Showing Protein V(D)J recombination-activating protein 1 (HMDBP08804)
Identification | |||||||||||||
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HMDB Protein ID | HMDBP08804 | ||||||||||||
Secondary Accession Numbers |
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Name | V(D)J recombination-activating protein 1 | ||||||||||||
Synonyms |
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Gene Name | RAG1 | ||||||||||||
Protein Type | Unknown | ||||||||||||
Biological Properties | |||||||||||||
General Function | Involved in zinc ion binding | ||||||||||||
Specific Function | Catalytic component of the RAG complex, a multiprotein complex that mediates the DNA cleavage phase during V(D)J recombination. V(D)J recombination assembles a diverse repertoire of immunoglobulin and T-cell receptor genes in developing B and T lymphocytes through rearrangement of different V (variable), in some cases D (diversity), and J (joining) gene segments. In the RAG complex, RAG1 mediates the DNA-binding to the conserved recombination signal sequences (RSS) and catalyzes the DNA cleavage activities by introducing a double-strand break between the RSS and the adjacent coding segment. RAG2 is not a catalytic component but is required for all known catalytic activities. DNA cleavage occurs in 2 steps:a first nick is introduced in the top strand immediately upstream of the heptamer, generating a 3'- hydroxyl group that can attack the phosphodiester bond on the opposite strand in a direct transesterification reaction, thereby creating 4 DNA ends:2 hairpin coding ends and 2 blunt, 5'- phosphorylated ends. The chromatin structure plays an essential role in the V(D)J recombination reactions and the presence of histone H3 trimethylated at 'Lys-4' (H3K4me3) stimulates both the nicking and haipinning steps. The RAG complex also plays a role in pre-B cell allelic exclusion, a process leading to expression of a single immunoglobulin heavy chain allele to enforce clonality and monospecific recognition by the B-cell antigen receptor (BCR) expressed on individual B lymphocytes. The introduction of DNA breaks by the RAG complex on one immunoglobulin allele induces ATM-dependent repositioning of the other allele to pericentromeric heterochromatin, preventing accessibility to the RAG complex and recombination of the second allele. In addition to its endonuclease activity, RAG1 also acts as a E3 ubiquitin-protein ligase that mediates monoubiquitination of histone H3. Histone H3 monoubiquitination is required for the joining step of V(D)J recombination. Mediates polyubiquitination of KPNA1 | ||||||||||||
Pathways | Not Available | ||||||||||||
Reactions | Not Available | ||||||||||||
GO Classification |
