SBP2_ANTMA
ID SBP2_ANTMA Reviewed; 171 AA.
AC Q38740;
DT 15-JUL-1999, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 03-AUG-2022, entry version 90.
DE RecName: Full=Squamosa promoter-binding protein 2;
GN Name=SBP2;
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; X92079; CAA63061.1; -; mRNA.
DR PIR; S62361; S62361.
DR AlphaFoldDB; Q38740; -.
DR SMR; Q38740; -.
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..171
FT /note="Squamosa promoter-binding protein 2"
FT /id="PRO_0000132721"
FT ZN_FING 82..159
FT /note="SBP-type"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT REGION 20..46
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 57..76
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 149..171
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT MOTIF 142..158
FT /note="Bipartite nuclear localization signal"
FT /evidence="ECO:0000255"
FT COMPBIAS 24..40
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 155..171
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 85
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 90
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 107
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 110
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 126
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 129
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 133
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
FT BINDING 145
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00470"
SQ SEQUENCE 171 AA; 19466 MW; E8B6B494157575EF CRC64;
MDPNMQNMMS SYLKIKKLVG DEGSDFEEEE EGEDEEEEEQ ERVVKVNFAE SQLKKKKLNL
GEGSGGKSGE KHTASGGGVV AQPCCLVENC GADLRNCKKY YQRHRVCEVH AKAPVVSVEG
LMQRFCQQCS RFHDLSEFDQ TKRSCRRRLA GHNERRRKSS LESHKEGRSP R