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SIR

Gene
SIR
Protein
Sulfite reductase [ferredoxin], chloroplastic
Organism
Pisum sativum
Length
685 amino acids
Function
DNA-binding protein that binds to both double-stranded and single-stranded DNA without significant sequence specificity to reversibly repress the transcriptional activity of chloroplast nucleoids by promoting DNA compaction and possibly regulate DNA replication.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
76.9 kDa
Sequence
MTTSFAAAALRDPKLQIPNYHGLRSSSAASSLSRNALSVPSSTRSSSLIRAVSTPAKSETATEKKRSKVEIFKEQSNFIRYPLNEDMLTDAPNLSEAATQLIKFHGSYQQYNRDERGSRTYSFMIRTKNPCGKVSNQLYLTMDDLADQFGIGTLRLTTRQTFQLHGVVKKDLKTVMGSIIRNMGSSLGACGDLNRNVLAPAAPIVSKDYLFAQETSENIAALLTPQSGFYYDVWVDGERFMSAEPPEVIQARNDNSHGTNFTDSPEPIYGTQFLPRKFKIAVTVPTDNSVDILTNDIGVVVVTGDGGEPQGFNLYVGGGMGRTHRMETTFPRLAEPLGYVPKEDILYAVKAIVVTQRENGRRDDRRYSRMKYLIDSWGIDKFRNVVEEYYGKKFEPFRSLPEWEFKSYLGWHQQGDGGLFCGLHVDNGRIAGKMKTALREVIEKYHLNVRLTPNQNLILTDIRAAWKRPITTILSQAGLLLPRYVDPLNITAMACPAFPLCPLAITEAERGIPSILKRIRDMFEKVGLKYNESVVVRITGCPNGCARPYMAELGLVGDGPNSYQIWLGGSSNQTSIARSFMDKVKPQDLEKVLEPLFYHWKQKRQSKESFGDFTVRLGFEKLKEFIEKWEGPAVPPTRHNLKLFTDKDTYEAMDGLAKLQNKNAHQLAMEVVRNYIASNLNGKGE

Gene
SIR
Protein
Assimilatory sulfite reductase (ferredoxin), chloroplastic
Organism
Arabidopsis thaliana
Length
642 amino acids
Function
DNA-binding protein that binds to both double-stranded and single-stranded DNA without significant sequence specificity to reversibly repress the transcriptional activity of chloroplast nucleoids by promoting DNA compaction and possibly regulate DNA replication.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
71.95 kDa
Sequence
MSSTFRAPAGAATVFTADQKIRLGRLDALRSSHSVFLGRYGRGGVPVPPSASSSSSSPIQAVSTPAKPETATKRSKVEIIKEKSNFIRYPLNEELLTEAPNVNESAVQLIKFHGSYQQYNREERGGRSYSFMLRTKNPSGKVPNQLYLTMDDLADEFGIGTLRLTTRQTFQLHGVLKQNLKTVMSSIIKNMGSTLGACGDLNRNVLAPAAPYVKKDYLFAQETADNIAALLSPQSGFYYDMWVDGEQFMTAEPPEVVKARNDNSHGTNFVDSPEPIYGTQFLPRKFKVAVTVPTDNSVDLLTNDIGVVVVSDENGEPQGFNIYVGGGMGRTHRMESTFARLAEPIGYVPKEDILYAVKAIVVTQREHGRRDDRKYSRMKYLISSWGIEKFRDVVEQYYGKKFEPSRELPEWEFKSYLGWHEQGDGAWFCGLHVDSGRVGGIMKKTLREVIEKYKIDVRITPNQNIVLCDIKTEWKRPITTVLAQAGLLQPEFVDPLNQTAMACPAFPLCPLAITEAERGIPSILKRVRAMFEKVGLDYDESVVIRVTGCPNGCARPYMAELGLVGDGPNSYQVWLGGTPNLTQIARSFMDKVKVHDLEKVCEPLFYHWKLERQTKESFGEYTTRMGFEKLKELIDTYKGVSQ

Gene
sir
Protein
Sulfite reductase [ferredoxin]
Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Length
635 amino acids
Function
Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
71.441 kDa
Sequence
MVTTPTAAPRKPSKVEGIKERSNYLREPLATELLNDANYFTDDAVQILKFHGSYQQDNRDNRVKGQEKDYQFMLRTRNPGGLIPAQLYTALDDLSKTHGNQTLRVTTRQGLQIHGIVKKDLKMAIATVVNNLGSTLGACGDINRNVMAPAAPFRDKPEYGYAWDYANKVADLLSPQSGAYYEIWLDGEKVISGEEAPEVKAARQKDLNGTNLNDPKEPIYGQQFMPRKFKISVTVPGDNSIDVYTHDISLVVITDRHGELRGFNVLAGGGLGRTHNKEETFARAADPIGYVSKDDVYDLVKAIVATQRDYGDRHNRRHARMKYLLADWGVEKFRKQVETYMGKPFQSFKPLPAWRYQDYLGWHEQGDGKLFFGLSVENGRIKDEGDFQLKTALRKVVDQFQLPLRLTANHNILLYDINAQDKAAIEQIFQQHGVVTDPEAIDTLVRYSMACPALPTCGLAVTESERIMPSVNARLRDLLNSLDLPNESIVTRMTGCPNGCARPYMAEIGFVGSAPNSYQVWLGGSPNQERLAAAYTEKMPLEQLESLFEPLFVYFKQSRKGKESFGDFCHRVGFTALREFSHGYTAPAKGGKNRKNQRRVSLSDEMYAQLKARSERDNCPMNQIVQQALTAYLGK

