Splicing factor 3B subunit 3

Name	Splicing factor 3B subunit 3
Synonyms	KIAA0017 Pre-mRNA-splicing factor SF3b 130 kDa subunit SAP 130 SAP130 SF3b130 Spliceosome-associated protein 130 STAF130
Gene Name	SF3B3
Organism	Human
Amino acid sequence	>lcl\|BSEQ0049753\|Splicing factor 3B subunit 3 MFLYNLTLQRATGISFAIHGNFSGTKQQEIVVSRGKILELLRPDPNTGKVHTLLTVEVFG VIRSLMAFRLTGGTKDYIVVGSDSGRIVILEYQPSKNMFEKIHQETFGKSGCRRIVPGQF LAVDPKGRAVMISAIEKQKLVYILNRDAAARLTISSPLEAHKANTLVYHVVGVDVGFENP MFACLEMDYEEADNDPTGEAAANTQQTLTFYELDLGLNHVVRKYSEPLEEHGNFLITVPG GSDGPSGVLICSENYITYKNFGDQPDIRCPIPRRRNDLDDPERGMIFVCSATHKTKSMFF FLAQTEQGDIFKITLETDEDMVTEIRLKYFDTVPVAAAMCVLKTGFLFVASEFGNHYLYQ IAHLGDDDEEPEFSSAMPLEEGDTFFFQPRPLKNLVLVDELDSLSPILFCQIADLANEDT PQLYVACGRGPRSSLRVLRHGLEVSEMAVSELPGNPNAVWTVRRHIEDEFDAYIIVSFVN ATLVLSIGETVEEVTDSGFLGTTPTLSCSLLGDDALVQVYPDGIRHIRADKRVNEWKTPG KKTIVKCAVNQRQVVIALTGGELVYFEMDPSGQLNEYTERKEMSADVVCMSLANVPPGEQ RSRFLAVGLVDNTVRIISLDPSDCLQPLSMQALPAQPESLCIVEMGGTEKQDELGERGSI GFLYLNIGLQNGVLLRTVLDPVTGDLSDTRTRYLGSRPVKLFRVRMQGQEAVLAMSSRSW LSYSYQSRFHLTPLSYETLEFASGFASEQCPEGIVAISTNTLRILALEKLGAVFNQVAFP LQYTPRKFVIHPESNNLIIIETDHNAYTEATKAQRKQQMAEEMVEAAGEDERELAAEMAA AFLNENLPESIFGAPKAGNGQWASVIRVMNPIQGNTLDLVQLEQNEAAFSVAVCRFSNTG EDWYVLVGVAKDLILNPRSVAGGFVYTYKLVNNGEKLEFLHKTPVEEVPAAIAPFQGRVL IGVGKLLRVYDLGKKKLLRKCENKHIANYISGIQTIGHRVIVSDVQESFIWVRYKRNENQ LIIFADDTYPRWVTTASLLDYDTVAGADKFGNICVVRLPPNTNDEVDEDPTGNKALWDRG LLNGASQKAEVIMNYHVGETVLSLQKTTLIPGGSESLVYTTLSGGIGILVPFTSHEDHDF FQHVEMHLRSEHPPLCGRDHLSFRSYYFPVKNVIDGDLCEQFNSMEPNKQKNVSEELDRT PPEVSKKLEDIRTRYAF
Number of residues	None
Molecular Weight	135576.25
Theoretical pI	None
GO Classification	Functions RNA binding protein complex binding Processes mRNA processing RNA splicing, via transesterification reactions protein complex assembly negative regulation of protein catabolic process mRNA splicing, via spliceosome RNA splicing Components U12-type spliceosomal complex nucleus catalytic step 2 spliceosome small nuclear ribonucleoprotein complex nucleolus nucleoplasm spliceosomal complex
General Function	Subunit of the splicing factor SF3B required for 'A' complex assembly formed by the stable binding of U2 snRNP to the branchpoint sequence (BPS) in pre-mRNA. Sequence independent binding of SF3A/SF3B complex upstream of the branch site is essential, it may anchor U2 snRNP to the pre-mRNA. May also be involved in the assembly of the 'E' complex. Belongs also to the minor U12-dependent spliceosome, which is involved in the splicing of rare class of nuclear pre-mRNA intron.