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Cellular Location |
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Gene Properties | |||||||||||||
Chromosome Location | Chromosome:1 | ||||||||||||
Locus | 11p13 | ||||||||||||
SNPs | RAG1 | ||||||||||||
Gene Sequence |
>3132 bp ATGGCAGCCTCTTTCCCACCCACCTTGGGACTCAGTTCTGCCCCAGATGAAATTCAGCAC CCACATATTAAATTTTCAGAATGGAAATTTAAGCTGTTCCGGGTGAGATCCTTTGAAAAG ACACCTGAAGAAGCTCAAAAGGAAAAGAAGGATTCCTTTGAGGGGAAACCCTCTCTGGAG CAATCTCCAGCAGTCCTGGACAAGGCTGATGGTCAGAAGCCAGTCCCAACTCAGCCATTG TTAAAAGCCCACCCTAAGTTTTCAAAGAAATTTCACGACAACGAGAAAGCAAGAGGCAAA GCGATCCATCAAGCCAACCTTCGACATCTCTGCCGCATCTGTGGGAATTCTTTTAGAGCT GATGAGCACAACAGGAGATATCCAGTCCATGGTCCTGTGGATGGTAAAACCCTAGGCCTT TTACGAAAGAAGGAAAAGAGAGCTACTTCCTGGCCGGACCTCATTGCCAAGGTTTTCCGG ATCGATGTGAAGGCAGATGTTGACTCGATCCACCCCACTGAGTTCTGCCATAACTGCTGG AGCATCATGCACAGGAAGTTTAGCAGTGCCCCATGTGAGGTTTACTTCCCGAGGAACGTG ACCATGGAGTGGCACCCCCACACACCATCCTGTGACATCTGCAACACTGCCCGTCGGGGA CTCAAGAGGAAGAGTCTTCAGCCAAACTTGCAGCTCAGCAAAAAACTCAAAACTGTGCTT GACCAAGCAAGACAAGCCCGTCAGCGCAAGAGAAGAGCTCAGGCAAGGATCAGCAGCAAG GATGTCATGAAGAAGATCGCCAACTGCAGTAAGATACATCTTAGTACCAAGCTCCTTGCA GTGGACTTCCCAGAGCACTTTGTGAAATCCATCTCCTGCCAGATCTGTGAACACATTCTG GCTGACCCTGTGGAGACCAACTGTAAGCATGTCTTTTGCCGGGTCTGCATTCTCAGATGC CTCAAAGTCATGGGCAGCTATTGTCCCTCTTGCCGATATCCATGCTTCCCTACTGACCTG GAGAGTCCAGTGAAGTCCTTTCTGAGCGTCTTGAATTCCCTGATGGTGAAATGTCCAGCA AAAGAGTGCAATGAGGAGGTCAGTTTGGAAAAATATAATCACCACATCTCAAGTCACAAG GAATCAAAAGAGATTTTTGTGCACATTAATAAAGGGGGCCGGCCCCGCCAACATCTTCTG TCGCTGACTCGGAGAGCTCAGAAGCACCGGCTGAGGGAGCTCAAGCTGCAAGTCAAAGCC TTTGCTGACAAAGAAGAAGGTGGAGATGTGAAGTCCGTGTGCATGACCTTGTTCCTGCTG GCTCTGAGGGCGAGGAATGAGCACAGGCAAGCTGATGAGCTGGAGGCCATCATGCAGGGA AAGGGCTCTGGCCTGCAGCCAGCTGTTTGCTTGGCCATCCGTGTCAACACCTTCCTCAGC TGCAGTCAGTACCACAAGATGTACAGGACTGTGAAAGCCATCACAGGGAGACAGATTTTT CAGCCTTTGCATGCCCTTCGGAATGCTGAGAAGGTACTTCTGCCAGGCTACCACCACTTT GAGTGGCAGCCACCTCTGAAGAATGTGTCTTCCAGCACTGATGTTGGCATTATTGATGGG CTGTCTGGACTATCATCCTCTGTGGATGATTACCCAGTGGACACCATTGCAAAGAGGTTC CGCTATGATTCAGCTTTGGTGTCTGCTTTGATGGACATGGAAGAAGACATCTTGGAAGGC ATGAGATCCCAAGACCTTGATGATTACCTGAATGGCCCCTTCACTGTGGTGGTGAAGGAG TCTTGTGATGGAATGGGAGACGTGAGTGAGAAGCATGGGAGTGGGCCTGTAGTTCCAGAA AAGGCAGTCCGTTTTTCATTCACAATCATGAAAATTACTATTGCCCACAGCTCTCAGAAT GTGAAAGTATTTGAAGAAGCCAAACCTAACTCTGAACTGTGTTGCAAGCCATTGTGCCTT ATGCTGGCAGATGAGTCTGACCACGAGACGCTGACTGCCATCCTGAGTCCTCTCATTGCT GAGAGGGAGGCCATGAAGAGCAGTGAATTAATGCTTGAGCTGGGAGGCATTCTCCGGACT TTCAAGTTCATCTTCAGGGGCACCGGCTATGATGAAAAACTTGTGCGGGAAGTGGAAGGC CTCGAGGCTTCTGGCTCAGTCTACATTTGTACTCTTTGTGATGCCACCCGTCTGGAAGCC TCTCAAAATCTTGTCTTCCACTCTATAACCAGAAGCCATGCTGAGAACCTGGAACGTTAT GAGGTCTGGCGTTCCAACCCTTACCATGAGTCTGTGGAAGAACTGCGGGATCGGGTGAAA GGGGTCTCAGCTAAACCTTTCATTGAGACAGTCCCTTCCATAGATGCACTCCACTGTGAC ATTGGCAATGCAGCTGAGTTCTACAAGATCTTCCAGCTAGAGATAGGGGAAGTGTATAAG