※ dbPPT Protein Information

TagContent
UniProt Accession
Theoretical PI
9.91 
Molecular Weight
58813.24 
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
RNA polymerase sigma factor sigE, chloroplastic/mitochondrial; Sigma factor E; Sigma-E; RNA polymerase sigma factor sig5; Atsig5; Sigma factor 5 
Gene Name
SIGE; SIG5; At5g24120; MLE8.4 
Created Date
2012-07-11 
Organism
Arabidopsis thaliana(Mouse-ear cress) 
NCBI Taxa ID
3702 
Phosphorylation Sites
Position
Peptide
Source
References
23
GLGNDLLTHRSSLKK
dbPPT, P3DB
[1, 2]
27
DLLTHRSSLKKPSIV
dbPPT, P3DB
[1, 2]
13
ISSSAARSPLGLGND
dbPPT, P3DB
[1, 2]
26
NDLLTHRSSLKKPSI
dbPPT, P3DB
[1, 2]
Functional Description
Essential protein. Sigma factors are initiation factors that promote the attachment of plastid-encoded RNA polymerase (PEP) to specific initiation sites (e.g. psbA and psbD) and are then released. Essential for blue light-mediated transcription of psbD, which encodes the photosystem II reaction center protein D2. Plays a role in reproduction. 
Sequence Annotation
transit peptide 1 34 Chloroplast
chain 35 517 RNA polymerase sigma factor sigE, chloroplastic/mitochondrial
DNA-binding region 478 497 H-T-H motif
short sequence motif 310 323 Polymerase core binding
splice variant 1 In isoform 2.
Keyword
Alternative splicing,Chloroplast,Complete proteome,DNA-binding,Mitochondrion,Plastid,Reference proteome,Sigma factor,Transcription,Transcription regulation,Transit peptide 
Sequence Source
UniProt 
Protein Sequence
MGVVSISSSA ARSPLGLGND LLTHRSSLKK PSIVAFKADD SSNSALIIPP REQVLIPAEK 60
HNEKKREVTR RKPCKTPKKP LSLEHNSAPS CSLGVDYNEA AARLESIYKL SPATTTLVED 120
DVEDGGSKAK VSRRRKRKES GEEKKVVVRN NVKKEKRMSL DKRIALKRNV QEKPVVASVD 180
KKVTKRQQEE EKIERLVRDY SASNDIVSLD WKKMKIPPVL SSTEHAWLFK LMQPMKALLE 240
VKDVLQKSLG REPREAEIAG EINMTAGEVK KKIEIGRAAR NKLIKHNLRL VLFVMNKYFH 300
EFTNGPKFQD LCQAGMRGLI TAIDRFEPKR KFRLSTYGLF WIRHAIIRSM TTSNFTRVPF 360
GLESVRVEIY KAKTELWFEM GRPPTEDEVV ERLKITPERY REVLRAAKPV LSLNSKHSVT 420
QEEFINGITD VDGVGANNSR QPALLRLALD DVLDSLKPKE SLVIRQRYGL DGKGDRTLGE 480
IAGNLNISRE MVRKHEVKAL MKLKHQARVD YLRQYIV 517 
Gene Ontology
GO:0009507; C: chloroplast; IDA: UniProtKB
GO:0005739; C: mitochondrion; IDA: UniProtKB
GO:0003677; F: DNA binding; IEA: UniProtKB-KW
GO:0001053; F: plastid sigma factor activity; IMP: UniProtKB
GO:0003700; F: sequence-specific DNA binding transcription factor activity; IEA: InterPro
GO:0016987; F: sigma factor activity; ISS: TAIR
GO:0071483; P: cellular response to blue light; IEP: UniProtKB
GO:0009658; P: chloroplast organization; IMP: TAIR
GO:0006352; P: DNA-templated transcription, initiation; ISS: UniProtKB
GO:0010207; P: photosystem II assembly; IMP: UniProtKB
GO:0045893; P: positive regulation of transcription, DNA-templated; IMP: TAIR
GO:2001141; P: regulation of RNA biosynthetic process; IMP: UniProtKB
GO:0009637; P: response to blue light; IGI: TAIR
GO:0010218; P: response to far red light; IEP: TAIR
GO:0010114; P: response to red light; IEP: TAIR 
Interpro
InterPro; IPR014284; RNA_pol_sigma-70_dom
InterPro; IPR000943; RNA_pol_sigma70
InterPro; IPR007627; RNA_pol_sigma70_r2
InterPro; IPR007624; RNA_pol_sigma70_r3
InterPro; IPR007630; RNA_pol_sigma70_r4
InterPro; IPR013325; RNA_pol_sigma_r2
InterPro; IPR013324; RNA_pol_sigma_r3_r4
InterPro; IPR011991; WHTH_DNA-bd_dom
Pfam
Pfam; PF04542; Sigma70_r2
Pfam; PF04539; Sigma70_r3
Pfam; PF04545; Sigma70_r4 
SMART
 
PROSITE
 
PRINTS
PR00046; SIGMA70FCT