Specific Function	Protein complex binding
Transmembrane Regions
GenBank Protein ID
UniProtKB ID	Q15393
UniProtKB Entry Name
Cellular Location	Nucleus
Gene sequence	>lcl\|BSEQ0049754\|Splicing factor 3B subunit 3 (SF3B3) ATGTTTCTGTACAACTTAACCTTGCAGAGAGCCACTGGCATCAGCTTTGCCATTCATGGA AACTTTTCTGGAACCAAACAACAAGAAATTGTTGTTTCCCGTGGGAAGATCTTGGAGCTG CTTCGCCCAGACCCCAACACTGGCAAAGTACATACCCTACTCACTGTGGAAGTATTCGGT GTTATCCGGTCACTCATGGCCTTTAGGCTGACAGGTGGCACCAAAGACTACATTGTAGTT GGCAGTGACTCTGGTCGAATTGTTATTTTGGAATACCAGCCATCTAAGAATATGTTTGAG AAGATTCACCAAGAAACCTTTGGCAAGAGTGGATGCCGTCGCATCGTTCCTGGCCAGTTC TTAGCTGTGGATCCCAAAGGGCGAGCCGTTATGATTAGTGCCATTGAGAAACAGAAATTG GTGTATATTTTGAACAGAGATGCTGCAGCCCGACTTACCATTTCATCTCCCCTGGAAGCC CACAAAGCAAACACTTTAGTGTATCATGTAGTTGGAGTAGATGTCGGATTTGAAAATCCA ATGTTTGCTTGTCTGGAAATGGATTATGAGGAAGCAGACAATGATCCAACAGGGGAAGCA GCAGCTAATACCCAGCAGACACTTACTTTCTATGAGCTAGACCTTGGTTTAAATCATGTG GTCCGAAAATACAGTGAACCTTTGGAGGAACACGGCAACTTCCTTATTACAGTTCCAGGA GGGTCAGATGGTCCAAGTGGAGTACTGATCTGCTCTGAAAACTATATTACTTACAAGAAC TTTGGTGACCAGCCAGATATCCGCTGTCCAATTCCCAGGAGGCGGAATGACCTGGATGAC CCTGAAAGAGGAATGATTTTTGTCTGCTCTGCAACCCATAAAACCAAATCGATGTTCTTC TTTTTGGCTCAAACTGAGCAGGGAGATATCTTTAAGATCACTTTGGAGACAGATGAAGAT ATGGTTACTGAGATCCGGCTCAAATATTTTGATACTGTACCCGTTGCTGCTGCCATGTGT GTGCTTAAAACAGGGTTCCTTTTTGTAGCATCAGAATTTGGAAACCATTACTTATATCAA ATTGCACATCTTGGAGATGATGATGAAGAACCTGAGTTTTCATCAGCCATGCCTCTGGAA GAAGGAGACACATTCTTTTTTCAGCCAAGACCACTTAAAAACCTTGTGCTGGTTGATGAG TTGGACAGCCTCTCTCCCATTCTGTTTTGCCAGATAGCTGATCTGGCCAATGAAGATACT CCACAGTTGTATGTGGCCTGTGGTAGGGGACCCCGATCATCTCTGAGAGTCCTAAGACAT GGACTTGAGGTGTCAGAAATGGCTGTTTCTGAGCTACCTGGTAACCCCAACGCTGTCTGG ACAGTGCGTCGACACATTGAAGATGAGTTTGATGCCTACATCATTGTGTCTTTCGTGAAT GCCACCCTAGTGTTGTCCATTGGAGAAACTGTAGAAGAAGTGACTGACTCTGGGTTCCTG GGGACCACCCCGACCTTGTCCTGCTCCTTATTAGGAGATGATGCCTTGGTGCAGGTCTAT CCAGATGGCATTCGGCACATACGAGCAGACAAGAGAGTCAATGAGTGGAAGACCCCTGGA AAGAAAACAATTGTGAAGTGTGCAGTGAACCAGCGACAAGTGGTGATTGCCCTGACAGGA GGAGAGCTGGTCTATTTCGAGATGGATCCTTCAGGACAGCTGAATGAGTACACAGAACGG AAGGAGATGTCAGCAGATGTGGTGTGCATGAGTCTGGCCAATGTACCCCCTGGAGAGCAG