Hmdb loader
Identification
HMDB Protein ID HMDBP07559
Secondary Accession Numbers
  • 13267
Name E3 ubiquitin-protein ligase CBL-B
Synonyms
  1. Casitas B-lineage lymphoma proto-oncogene b
  2. RING finger protein 56
  3. SH3-binding protein CBL-B
  4. Signal transduction protein CBL-B
Gene Name CBLB
Protein Type Unknown
Biological Properties
General Function Involved in signal transducer activity
Specific Function E3 ubiquitin-protein ligase which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes, and transfers it to substrates, generally promoting their degradation by the proteasome. Negatively regulates TCR (T-cell receptor), BCR (B- cell receptor) and FCER1 (high affinity immunoglobulin epsilon receptor) signal transduction pathways. In naive T-cells, inhibits VAV1 activation upon TCR engagement and imposes a requirement for CD28 costimulation for proliferation and IL-2 production. Also acts by promoting PIK3R1/p85 ubiquitination, which impairs its recruitment to the TCR and subsequent activation. In activated T- cells, inhibits PLCG1 activation and calcium mobilization upon restimulation and promotes anergy. In B-cells, acts by ubiquitinating SYK and promoting its proteasomal degradation. May also be involved in EGFR ubiquitination and internalization
Pathways Not Available
Reactions Not Available
GO Classification
Component
organelle
membrane-bounded organelle
intracellular membrane-bounded organelle
nucleus
Function
ion binding
cation binding
metal ion binding
binding
transition metal ion binding
zinc ion binding
protein binding
molecular transducer activity
signal transducer activity
calcium ion binding
Process
signaling
signaling pathway
cell surface receptor linked signaling pathway
Cellular Location
  1. Cytoplasm
Gene Properties
Chromosome Location Chromosome:3
Locus 3q13.11
SNPs CBLB
Gene Sequence
>2949 bp
ATGGCAAACTCAATGAATGGCAGAAACCCTGGTGGTCGAGGAGGAAATCCCCGAAAAGGT
CGAATTTTGGGTATTATTGATGCTATTCAGGATGCAGTTGGACCCCCTAAGCAAGCTGCC
GCAGATCGCAGGACCGTGGAGAAGACTTGGAAGCTCATGGACAAAGTGGTAAGACTGTGC
CAAAATCCCAAACTTCAGTTGAAAAATAGCCCACCATATATACTTGATATTTTGCCTGAT
ACATATCAGCATTTACGACTTATATTGAGTAAATATGATGACAACCAGAAACTTGCCCAA
CTCAGTGAGAATGAGTACTTTAAAATCTACATTGATAGCCTTATGAAAAAGTCAAAACGG
GCAATAAGACTCTTTAAAGAAGGCAAGGAGAGAATGTATGAAGAACAGTCACAGGACAGA
CGAAATCTCACAAAACTGTCCCTTATCTTCAGTCACATGCTGGCAGAAATCAAAGCAATC
TTTCCCAATGGTCAATTCCAGGGAGATAACTTTCGTATCACAAAAGCAGATGCTGCTGAA
TTCTGGAGAAAGTTTTTTGGAGACAAAACTATCGTACCATGGAAAGTATTCAGACAGTGC
CTTCATGAGGTCCACCAGATTAGCTCTGGCCTGGAAGCAATGGCTCTAAAATCAACAATT
GATTTAACTTGCAATGATTACATTTCAGTTTTTGAATTTGATATTTTTACCAGGCTGTTT
CAGCCTTGGGGCTCTATTTTGCGGAATTGGAATTTCTTAGCTGTGACACATCCAGGTTAC
ATGGCATTTCTCACATATGATGAAGTTAAAGCACGACTACAGAAATATAGCACCAAACCC
GGAAGCTATATTTTCCGGTTAAGTTGCACTCGATTGGGACAGTGGGCCATTGGCTATGTG
ACTGGGGATGGGAATATCTTACAGACCATACCTCATAACAAGCCCTTATTTCAAGCCCTG
ATTGATGGCAGCAGGGAAGGATTTTATCTTTATCCTGATGGGAGGAGTTATAATCCTGAT
TTAACTGGATTATGTGAACCTACACCTCATGACCATATAAAAGTTACACAGGAACAATAT
GAATTATATTGTGAAATGGGCTCCACTTTTCAGCTCTGTAAGATTTGTGCAGAGAATGAC
AAAGATGTCAAGATTGAGCCTTGTGGGCATTTGATGTGCACCTCTTGCCTTACGGCATGG
CAGGAGTCGGATGGTCAGGGCTGCCCTTTCTGTCGTTGTGAAATAAAAGGAACTGAGCCC
