEIPWETID
     MDFMNLNQAA HGDREFGYIV SRLGIKRKVV VGHYTDPEVA EKLGTWARAC AGWDASNNMK
     VMRWGDNMRN VAVTEGDKTE AERVFGASIN TWAVNELVAA YDAVKDDQVK EIIEDYKAKY
     DVDPALLDAK YDSLFIAAKE EAAMVNMMRA NGCTAGVDNF EDLGALPQLP GVGPQRFPSE
     YGWGFSAEGD WKTAVLVRIG AVMGYGLEGG ASLMEDYSYN FTEGDELDMG SHMLEVSPSI
     GTIAKPKLEI HPLGIGGKAD PVRLVFSGKP AKDAVVVSMS DVRERFRLLM DVVDVVEPQG
     SLKELPCARA VWEPKPSLKT AVECWITAGG SHHTCMTTSV GREAWEDFAR IAGVELAVID
     ENTTARQFEK ELELSEMYHR LNNQH