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ARNA_YERPB
ID   ARNA_YERPB              Reviewed;         667 AA.
AC   B2K5L3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Bifunctional polymyxin resistance protein ArnA {ECO:0000255|HAMAP-Rule:MF_01166};
DE   Includes:
DE     RecName: Full=UDP-4-amino-4-deoxy-L-arabinose formyltransferase {ECO:0000255|HAMAP-Rule:MF_01166};
DE              EC=2.1.2.13 {ECO:0000255|HAMAP-Rule:MF_01166};
DE     AltName: Full=ArnAFT {ECO:0000255|HAMAP-Rule:MF_01166};
DE     AltName: Full=UDP-L-Ara4N formyltransferase {ECO:0000255|HAMAP-Rule:MF_01166};
DE   Includes:
DE     RecName: Full=UDP-glucuronic acid oxidase, UDP-4-keto-hexauronic acid decarboxylating {ECO:0000255|HAMAP-Rule:MF_01166};
DE              EC=1.1.1.305 {ECO:0000255|HAMAP-Rule:MF_01166};
DE     AltName: Full=ArnADH {ECO:0000255|HAMAP-Rule:MF_01166};
DE     AltName: Full=UDP-GlcUA decarboxylase {ECO:0000255|HAMAP-Rule:MF_01166};
DE     AltName: Full=UDP-glucuronic acid dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01166};
GN   Name=arnA {ECO:0000255|HAMAP-Rule:MF_01166}; OrderedLocusNames=YPTS_2403;
OS   Yersinia pseudotuberculosis serotype IB (strain PB1/+).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=502801;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PB1/+;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Munk A.C., Brettin T., Detter J.C.,
RA   Han C., Tapia R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Challacombe J.F., Green L., Lindler L.E., Nikolich M.P., Richardson P.;
RT   "Complete sequence of Yersinia pseudotuberculosis PB1/+.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Bifunctional enzyme that catalyzes the oxidative
CC       decarboxylation of UDP-glucuronic acid (UDP-GlcUA) to UDP-4-keto-
CC       arabinose (UDP-Ara4O) and the addition of a formyl group to UDP-4-
CC       amino-4-deoxy-L-arabinose (UDP-L-Ara4N) to form UDP-L-4-formamido-
CC       arabinose (UDP-L-Ara4FN). The modified arabinose is attached to lipid A
CC       and is required for resistance to polymyxin and cationic antimicrobial
CC       peptides. {ECO:0000255|HAMAP-Rule:MF_01166}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=NAD(+) + UDP-alpha-D-glucuronate = CO2 + NADH + UDP-beta-L-
CC         threo-pentopyranos-4-ulose; Xref=Rhea:RHEA:24702, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:58052,
CC         ChEBI:CHEBI:58710; EC=1.1.1.305; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01166};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6S)-10-formyltetrahydrofolate + UDP-4-amino-4-deoxy-beta-L-
CC         arabinose = (6S)-5,6,7,8-tetrahydrofolate + H(+) + UDP-4-deoxy-4-
CC         formamido-beta-L-arabinose; Xref=Rhea:RHEA:24706, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57453, ChEBI:CHEBI:57454, ChEBI:CHEBI:58708,
CC         ChEBI:CHEBI:58709; EC=2.1.2.13; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01166};
CC   -!- PATHWAY: Nucleotide-sugar biosynthesis; UDP-4-deoxy-4-formamido-beta-L-
CC       arabinose biosynthesis; UDP-4-deoxy-4-formamido-beta-L-arabinose from
CC       UDP-alpha-D-glucuronate: step 1/3. {ECO:0000255|HAMAP-Rule:MF_01166}.
CC   -!- PATHWAY: Nucleotide-sugar biosynthesis; UDP-4-deoxy-4-formamido-beta-L-
CC       arabinose biosynthesis; UDP-4-deoxy-4-formamido-beta-L-arabinose from
CC       UDP-alpha-D-glucuronate: step 3/3. {ECO:0000255|HAMAP-Rule:MF_01166}.
CC   -!- PATHWAY: Bacterial outer membrane biogenesis; lipopolysaccharide
CC       biosynthesis. {ECO:0000255|HAMAP-Rule:MF_01166}.
CC   -!- SUBUNIT: Homohexamer, formed by a dimer of trimers. {ECO:0000255|HAMAP-
CC       Rule:MF_01166}.
CC   -!- SIMILARITY: In the N-terminal section; belongs to the Fmt family. UDP-
CC       L-Ara4N formyltransferase subfamily. {ECO:0000255|HAMAP-Rule:MF_01166}.
CC   -!- SIMILARITY: In the C-terminal section; belongs to the NAD(P)-dependent
CC       epimerase/dehydratase family. UDP-glucuronic acid decarboxylase
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01166}.
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DR   EMBL; CP001048; ACC89364.1; -; Genomic_DNA.
DR   RefSeq; WP_011192542.1; NZ_CP009780.1.
DR   AlphaFoldDB; B2K5L3; -.
