ID   RGP1_PHODC              Reviewed;          60 AA.
AC   P85413;
DT   05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 32.
DE   RecName: Full=Probable UDP-arabinopyranose mutase 1 {ECO:0000305};
DE            EC=5.4.99.30 {ECO:0000250|UniProtKB:Q8H8T0};
DE   AltName: Full=Reversibly glycosylated polypeptide {ECO:0000305};
DE            Short=RGP {ECO:0000305};
DE   AltName: Full=UDP-L-arabinose mutase 1 {ECO:0000305};
DE   AltName: Full=UDP-glucose:protein transglucosylase {ECO:0000305};
DE            Short=UPTG {ECO:0000305};
DE   Flags: Fragments;
OS   Phoenix dactylifera (Date palm).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Arecaceae; Coryphoideae;
OC   Phoeniceae; Phoenix.
OX   NCBI_TaxID=42345;
RN   [1]
RP   PROTEIN SEQUENCE, MASS SPECTROMETRY, AND ALLERGEN.
RC   TISSUE=Pollen {ECO:0000269|PubMed:20128428};
RX   PubMed=20128428;
RA   Postigo I., Guisantes J.A., Negro J.M., Rodriguez-Pacheco R.,
RA   David-Garcia D., Martinez J.;
RT   "Identification of 2 new allergens of Phoenix dactylifera using an
RT   immunoproteomics approach.";
RL   J. Investig. Allergol. Clin. Immunol. 19:504-507(2009).
CC   -!- FUNCTION: Probable UDP-L-arabinose mutase involved in the biosynthesis
CC       of cell wall non-cellulosic polysaccharides.
CC       {ECO:0000250|UniProtKB:Q8H8T0}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=UDP-beta-L-arabinofuranose = UDP-beta-L-arabinopyranose;
CC         Xref=Rhea:RHEA:28350, ChEBI:CHEBI:61457, ChEBI:CHEBI:61463;
CC         EC=5.4.99.30; Evidence={ECO:0000250|UniProtKB:Q8H8T0};
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000250|UniProtKB:Q8H8T0};
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000250|UniProtKB:Q8H8T0};
CC   -!- SUBUNIT: Homopentamer or homohexamer. {ECO:0000250|UniProtKB:Q8RU27}.
CC   -!- SUBCELLULAR LOCATION: Secreted, cell wall
CC       {ECO:0000250|UniProtKB:P80607}. Cell junction, plasmodesma
CC       {ECO:0000250|UniProtKB:P80607}. Golgi apparatus
CC       {ECO:0000250|UniProtKB:P80607}. Note=Cell wall-associated, with highest
CC       concentrations on plasmodesmata. Also located in the Golgi apparatus
CC       (By similarity). {ECO:0000250|UniProtKB:P80607}.
CC   -!- MASS SPECTROMETRY: Mass=40081; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:20128428};
CC   -!- ALLERGEN: Causes an allergic reaction in human. Binds to IgE.
CC       {ECO:0000269|PubMed:20128428}.
CC   -!- MISCELLANEOUS: On the 2D-gel the determined pI of this protein is:
CC       6.24, its MW is: 20 kDa. {ECO:0000269|PubMed:20128428}.
CC   -!- SIMILARITY: Belongs to the RGP family. {ECO:0000255}.
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DR   AlphaFoldDB; P85413; -.
DR   Proteomes; UP000228380; Genome assembly.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-KW.
DR   GO; GO:0005794; C:Golgi apparatus; IEA:UniProtKB-SubCell.
DR   GO; GO:0009506; C:plasmodesma; IEA:UniProtKB-SubCell.
DR   GO; GO:0052691; F:UDP-arabinopyranose mutase activity; IEA:UniProtKB-EC.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0030244; P:cellulose biosynthetic process; IEA:UniProtKB-KW.
DR   InterPro; IPR037595; RGP_fam.
DR   PANTHER; PTHR31682; PTHR31682; 2.
DR   Pfam; PF03214; RGP; 1.
PE   1: Evidence at protein level;
KW   Allergen; Cell junction; Cell wall; Cell wall biogenesis/degradation;
KW   Cellulose biosynthesis; Direct protein sequencing; Golgi apparatus;
KW   Isomerase; Reference proteome; Secreted.
FT   CHAIN           <1..>60
FT                   /note="Probable UDP-arabinopyranose mutase 1"
FT                   /id="PRO_0000372707"
FT   NON_CONS        20..21
FT                   /evidence="ECO:0000303|PubMed:20128428"
FT   NON_CONS        30..31
FT                   /evidence="ECO:0000303|PubMed:20128428"
FT   NON_TER         1
FT                   /evidence="ECO:0000303|PubMed:20128428"
FT   NON_TER         60
FT                   /evidence="ECO:0000303|PubMed:20128428"
SQ   SEQUENCE   60 AA;  6847 MW;  5019F32CE16FF636 CRC64;
     TIKVPEGFDY ELYNRNDINR YVDAVLTIPK VICDHLGLGV KTGLPYIWHS KASNPFVNLK