ID   TGA1B_TOBAC             Reviewed;         242 AA.
AC   P14233;
DT   01-JAN-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1990, sequence version 1.
DT   25-MAY-2022, entry version 91.
DE   RecName: Full=TGACG-sequence-specific DNA-binding protein TGA-1B;
DE            Short=TGA1b;
DE   AltName: Full=HSBF;
DE   Flags: Fragment;
GN   Name=TGA1B;
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 [MRNA].
RX   PubMed=2528073; DOI=10.1038/340727a0;
RA   Katagiri F., Lam E., Chua N.H.;
RT   "Two tobacco DNA-binding proteins with homology to the nuclear factor
RT   CREB.";
RL   Nature 340:727-730(1989).
CC   -!- FUNCTION: Binds specifically to the DNA sequence 5'-TGACG-3'.
CC   -!- SUBCELLULAR LOCATION: Nucleus.
CC   -!- SIMILARITY: Belongs to the bZIP family. {ECO:0000305}.
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DR   EMBL; X16450; CAA34469.1; -; mRNA.
DR   PIR; S05453; S05453.
DR   AlphaFoldDB; P14233; -.
DR   SMR; P14233; -.
DR   STRING; 4097.P14233; -.
DR   Proteomes; UP000084051; Unplaced.
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   InterPro; IPR004827; bZIP.
DR   InterPro; IPR046347; bZIP_sf.
DR   Pfam; PF00170; bZIP_1; 1.
DR   SMART; SM00338; BRLZ; 1.
DR   SUPFAM; SSF57959; SSF57959; 1.
DR   PROSITE; PS50217; BZIP; 1.
PE   2: Evidence at transcript level;
KW   DNA-binding; Nucleus; Reference proteome.
FT   CHAIN           <1..242
FT                   /note="TGACG-sequence-specific DNA-binding protein TGA-1B"
FT                   /id="PRO_0000076547"
FT   DOMAIN          183..242
FT                   /note="bZIP"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00978"
FT   REGION          1..125
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          185..216
FT                   /note="Basic motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00978"
FT   REGION          225..239
FT                   /note="Leucine-zipper"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00978"
FT   COMPBIAS        20..48
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        87..125
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_TER         1
SQ   SEQUENCE   242 AA;  26226 MW;  04430D0D8A26207F CRC64;
     EFCDFSGNQA AGGVMVMDTS SPELRQSSSG SDVLNATSST SSHQVSGDVA GYLNVPSPES
     NGSNHEGSRE SANDNKGLGD ARVLNCHSPE SQGSGNYGSN VSEGLNYPSD SNKSVHSSPN
     FENNSIKNGA VEEKIKLEGV NANISKCSSL LKRKKSSEDS NNINIHQKLT NVALSDNVNN
     DEDEKKRARL VRNRESAQLS RQRKKHYVEE LEDKVRIMHS TIQDLNAKVA YIIAENATLK
     TQ