Plant Transcription factor database - Universität Potsdam
version: 3.0

Oryza sativa subsp. indica SBP Family


Cardon et al. 1999: The Arabidopsis thaliana SPL gene family represents a group of structurally diverse genes encoding putative transcription factors found apparently only in plants. The distinguishing characteristic of the SPL gene family is the SBP-box encoding a conserved protein domain of 76 amino acids in length, the SBP-domain, which is responsible for the interaction with DNA. We present here characterisation of 12 members of the SPL gene family. These genes show highly diverse genomic organisations and are found scattered over the Arabidopsis genome. Some SPL genes are constitutively expressed, while transcriptional activity of others is under developmental control. Based on phylogenetic reconstruction, gene structure and expression patterns, they can be divided into subfamilies. In addition to the Arabidopsis SPL genes, we isolated and determined the sequences of three SBP-box genes from Antirrhinum majus and seven from Zea mays.

Members of this family
  SHOULD possess SBP domain

Domain alignments

This family is also present in:


There are 17 gene models in this family

Gene modelDescriptionDomains
OsIBCD001265 Chr01_1851,2307,,,1,2307, SBP
OsIBCD004329 Chr01_6624,1239,,,1,1239, SBP
OsIBCD005009 Chr02_402,3540,,,1,3540, Glyco_hydro_17 SBP X8
OsIBCD005229 Chr02_770,957,,,1,957, SBP
OsIBCD005251 Chr02_800,1446,,,1,1446, SBP
OsIBCD012522 Chr03_6110,2799,,,1,2799, SBP
OsIBCD015188 Chr04_4011,1083,,,1,1083, SBP
OsIBCD015865 Chr04_4967,1251,,,1,1251, SBP
OsIBCD017974 Chr05_3156,2739,,,1,2739, SBP
OsIBCD021662 Chr06_4249,1281,,,1,1281, SBP
OsIBCD021663 Chr06_4250,918,,,1,918, SBP
OsIBCD021693 Chr06_4295,1035,,,1,1035, SBP
OsIBCD021948 Chr06_4662,1428,,,1,1428, SBP
OsIBCD023562 Chr07_2595,651,,,1,651, SBP
OsIBCD027075 Chr08_4048,3423,,,1,3423, SBP
OsIBCD027199 Chr08_4241,1248,,,1,1248, SBP
OsIBCD029059 Chr09_2764,1479,,,1,1479, SBP

General references

Guo, AY; Zhu, QH; Gu, X; Ge, S; Yang, J; Luo, J. 2008. Genome-wide identification and evolutionary analysis of the plant specific SBP-box transcription factor family. Gene 418(1-2):1-8 PUBMEDID:18495384
Klein, J; Saedler, H; Huijser, P. 1996. A new family of DNA binding proteins includes putative transcriptional regulators of the Antirrhinum majus floral meristem identity gene SQUAMOSA. Mol. Gen. Genet. 250(1):7-16 PUBMEDID:8569690