Gene
SIR
Protein
Sulfite reductase [ferredoxin], chloroplastic
Organism
Zea mays
Length
635 amino acids
Function
DNA-binding protein that binds to both double-stranded and single-stranded DNA without significant sequence specificity to reversibly repress the transcriptional activity of chloroplast nucleoids by promoting DNA compaction and possibly regulate DNA replication.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
70.015 kDa
Sequence
MSGAIGGAEVHGFRGAAAQLPRSRVLGRPIRVAPPAAARPGGASAGSIRAVSAPAKKDASEVKRSKVEIIKEKSNFLRYPLNEELVSEAPNINESAVQLIKFHGSYQQTDRDVRGQKNYSFMLRTKNPCGKVPNQLYLAMDTLADEFGIGTLRLTTRQTFQLHGVLKKNLKTVLSTVIKNMGSTLGACGDLNRNVLAPAAPYVKKDILFAQQTAENIAALLTPQSGAYYDLWVDGEKIMSAEEPPEVTKARNDNSHGTNFPDSPEPIYGTQYLPRKFKVAVTAAGDNSVDILTNDIGVVVVSDDAGEPIGFNIYVGGGMGRTHRVETTFPRLADPLGYVPKEDILYAIKAIVVTQRENGRRDDRKYSRMKYMIDRWGIDRFRAEVEKYYGKKFESFRPLPEWQFNSYLGWQEQGDGKLFYGVHVDNGRVGGQAKKTLREIIEKYNLDVSITPNQNLILCGIDQAWREPITTALAQAGLLEPKDVDPLNLTAMACPALPLCPLAQTEAERGILPILKRIRAVFNKVGIKDSESVVVRITGCPNGCARPYMAELGFVGDGPKSYQIWLGGTPNQSTLAESFMDKVKLDDIEKVLEPLFTYWNGTRQEGESFGSFTNRTGFDKLKEVVNKWAESPSAA

Gene
sir
Protein
Sulfite reductase [ferredoxin]
Organism
Synechococcus elongatus (strain PCC 7942)
Length
624 amino acids
Function
Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
70.131 kDa
Sequence
MSPTAAPQKLSKVEDLKARSQYLLEPILSQLQEESTHFNEDGIQILKFHGSYQQDNRDNRVKGQEKDFQFMLRLRSPGGYIPPQLYLTLDQLADDYGNGTLRATTRQAFQLHGILKRDLKTVIRRIVENLGSTISACGDVNRNVMAPPAPFRDRPEYEWARTYANNIADLLTPESGAYYELWLDGEKVLSGEPDPAVLAARRNPKGRVADSVEPLYSDRYLPRKFKIAVTVPGDNSIDLFTQDIGLVVIGNDRGELEGFNVYVGGGMGRTHNKEETFARLADPLGFVPAADIYAAVQAIVATQRDYGDRSNRRHARMKYLIHDWGIAKFKEAVESVFGKAIAPVRELPPFRYRDYLGWHEQGDGKWFLGLPITSGRIKDDGNWQLRSALREIVSRWQLPLLLTGSQDVLIYDVQPGDRAAIDKLLRDRGVHTVEAIDSLQRYAMACPALPTCGLAITESERALPGLLVRIRRLLEEQGLPDEHFVVRMTGCPNGCARPYMAELAFVGSAPNTYQLWLGGSPDQTRLARPFIDRLADGDVETQLRPLFVFFKQSRQAGESFGDFCDRVGFDALRQFSESYQHEAAKPRYRVGLRADVHGRLKAEADKRGVSLTDLACEAIAAYLR

Gene
SIR
Protein
Sulfite reductase [ferredoxin], chloroplastic
Organism
Glycine max
Length
573 amino acids
Function
DNA-binding protein that binds to both double-stranded and single-stranded DNA without significant sequence specificity to reversibly repress the transcriptional activity of chloroplast nucleoids by promoting DNA compaction and possibly regulate DNA replication.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
63.822 kDa
Fragment
single
Sequence
MTTSFGPATTSAPLKDHKVQIPSFHGLRSSSASALPRNALSLPSSTRSLSLIRAVSTPAQSETATVKRSKVEIFKEQSNFIRYPLNEDILTDAPNISEAATQLIKFHGSYQQYNREERGSRSYSFMIRTKNPCGKVSNQLYLTMDDLADQFGIGTLRLTTRQTFQLHGVLKKDLKTVMGTIIRNMGSTLGACGDLNRNVLAPAAPLARKDYLFAQQTAENIAALLAPQSGFYYDIWVDGEKILTSEPPEVVQARNDNSHGTNFPDSPEPIYGTQFLPRKFKIAVTVPTDNSVDILTNDIGVVVVTDDDGEPQGFNIYVGGGMGRTHRLETTFPRLAEPIGYVPKEDILYAVKAIVVTQRENGRRDDRKYSRLKYLISSWGIEKFRSVVEQYYGKKFEPFRALPEWEFKSYLGWHEQGDGKLFYGLHVDNGRIGGNMKKTLREVIEKYNLNVRITPNQNIILTDVRAAWKRPITTTLAQAGLLQPRFVDPLNITAMACPAFPLCPLAITEAERGIPNILKRIRDVFDKVGLKYSESVVVRITGCPNGCARPYMAELGLVGDGPNSYQIWLGGTP

