ID   ABP1_TOBAC              Reviewed;         187 AA.
AC   P33490;
DT   01-FEB-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1994, sequence version 1.
DT   24-JAN-2024, entry version 99.
DE   RecName: Full=Auxin-binding protein T85;
DE            Short=ABP;
DE   Flags: Precursor;
GN   Name=T85;
OS   Nicotiana tabacum (Common tobacco).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC   Nicotiana.
OX   NCBI_TaxID=4097;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=cv. NK 326;
RX   PubMed=9484463; DOI=10.1023/a:1005999821066;
RA   Watanabe S., Shimomura S.;
RT   "Cloning and expression of two genes encoding auxin-binding proteins from
RT   tobacco.";
RL   Plant Mol. Biol. 36:63-74(1998).
CC   -!- FUNCTION: This is probably a receptor for the plant hormone auxin.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Endoplasmic reticulum lumen.
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DR   EMBL; X70902; CAA50259.1; -; Genomic_DNA.
DR   PIR; S31835; S31835.
DR   RefSeq; XP_016514804.1; XM_016659318.1.
DR   AlphaFoldDB; P33490; -.
DR   SMR; P33490; -.
DR   STRING; 4097.P33490; -.
DR   GlyCosmos; P33490; 1 site, No reported glycans.
DR   PaxDb; 4097-P33490; -.
DR   GeneID; 107831537; -.
DR   KEGG; nta:107831537; -.
DR   OMA; YEDWFMP; -.
DR   OrthoDB; 458127at2759; -.
DR   PhylomeDB; P33490; -.
DR   Proteomes; UP000084051; Unplaced.
DR   GO; GO:0005788; C:endoplasmic reticulum lumen; IEA:UniProtKB-SubCell.
DR   GO; GO:0010011; F:auxin binding; ISS:UniProtKB.
DR   GO; GO:0008270; F:zinc ion binding; ISS:UniProtKB.
DR   GO; GO:0009734; P:auxin-activated signaling pathway; IEA:UniProtKB-KW.
DR   GO; GO:0000911; P:cytokinesis by cell plate formation; IBA:GO_Central.
DR   GO; GO:0051781; P:positive regulation of cell division; IBA:GO_Central.
DR   GO; GO:0045793; P:positive regulation of cell size; IBA:GO_Central.
DR   GO; GO:0032877; P:positive regulation of DNA endoreduplication; IBA:GO_Central.
DR   GO; GO:0009826; P:unidimensional cell growth; IBA:GO_Central.
DR   CDD; cd02220; cupin_ABP1; 1.
DR   Gene3D; 2.60.120.10; Jelly Rolls; 1.
DR   InterPro; IPR000526; Auxin-bd.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR011051; RmlC_Cupin_sf.
DR   PANTHER; PTHR37236; AUXIN-BINDING PROTEIN 1; 1.
DR   PANTHER; PTHR37236:SF1; AUXIN-BINDING PROTEIN 1; 1.
DR   Pfam; PF02041; Auxin_BP; 1.
DR   PRINTS; PR00655; AUXINBINDNGP.
DR   SUPFAM; SSF51182; RmlC-like cupins; 1.
DR   PROSITE; PS00014; ER_TARGET; 1.
PE   3: Inferred from homology;
KW   Auxin signaling pathway; Disulfide bond; Endoplasmic reticulum;
KW   Glycoprotein; Metal-binding; Receptor; Reference proteome; Signal; Zinc.
FT   SIGNAL          1..20
FT                   /evidence="ECO:0000255"
FT   CHAIN           21..187
FT                   /note="Auxin-binding protein T85"
FT                   /id="PRO_0000020615"
FT   MOTIF           184..187
FT                   /note="Prevents secretion from ER"
FT                   /evidence="ECO:0000255"
FT   BINDING         78
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P13689"
FT   BINDING         80
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P13689"
FT   BINDING         84
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P13689"
FT   BINDING         128
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250|UniProtKB:P13689"
FT   CARBOHYD        117
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000250|UniProtKB:P13689"
FT   DISULFID        22..177
FT                   /evidence="ECO:0000250|UniProtKB:P13689"
SQ   SEQUENCE   187 AA;  21256 MW;  57D175EF7D8AE6BD CRC64;
     MARHVLVVVA VLLFATAEAS QCSINGLPLV RNISELPQEN YGRSGLSHTT IAGSVLHGMK
     EIEVWLQTFA PGSRTPIHRH SCEEIFVVLK GQGILYLTPS SHSKYPGNPQ EFHIFPNSTF
     HIPVNDVHQV WNTGEHEDLQ VLVVISRPPV KVFMYDDWSM PHTAAKLKFP YYWDEECYQT
     TSWKDEL
//