ATAATCGTGGACCCCTTTGATCCAAGAGATGAAGGCTCCAGGTGTTGCAGCATCATTGAC
CCCTTTGGCATGCCGATGCTAGACTTGGACGACGATGATGATCGTGAGGAGTCCTTGATG
ATGAATCGGTTGGCAAACGTCCGAAAGTGCACTGACAGGCAGAACTCACCAGTCACATCA
CCAGGATCCTCTCCCCTTGCCCAGAGAAGAAAGCCACAGCCTGACCCACTCCAGATCCCA
CATCTAAGCCTGCCACCCGTGCCTCCTCGCCTGGATCTAATTCAGAAAGGCATAGTTAGA
TCTCCCTGTGGCAGCCCAACGGGTTCACCAAAGTCTTCTCCTTGCATGGTGAGAAAACAA
GATAAACCACTCCCAGCACCACCTCCTCCCTTAAGAGATCCTCCTCCACCGCCACCTGAA
AGACCTCCACCAATCCCACCAGACAATAGACTGAGTAGACACATCCATCATGTGGAAAGC
GTGCCTTCCAGAGACCCGCCAATGCCTCTTGAAGCATGGTGCCCTCGGGATGTGTTTGGG
ACTAATCAGCTTGTGGGATGTCGACTCCTAGGGGAGGGCTCTCCAAAACCTGGAATCACA
GCGAGTTCAAATGTCAATGGAAGGCACAGTAGAGTGGGCTCTGACCCAGTGCTTATGCGG
AAACACAGACGCCATGATTTGCCTTTAGAAGGAGCTAAGGTCTTTTCCAATGGTCACCTT
GGAAGTGAAGAATATGATGTTCCTCCCCGGCTTTCTCCTCCTCCTCCAGTTACCACCCTC
CTCCCTAGCATAAAGTGTACTGGTCCGTTAGCAAATTCTCTTTCAGAGAAAACAAGAGAC
CCAGTAGAGGAAGATGATGATGAATACAAGATTCCTTCATCCCACCCTGTTTCCCTGAAT
TCACAACCATCTCATTGTCATAATGTAAAACCTCCTGTTCGGTCTTGTGATAATGGTCAC
TGTATGCTGAATGGAACACATGGTCCATCTTCAGAGAAGAAATCAAACATCCCTGACTTA
AGCATATATTTAAAGGGAGATGTTTTTGATTCAGCCTCTGATCCCGTGCCATTACCACCT
GCCAGGCCTCCAACTCGGGACAATCCAAAGCATGGTTCTTCACTCAACAGGACGCCCTCT
GATTATGATCTTCTCATCCCTCCATTAGGTGAAGATGCTTTTGATGCCCTCCCTCCATCT
CTCCCACCTCCCCCACCTCCTGCAAGGCATAGTCTCATTGAACATTCAAAACCTCCTGGC
TCCAGTAGCCGGCCATCCTCAGGACAGGATCTTTTTCTTCTTCCTTCAGATCCCTTTGTT
GATCTAGCAAGTGGCCAAGTTCCTTTGCCTCCTGCTAGAAGGTTACCAGGTGAAAATGTC
AAAACTAACAGAACATCACAGGACTATGATCAGCTTCCTTCATGTTCAGATGGTTCACAG
GCACCAGCCAGACCCCCTAAACCACGACCGCGCAGGACTGCACCAGAAATTCACCACAGA
AAACCCCATGGGCCTGAGGCGGCATTGGAAAATGTCGATGCAAAAATTGCAAAACTCATG
GGAGAGGGTTATGCCTTTGAAGAGGTGAAGAGAGCCTTAGAGATAGCCCAGAATAATGTC
GAAGTTGCCCGGAGCATCCTCCGAGAATTTGCCTTCCCTCCTCCAGTATCCCCACGTCTA
AATCTATAG
Protein Properties
Number of Residues 982
Molecular Weight 109448.6
Theoretical pI 7.94
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>E3 ubiquitin-protein ligase CBL-B
MANSMNGRNPGGRGGNPRKGRILGIIDAIQDAVGPPKQAAADRRTVEKTWKLMDKVVRLC
QNPKLQLKNSPPYILDILPDTYQHLRLILSKYDDNQKLAQLSENEYFKIYIDSLMKKSKR
AIRLFKEGKERMYEEQSQDRRNLTKLSLIFSHMLAEIKAIFPNGQFQGDNFRITKADAAE
FWRKFFGDKTIVPWKVFRQCLHEVHQISSGLEAMALKSTIDLTCNDYISVFEFDIFTRLF
QPWGSILRNWNFLAVTHPGYMAFLTYDEVKARLQKYSTKPGSYIFRLSCTRLGQWAIGYV
TGDGNILQTIPHNKPLFQALIDGSREGFYLYPDGRSYNPDLTGLCEPTPHDHIKVTQEQY
ELYCEMGSTFQLCKICAENDKDVKIEPCGHLMCTSCLTAWQESDGQGCPFCRCEIKGTEP
IIVDPFDPRDEGSRCCSIIDPFGMPMLDLDDDDDREESLMMNRLANVRKCTDRQNSPVTS
PGSSPLAQRRKPQPDPLQIPHLSLPPVPPRLDLIQKGIVRSPCGSPTGSPKSSPCMVRKQ
DKPLPAPPPPLRDPPPPPPERPPPIPPDNRLSRHIHHVESVPSRDPPMPLEAWCPRDVFG
TNQLVGCRLLGEGSPKPGITASSNVNGRHSRVGSDPVLMRKHRRHDLPLEGAKVFSNGHL
GSEEYDVPPRLSPPPPVTTLLPSIKCTGPLANSLSEKTRDPVEEDDDEYKIPSSHPVSLN
SQPSHCHNVKPPVRSCDNGHCMLNGTHGPSSEKKSNIPDLSIYLKGDVFDSASDPVPLPP
ARPPTRDNPKHGSSLNRTPSDYDLLIPPLGEDAFDALPPSLPPPPPPARHSLIEHSKPPG
SSSRPSSGQDLFLLPSDPFVDLASGQVPLPPARRLPGENVKTNRTSQDYDQLPSCSDGSQ
APARPPKPRPRRTAPEIHHRKPHGPEAALENVDAKIAKLMGEGYAFEEVKRALEIAQNNV
EVARSILREFAFPPPVSPRLNL
GenBank ID Protein 54112420
UniProtKB/Swiss-Prot ID Q13191
UniProtKB/Swiss-Prot Entry Name CBLB_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_170662.3
GeneCard ID CBLB
GenAtlas ID CBLB
HGNC ID HGNC:1542
References
General References
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