Gene
sir
Protein
Sulfite reductase [ferredoxin]
Organism
Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97)
Length
555 amino acids
Function
Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
62.112 kDa
Sequence
MTTARPAKARNEGQWALGHREPLNANEELKKAGNPLDVRERIENIYAKQGFDSIDKTDLRGRFRWWGLYTQREQGYDGTWTGDDNIDKLEAKYFMMRVRCDGGALSAAALRTLGQISTEFARDTADISDRQNVQYHWIEVENVPEIWRRLDDVGLQTTEACGDCPRVVLGSPLAGESLDEVLDPTWAIEEIVRRYIGKPDFADLPRKYKTAISGLQDVAHEINDVAFIGVNHPEHGPGLDLWVGGGLSTNPMLAQRVGAWVPLGEVPEVWAAVTSVFRDYGYRRLRAKARLKFLIKDWGIAKFREVLETEYLKRPLIDGPAPEPVKHPIDHVGVQRLKNGLNAVGVAPIAGRVSGTILTAVADLMARAGSDRIRFTPYQKLVILDIPDALLDDLIAGLDALGLQSRPSHWRRNLMACSGIEFCKLSFAETRVRAQHLVPELERRLEDINSQLDVPITVNINGCPNSCARIQIADIGFKGQMIDDGHGGSVEGFQVHLGGHLGLDAGFGRKLRQHKVTSDELGDYIDRVVRNFVKHRSEGERFAQWVIRAEEDDLR

Gene
sir
Protein
Sulfite reductase [ferredoxin]
Organism
Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Length
555 amino acids
Function
Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
62.112 kDa
Sequence
MTTARPAKARNEGQWALGHREPLNANEELKKAGNPLDVRERIENIYAKQGFDSIDKTDLRGRFRWWGLYTQREQGYDGTWTGDDNIDKLEAKYFMMRVRCDGGALSAAALRTLGQISTEFARDTADISDRQNVQYHWIEVENVPEIWRRLDDVGLQTTEACGDCPRVVLGSPLAGESLDEVLDPTWAIEEIVRRYIGKPDFADLPRKYKTAISGLQDVAHEINDVAFIGVNHPEHGPGLDLWVGGGLSTNPMLAQRVGAWVPLGEVPEVWAAVTSVFRDYGYRRLRAKARLKFLIKDWGIAKFREVLETEYLKRPLIDGPAPEPVKHPIDHVGVQRLKNGLNAVGVAPIAGRVSGTILTAVADLMARAGSDRIRFTPYQKLVILDIPDALLDDLIAGLDALGLQSRPSHWRRNLMACSGIEFCKLSFAETRVRAQHLVPELERRLEDINSQLDVPITVNINGCPNSCARIQIADIGFKGQMIDDGHGGSVEGFQVHLGGHLGLDAGFGRKLRQHKVTSDELGDYIDRVVRNFVKHRSEGERFAQWVIRAEEDDLR

Gene
sir
Protein
Sulfite reductase [ferredoxin]
Organism
Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Length
555 amino acids
Function
Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors.
Similarity
Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.
Mass
62.112 kDa
Sequence
MTTARPAKARNEGQWALGHREPLNANEELKKAGNPLDVRERIENIYAKQGFDSIDKTDLRGRFRWWGLYTQREQGYDGTWTGDDNIDKLEAKYFMMRVRCDGGALSAAALRTLGQISTEFARDTADISDRQNVQYHWIEVENVPEIWRRLDDVGLQTTEACGDCPRVVLGSPLAGESLDEVLDPTWAIEEIVRRYIGKPDFADLPRKYKTAISGLQDVAHEINDVAFIGVNHPEHGPGLDLWVGGGLSTNPMLAQRVGAWVPLGEVPEVWAAVTSVFRDYGYRRLRAKARLKFLIKDWGIAKFREVLETEYLKRPLIDGPAPEPVKHPIDHVGVQRLKNGLNAVGVAPIAGRVSGTILTAVADLMARAGSDRIRFTPYQKLVILDIPDALLDDLIAGLDALGLQSRPSHWRRNLMACSGIEFCKLSFAETRVRAQHLVPELERRLEDINSQLDVPITVNINGCPNSCARIQIADIGFKGQMIDDGHGGSVEGFQVHLGGHLGLDAGFGRKLRQHKVTSDELGDYIDRVVRNFVKHRSEGERFAQWVIRAEEDDLR