AATCCCAATGCTTCCAAAGAGGAAAGGAAAAGGTGGCAGGCCACACTGGACAAGCATCTC CGGAAGAAGATGAACCTCAAACCAATCATGAGGATGAATGGCAACTTTGCCAGGAAGCTC ATGACCAAAGAGACTGTGGATGCAGTTTGTGAGTTAATTCCTTCCGAGGAGAGGCACGAG GCTCTGAGGGAGCTGATGGATCTTTACCTGAAGATGAAACCAGTATGGCGATCATCATGC CCTGCTAAAGAGTGCCCAGAATCCCTCTGCCAGTACAGTTTCAATTCACAGCGTTTTGCT GAGCTCCTTTCTACGAAGTTCAAGTATAGGTATGAGGGAAAAATCACCAATTATTTTCAC AAAACCCTGGCCCATGTTCCTGAAATTATTGAGAGGGATGGCTCCATTGGGGCATGGGCA AGTGAGGGAAATGAGTCTGGTAACAAACTGTTTAGGCGCTTCCGGAAAATGAATGCCAGG CAGTCCAAATGCTATGAGATGGAAGATGTCCTGAAACACCACTGGTTGTACACCTCCAAA TACCTCCAGAAGTTTATGAATGCTCATAATGCATTAAAAACCTCTGGGTTTACCATGAAC CCTCAGGCAAGCTTAGGGGACCCATTAGGCATAGAGGACTCTCTGGAAAGCCAAGATTCA ATGGAATTTTAA |
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Protein Properties | |||||||||||||
Number of Residues | 1043 | ||||||||||||
Molecular Weight | 119115.0 | ||||||||||||
Theoretical pI | 8.88 | ||||||||||||
Pfam Domain Function |
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Signals |
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Transmembrane Regions |
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Protein Sequence |
>V(D)J recombination-activating protein 1 MAASFPPTLGLSSAPDEIQHPHIKFSEWKFKLFRVRSFEKTPEEAQKEKKDSFEGKPSLE QSPAVLDKADGQKPVPTQPLLKAHPKFSKKFHDNEKARGKAIHQANLRHLCRICGNSFRA DEHNRRYPVHGPVDGKTLGLLRKKEKRATSWPDLIAKVFRIDVKADVDSIHPTEFCHNCW SIMHRKFSSAPCEVYFPRNVTMEWHPHTPSCDICNTARRGLKRKSLQPNLQLSKKLKTVL DQARQARQRKRRAQARISSKDVMKKIANCSKIHLSTKLLAVDFPEHFVKSISCQICEHIL ADPVETNCKHVFCRVCILRCLKVMGSYCPSCRYPCFPTDLESPVKSFLSVLNSLMVKCPA KECNEEVSLEKYNHHISSHKESKEIFVHINKGGRPRQHLLSLTRRAQKHRLRELKLQVKA FADKEEGGDVKSVCMTLFLLALRARNEHRQADELEAIMQGKGSGLQPAVCLAIRVNTFLS CSQYHKMYRTVKAITGRQIFQPLHALRNAEKVLLPGYHHFEWQPPLKNVSSSTDVGIIDG LSGLSSSVDDYPVDTIAKRFRYDSALVSALMDMEEDILEGMRSQDLDDYLNGPFTVVVKE SCDGMGDVSEKHGSGPVVPEKAVRFSFTIMKITIAHSSQNVKVFEEAKPNSELCCKPLCL MLADESDHETLTAILSPLIAEREAMKSSELMLELGGILRTFKFIFRGTGYDEKLVREVEG LEASGSVYICTLCDATRLEASQNLVFHSITRSHAENLERYEVWRSNPYHESVEELRDRVK GVSAKPFIETVPSIDALHCDIGNAAEFYKIFQLEIGEVYKNPNASKEERKRWQATLDKHL RKKMNLKPIMRMNGNFARKLMTKETVDAVCELIPSEERHEALRELMDLYLKMKPVWRSSC PAKECPESLCQYSFNSQRFAELLSTKFKYRYEGKITNYFHKTLAHVPEIIERDGSIGAWA SEGNESGNKLFRRFRKMNARQSKCYEMEDVLKHHWLYTSKYLQKFMNAHNALKTSGFTMN PQASLGDPLGIEDSLESQDSMEF |
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External Links | |||||||||||||
GenBank ID Protein | 190843 | ||||||||||||
UniProtKB/Swiss-Prot ID | P15918 | ||||||||||||
UniProtKB/Swiss-Prot Entry Name | RAG1_HUMAN | ||||||||||||
PDB IDs | |||||||||||||
GenBank Gene ID | M29474 | ||||||||||||
GeneCard ID | RAG1 | ||||||||||||
GenAtlas ID | RAG1 | ||||||||||||
HGNC ID | HGNC:9831 | ||||||||||||
References | |||||||||||||
General References |
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