ID   SBP1_ANTMA              Reviewed;         131 AA.
AC   Q38741;
DT   15-JUL-1999, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=Squamosa promoter-binding protein 1;
GN   Name=SBP1;
OS   Antirrhinum majus (Garden snapdragon).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Lamiales; Plantaginaceae; Antirrhineae; Antirrhinum.
OX   NCBI_TaxID=4151;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Snowman;
RX   PubMed=8569690; DOI=10.1007/bf02191820;
RA   Klein J., Saedler H., Huijser P.;
RT   "A new family of DNA binding proteins includes putative transcriptional
RT   regulators of the Antirrhinum majus floral meristem identity gene
RT   SQUAMOSA.";
RL   Mol. Gen. Genet. 250:7-16(1996).
CC   -!- FUNCTION: Probable transcriptional factor. Binds to the promoter of the
CC       SQUAMOSA gene.
CC   -!- SUBCELLULAR LOCATION: Nucleus.
CC   -!- DOMAIN: The SBP-type zinc finger is required for the binding to DNA.
CC       {ECO:0000250}.
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DR   EMBL; X92369; CAA63113.1; -; mRNA.
DR   PIR; S62360; S62360.
DR   AlphaFoldDB; Q38741; -.
DR   SMR; Q38741; -.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0009908; P:flower development; IEA:InterPro.
DR   Gene3D; 4.10.1100.10; -; 1.
DR   InterPro; IPR004333; SBP_dom.
DR   InterPro; IPR017238; SBP_fam.
DR   InterPro; IPR036893; SBP_sf.
DR   InterPro; IPR044817; SPL.
DR   PANTHER; PTHR31251; PTHR31251; 1.
DR   Pfam; PF03110; SBP; 1.
DR   PIRSF; PIRSF037575; SBP; 1.
DR   SUPFAM; SSF103612; SSF103612; 1.
DR   PROSITE; PS51141; ZF_SBP; 1.
PE   2: Evidence at transcript level;
KW   DNA-binding; Metal-binding; Nucleus; Transcription;
KW   Transcription regulation; Zinc; Zinc-finger.
FT   CHAIN           1..131
FT                   /note="Squamosa promoter-binding protein 1"
FT                   /id="PRO_0000132720"
FT   ZN_FING         49..126
FT                   /note="SBP-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   REGION          1..52
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           109..125
FT                   /note="Bipartite nuclear localization signal"
FT                   /evidence="ECO:0000255"
FT   COMPBIAS        38..52
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         52
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         57
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         74
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         77
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         93
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         96
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         100
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT   BINDING         112
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
SQ   SEQUENCE   131 AA;  14919 MW;  71DA57E150E4B23C CRC64;
     MDTSKGEGKR VIKLPGSQEQ GEEEDDIGED SKKTRALTPS GKRASGSTQR SCQVENCAAE
     MTNAKPYHRR HKVCEFHAKA PVVLHSGLQQ RFCQQCSRFH ELSEFDEAKR SCRRRLAGHN
     ERRRKSSHDT H