ID   DEF21_ANTMA             Reviewed;         247 AA.
AC   Q8RVL4;
DT   13-DEC-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=MADS-box protein defh21;
DE   AltName: Full=DEFICIENS homolog 21;
GN   Name=DEFH21;
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   TISSUE=Flower bud;
RX   PubMed=11862488; DOI=10.1007/s00438-001-0615-8;
RA   Becker A., Kaufmann K., Freialdenhoven A., Vincent C., Li M.-A.,
RA   Saedler H., Theissen G.;
RT   "A novel MADS-box gene subfamily with sistergroup relationship to class B
RT   floral homeotic genes.";
RL   Mol. Genet. Genomics 266:942-950(2002).
CC   -!- FUNCTION: Probable transcription factor.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000255|PROSITE-ProRule:PRU00251}.
CC   -!- TISSUE SPECIFICITY: Expressed exclusively in a few inner cell layers of
CC       the inner integuments of the ovules.
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DR   EMBL; AJ307056; CAC85225.1; -; mRNA.
DR   AlphaFoldDB; Q8RVL4; -.
DR   SMR; Q8RVL4; -.
DR   PRIDE; Q8RVL4; -.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:InterPro.
DR   GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR   GO; GO:0000977; F:RNA polymerase II transcription regulatory region sequence-specific DNA binding; IEA:InterPro.
DR   GO; GO:0045944; P:positive regulation of transcription by RNA polymerase II; IEA:InterPro.
DR   GO; GO:0048316; P:seed development; IEA:InterPro.
DR   CDD; cd00265; MADS_MEF2_like; 1.
DR   Gene3D; 3.40.1810.10; -; 1.
DR   InterPro; IPR031050; FBP24/AGL63/defh21-like.
DR   InterPro; IPR033896; MADS_MEF2-like.
DR   InterPro; IPR002487; TF_Kbox.
DR   InterPro; IPR002100; TF_MADSbox.
DR   InterPro; IPR036879; TF_MADSbox_sf.
DR   PANTHER; PTHR11945:SF537; PTHR11945:SF537; 1.
DR   Pfam; PF01486; K-box; 1.
DR   Pfam; PF00319; SRF-TF; 1.
DR   PRINTS; PR00404; MADSDOMAIN.
DR   SMART; SM00432; MADS; 1.
DR   SUPFAM; SSF55455; SSF55455; 1.
DR   PROSITE; PS51297; K_BOX; 1.
DR   PROSITE; PS00350; MADS_BOX_1; 1.
DR   PROSITE; PS50066; MADS_BOX_2; 1.
PE   2: Evidence at transcript level;
KW   DNA-binding; Nucleus; Transcription; Transcription regulation.
FT   CHAIN           1..247
FT                   /note="MADS-box protein defh21"
FT                   /id="PRO_0000199494"
FT   DOMAIN          1..61
FT                   /note="MADS-box"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00251"
FT   DOMAIN          91..183
FT                   /note="K-box"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00629"
SQ   SEQUENCE   247 AA;  29052 MW;  7BEF23BC7C504371 CRC64;
     MGRGKIEVKR IENNTSRQVT FSKRRSGLMK KTHELSVLCD AQIGLIVFST KGKLTEYCTP
     PFSMKQIIDR YVKAKGILPE MENRAGPHAD NDQVIKELTR MKEETLNLQL NLQRYKGDDL
     STVRFEELTE LEKLLDQSLN KVRARKLELL HEQMENLKRT EFMLEKENQE MYHWLMSNQI
     QRQAEVEHHH QQQVMTELKL VEQQQPLMNE FPFFGEDLHL GTLPLLDTHS YRLQPTQPNL
     QDPAQIN