DR   SMR; B2K5L3; -.
DR   GeneID; 66841238; -.
DR   KEGG; ypb:YPTS_2403; -.
DR   PATRIC; fig|502801.10.peg.1809; -.
DR   OMA; VRYCVKY; -.
DR   BioCyc; YPSE502801:YPTS_RS12150-MON; -.
DR   UniPathway; UPA00030; -.
DR   UniPathway; UPA00032; UER00492.
DR   UniPathway; UPA00032; UER00494.
DR   GO; GO:0016831; F:carboxy-lyase activity; IEA:InterPro.
DR   GO; GO:0099619; F:UDP-4-amino-4-deoxy-L-arabinose formyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0099618; F:UDP-glucuronic acid dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009245; P:lipid A biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009103; P:lipopolysaccharide biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0046677; P:response to antibiotic; IEA:UniProtKB-KW.
DR   CDD; cd05257; Arna_like_SDR_e; 1.
DR   HAMAP; MF_01166; ArnA; 1.
DR   InterPro; IPR045869; Arna-like_SDR_e.
DR   InterPro; IPR021168; Bifun_polymyxin_resist_ArnA.
DR   InterPro; IPR001509; Epimerase_deHydtase.
DR   InterPro; IPR005793; Formyl_trans_C.
DR   InterPro; IPR002376; Formyl_transf_N.
DR   InterPro; IPR036477; Formyl_transf_N_sf.
DR   InterPro; IPR011034; Formyl_transferase-like_C_sf.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   Pfam; PF01370; Epimerase; 1.
DR   Pfam; PF02911; Formyl_trans_C; 1.
DR   Pfam; PF00551; Formyl_trans_N; 1.
DR   PIRSF; PIRSF036506; Bifun_polymyxin_resist_ArnA; 1.
DR   SUPFAM; SSF50486; SSF50486; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF53328; SSF53328; 1.
PE   3: Inferred from homology;
KW   Antibiotic resistance; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Lipopolysaccharide biosynthesis; Multifunctional enzyme;
KW   NAD; Oxidoreductase; Transferase.
FT   CHAIN           1..667
FT                   /note="Bifunctional polymyxin resistance protein ArnA"
FT                   /id="PRO_1000137953"
FT   REGION          1..304
FT                   /note="Formyltransferase ArnAFT"
FT   REGION          314..667
FT                   /note="Dehydrogenase ArnADH"
FT   ACT_SITE        104
FT                   /note="Proton donor; for formyltransferase activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   ACT_SITE        434
FT                   /note="Proton acceptor; for decarboxylase activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   ACT_SITE        619
FT                   /note="Proton donor; for decarboxylase activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         114
FT                   /ligand="(6S)-10-formyltetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:57454"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         136..140
FT                   /ligand="(6S)-10-formyltetrahydrofolate"
FT                   /ligand_id="ChEBI:CHEBI:57454"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         347
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         368..369
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         393
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         398
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         432..433
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         460
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         492
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         526..535
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   BINDING         613
FT                   /ligand="UDP-alpha-D-glucuronate"
FT                   /ligand_id="ChEBI:CHEBI:58052"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   SITE            102
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
FT   SITE            140
FT                   /note="Raises pKa of active site His"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01166"
SQ   SEQUENCE   667 AA;  74893 MW;  0A6D903332CDDE5F CRC64;
     MKAIVFAYHD IGCVGLNALA EAGYDIQAVF THTDNPGENR FFSSVARVAA DLALPVFAPE
     DVNHPLWVER IRELQPDIIF SFYYRNMLSD EILSLAPQGG FNLHGSLLPQ YRGRAPINWV
     LVNGETETGV TLHQMVKKAD AGPIAGQYKV AISDVDTALT LHAKMRDAAQ ELLRNLLPRM
     KEGPLPLTPQ KEADASYFGR RTAADGEIHW QKSAFTINNL VRAVTEPYPG AFSYLGQRKL
     TIWRSRPLDL VHNKLPGTVL STAPLTVACG EGALEIITGQ GEAGLYVQGD RLAQEMGIVT
     DVRLGNKPSN TLKRRTRVLI LGVNGFIGNH LTERLLQDDR YEVYGLDIGS DAISRFLGNP
     AFHFVEGDIS IHSEWIEYHI KKCDVILPLV AIATPIEYTR NPLRVFELDF EENLKIVRDC
     VKYNKRIVFP STSEVYGMCD DKEFDEDTSR LIVGPINKQR WIYSVSKQLL DRVIWAYGVK
     EGLKFTLFRP FNWMGPRLDN LDAARIGSSR AITQLILNLV EGSPIKLVDG GAQKRCFTDI
     HDGIEALFRI IENRDGCCDG QIINIGNPTN EASIRELAEM LLTSFENHEL RDHFPPFAGF
     KDIESSAYYG KGYQDVEYRT PSIKNARRIL HWQPEIAMQQ TVTETLDFFL RAAVIEKTAA
     PKDELNA
 
 
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