Protein Information

General Information
MoonProt ID253
First appeared in release1.0
Name(s)Sulfite reductase Sulfite reductase [ferredoxin], chloroplastic PsSiR Gene Name:SIR
UniProt IDQ75NZ0 (SIR_PEA), Reviewed
GO termsGO:0006275 regulation of DNA replication GO:0006323 DNA packaging GO:0006351 transcription, DNA-templated GO:0006355 regulation of transcription, DNA-templated GO:0019424 sulfide oxidation, using siroheme sulfite reductase GO:0045892 negative regulation of transcription, DNA-templated GO:0055114 oxidation-reduction process GO:0003677 DNA binding GO:0016491 oxidoreductase activity GO:0020037 heme binding GO:0046872 metal ion binding GO:0050311 sulfite reductase (ferredoxin) activity GO:0051536 iron-sulfur cluster binding GO:0051539 4 iron, 4 sulfur cluster binding GO:0009507 chloroplast GO:0009532 plastid stroma GO:0009536 plastid GO:0009570 chloroplast stroma GO:0042644 chloroplast nucleoid GO:0042646 plastid nucleoid GO:1900160 plastid DNA packaging
Organisms for which functions have been demonstratedPisum sativum (garden pea)
Sequence length685
FASTA sequence>sp|Q75NZ0|SIR_PEA Sulfite reductase [ferredoxin], chloroplastic OS=Pisum sativum GN=SIR PE=1 SV=2 MTTSFAAAALRDPKLQIPNYHGLRSSSAASSLSRNALSVPSSTRSSSLIRAVSTPAKSETATEKKRSKVEIFKEQSNFIRYPLNEDMLTDAPNLSEAATQLIKFHGSYQQYNRDERGSRTYSFMIRTKNPCGKVSNQLYLTMDDLADQFGIGTLRLTTRQTFQLHGVVKKDLKTVMGSIIRNMGSSLGACGDLNRNVLAPAAPIVSKDYLFAQETSENIAALLTPQSGFYYDVWVDGERFMSAEPPEVIQARNDNSHGTNFTDSPEPIYGTQFLPRKFKIAVTVPTDNSVDILTNDIGVVVVTGDGGEPQGFNLYVGGGMGRTHRMETTFPRLAEPLGYVPKEDILYAVKAIVVTQRENGRRDDRRYSRMKYLIDSWGIDKFRNVVEEYYGKKFEPFRSLPEWEFKSYLGWHQQGDGGLFCGLHVDNGRIAGKMKTALREVIEKYHLNVRLTPNQNLILTDIRAAWKRPITTILSQAGLLLPRYVDPLNITAMACPAFPLCPLAITEAERGIPSILKRIRDMFEKVGLKYNESVVVRITGCPNGCARPYMAELGLVGDGPNSYQIWLGGSSNQTSIARSFMDKVKPQDLEKVLEPLFYHWKQKRQSKESFGDFTVRLGFEKLKEFIEKWEGPAVPPTRHNLKLFTDKDTYEAMDGLAKLQNKNAHQLAMEVVRNYIASNLNGKGE
Structure Information
PDB ID
Quaternary structure
Function 1
Function descriptionSulfite reductase, enzyme Hydrogen sulfide + 6 oxidized ferredoxin + 3 H2O <=> sulfite + 6 reduced ferredoxin + 6 H+
References for functionNakamura, Naoki, et al. "Phylogenetic classification of Dof-type transcription factors in pea (Pisum sativum)." Plant Biotechnology20.3 (2003): 247-252.
E.C. number1.8.7.1
Location of functional site(s)metal binding: 495, 501, 541, 545
Cellular location of functionplastid, chloroplast stroma
Comments
Function 2
Function descriptioncompact DNA in nucleoids of plastids method to regulate transcription
References for functionSekine K, Hase T, Sato N. Reversible DNA compaction by sulfite reductase regulates transcriptional activity of chloroplast nucleoids. J Biol Chem. 2002 Jul 5;277(27):24399-404. PMID: 11997391
E.C. numberN/A
Location of functional site(s)
Cellular location of functionchloroplast nucleoids
Comments