NCBI Accession #
NP_564749.1
NCBI GenBank Nucleotide #
NM_104657.4
NCBI Official Full Name
transcription factor BIG PETAL P (BPE)
NCBI Official Symbol
BPEp
NCBI Official Synonym Symbols
BIG PETAL; BIG PETAL P; BIG PETAL UB; BPE; BPEub; T30E16.21; T30E16_21; ZCW32
NCBI Protein Information
transcription factor BIG PETAL P (BPE)
NCBI Summary
A basic helix-loop-helix encoding gene (BIGPETAL, BPE) involved in the control of petal size. BPE is expressed via two mRNAs derived from an alternative splicing event. The BPEub (AT1G59640.1)transcript is expressed ubiquitously, whereas the BPEp (AT1G59640.2) transcript is preferentially expressed in petals. Plants that lack the petal-expressed variant BPEp have larger petals as a result of increased cell size. BPEp is positively regulated downstream of APETALA3, PISTILLATA, APETALA1 and PISTILLATA3 and is negatively regulated downstream of AGAMOUS.
UniProt Synonym Gene Names
BHLH31; EN88; ZCW32; AtbHLH31; bHLH 31
UniProt Protein Name
Transcription factor BPE
UniProt Synonym Protein Names
Basic helix-loop-helix protein 31; AtbHLH31; bHLH 31; Protein BIG PETAL; Transcription factor EN 88; bHLH transcription factor bHLH031
UniProt Primary Accession #
Q0JXE7
UniProt Secondary Accession #
Q84JL1; Q8LCW3; Q9LQ51; Q9SLT6
UniProt Related Accession #
Q0JXE7
UniProt Comments
Involved in the control of petal size, by interfering with postmitotic cell expansion to limit final petal cell size.