CGGTCTCGCTTCCTGGCTGTGGGGCTTGTGGACAACACTGTCAGAATCATCTCCCTGGAT CCCTCAGACTGTTTGCAACCTCTAAGCATGCAGGCTCTCCCAGCCCAGCCTGAGTCCTTG TGTATCGTGGAAATGGGTGGGACTGAGAAGCAGGATGAGCTGGGTGAGAGGGGCTCGATT GGCTTCCTATACCTGAATATTGGGCTACAGAACGGTGTGCTGCTGAGGACTGTCTTGGAC CCTGTCACTGGGGATTTGTCTGATACTCGCACTCGGTACCTGGGGTCCCGTCCTGTGAAG CTCTTCCGAGTCCGAATGCAAGGCCAGGAGGCAGTATTGGCCATGTCAAGCCGCTCATGG TTGAGCTATTCTTACCAATCTCGCTTCCATCTCACCCCACTGTCTTACGAGACACTGGAA TTTGCATCGGGTTTTGCCTCGGAACAGTGTCCCGAGGGCATTGTGGCCATCTCCACCAAC ACCCTACGGATTTTGGCATTAGAGAAGCTCGGTGCTGTCTTCAATCAAGTAGCCTTCCCA CTGCAGTACACACCCAGGAAATTTGTCATCCACCCTGAGAGTAACAACCTTATTATCATT GAAACGGACCACAATGCCTACACTGAGGCCACGAAAGCTCAGAGAAAGCAGCAGATGGCA GAGGAAATGGTGGAAGCAGCAGGGGAGGATGAGCGGGAGCTGGCCGCAGAGATGGCAGCA GCATTCCTCAATGAAAACCTCCCTGAATCCATCTTTGGAGCTCCCAAGGCTGGCAATGGG CAGTGGGCCTCTGTGATCCGAGTGATGAATCCCATTCAAGGGAACACACTGGACCTTGTC CAGCTGGAACAGAATGAGGCAGCTTTTAGTGTGGCTGTGTGCAGGTTTTCCAACACTGGT GAAGACTGGTATGTGCTGGTGGGTGTGGCCAAGGACCTGATACTAAACCCCCGATCTGTG GCAGGGGGCTTCGTCTATACTTACAAGCTTGTGAACAATGGGGAAAAACTGGAGTTTTTG CACAAGACTCCTGTGGAAGAGGTCCCTGCTGCTATTGCCCCATTCCAGGGGAGGGTGTTG ATTGGTGTGGGGAAGCTGTTGCGTGTCTATGACCTGGGAAAGAAGAAGTTACTCCGAAAA TGTGAGAATAAGCATATTGCCAATTATATCTCTGGGATCCAGACTATCGGACATAGGGTA ATTGTATCTGATGTCCAAGAAAGTTTCATCTGGGTTCGCTACAAGCGTAATGAAAACCAG CTTATCATCTTTGCTGATGATACCTACCCCCGATGGGTCACTACAGCCAGCCTCCTGGAC TATGACACTGTGGCTGGGGCAGACAAGTTTGGCAACATATGTGTGGTGAGGCTCCCACCT AACACCAATGATGAAGTAGATGAGGATCCTACAGGAAACAAAGCCCTGTGGGACCGTGGC TTGCTCAATGGGGCCTCCCAGAAGGCAGAGGTGATCATGAACTACCATGTCGGGGAGACG GTGCTGTCCTTGCAGAAGACCACGCTGATCCCTGGAGGCTCAGAATCACTTGTCTATACC ACCTTGTCTGGAGGAATTGGCATCCTTGTGCCATTCACGTCCCATGAGGACCATGACTTC TTCCAGCATGTGGAAATGCACCTGCGGTCTGAACATCCCCCTCTCTGTGGGCGGGACCAC CTCAGCTTTCGCTCCTACTACTTCCCTGTGAAGAATGTGATTGATGGAGACCTCTGTGAG CAGTTCAATTCCATGGAACCCAACAAACAAAAGAACGTCTCTGAAGAACTGGACCGAACC CCACCCGAAGTGTCCAAGAAACTCGAGGATATCCGGACCCGCTACGCCTTCTGA
GenBank Gene ID
GeneCard ID	None
GenAtlas ID
HGNC ID
Chromosome Location	16
Locus	16q22.1
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