ID   MYBP_MAIZE              Reviewed;         399 AA.
AC   P27898; P27899;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   03-AUG-2022, entry version 119.
DE   RecName: Full=Myb-related protein P;
GN   Name=P;
OS   Zea mays (Maize).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC   Panicoideae; Andropogonodae; Andropogoneae; Tripsacinae; Zea.
OX   NCBI_TaxID=4577;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=2052542; DOI=10.1073/pnas.88.11.4587;
RA   Grotewold E., Athma P., Peterson T.;
RT   "Alternatively spliced products of the maize P gene encode proteins with
RT   homology to the DNA-binding domain of myb-like transcription factors.";
RL   Proc. Natl. Acad. Sci. U.S.A. 88:4587-4591(1991).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1317315; DOI=10.1093/genetics/131.1.199;
RA   Athma P., Grotewold E., Peterson T.;
RT   "Insertional mutagenesis of the maize P gene by intragenic transposition of
RT   Ac.";
RL   Genetics 131:199-209(1992).
CC   -!- FUNCTION: Transcription factor postulated to regulate the biosynthetic
CC       pathway of a flavonoid-derived pigment in certain floral tissues.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000305}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=2;
CC       Name=Long;
CC         IsoId=P27898-1; Sequence=Displayed;
CC       Name=Short;
CC         IsoId=P27898-2; Sequence=VSP_003301, VSP_003302;
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DR   EMBL; M73028; AAA33500.1; -; mRNA.
DR   EMBL; M73029; AAA33501.1; -; mRNA.
DR   EMBL; Z11879; CAA77939.1; -; Genomic_DNA.
DR   PIR; A39697; A39697.
DR   PIR; B39697; B39697.
DR   AlphaFoldDB; P27898; -.
DR   SMR; P27898; -.
DR   STRING; 4577.GRMZM2G084799_P01; -.
DR   PaxDb; P27898; -.
DR   PRIDE; P27898; -.
DR   MaizeGDB; 69180; -.
DR   MaizeGDB; 69181; -.
DR   eggNOG; KOG0048; Eukaryota.
DR   Proteomes; UP000007305; Unplaced.
DR   ExpressionAtlas; P27898; baseline and differential.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   CDD; cd00167; SANT; 2.
DR   InterPro; IPR009057; Homeobox-like_sf.
DR   InterPro; IPR010588; Myb-rel_proteinP_C.
DR   InterPro; IPR017930; Myb_dom.
DR   InterPro; IPR001005; SANT/Myb.
DR   Pfam; PF00249; Myb_DNA-binding; 2.
DR   Pfam; PF06640; P_C; 1.
DR   SMART; SM00717; SANT; 2.
DR   SUPFAM; SSF46689; SSF46689; 1.
DR   PROSITE; PS51294; HTH_MYB; 2.
PE   2: Evidence at transcript level;
KW   Alternative splicing; DNA-binding; Nucleus; Reference proteome; Repeat;
KW   Transcription; Transcription regulation.
FT   CHAIN           1..399
FT                   /note="Myb-related protein P"
FT                   /id="PRO_0000197066"
FT   DOMAIN          9..61
FT                   /note="HTH myb-type 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00625"
FT   DOMAIN          62..116
FT                   /note="HTH myb-type 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00625"
FT   DNA_BIND        37..61
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00625"
FT   DNA_BIND        89..112
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00625"
FT   REGION          138..222
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          242..262
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        188..211
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   VAR_SEQ         89..152
FT                   /note="WSLIASHLPGRTDNEIKNYWNSHLSRQIHTYRRKYTAGPDDTAIAIDMSKLQ
FT                   SADRRRGGRTPG -> RHLMIEADYSPPSTVRCLPRGALAYLTLPRQSPFQTARITYDR
FT                   IGSALLRSVRFCFRCVPSRW (in isoform Short)"
FT                   /evidence="ECO:0000305"
FT                   /id="VSP_003301"
FT   VAR_SEQ         153..399
FT                   /note="Missing (in isoform Short)"
FT                   /evidence="ECO:0000305"
FT                   /id="VSP_003302"
SQ   SEQUENCE   399 AA;  43756 MW;  EE025B00A44CF5D0 CRC64;
     MGRTPCCEKV GLKRGRWTAE EDQLLANYIA EHGEGSWRSL PKNAGLLRCG KSCRLRWINY
     LRADVKRGNI SKEEEDIIIK LHATLGNRWS LIASHLPGRT DNEIKNYWNS HLSRQIHTYR
     RKYTAGPDDT AIAIDMSKLQ SADRRRGGRT PGRPPKASAS RTKQADADQP GGEAKGPAAA
     ASSPRHSDVV NPGPNQPNSS SGSTGTAEEE GPSSEDASGP WVLEPIELGD LVWGEADSEM
     DALMPIGPGG TTRLPSKGLA RSAARPRWTT CSTWTGMASR PICGAGRSRT STARSCGRPP
     SRWKLLLLLL LRRRPAPRTI ASWRRSRLGS CPTRSDGSGH RTDQTDQIIG SRVLARSLPS
     RGSWFRWPNN WEKNSTARAV KPPPCAPDVD ACRVELLRI