Hmdb loader
Identification
HMDB Protein ID HMDBP07779
Secondary Accession Numbers
  • 13488
Name Leukocyte immunoglobulin-like receptor subfamily B member 1
Synonyms
  1. CD85 antigen-like family member J
  2. CD85j antigen
  3. ILT-2
  4. Immunoglobulin-like transcript 2
  5. LIR-1
  6. Leukocyte immunoglobulin-like receptor 1
  7. MIR-7
  8. Monocyte/macrophage immunoglobulin-like receptor 7
Gene Name LILRB1
Protein Type Unknown
Biological Properties
General Function Involved in protein phosphatase 1 binding
Specific Function Receptor for class I MHC antigens. Recognizes a broad spectrum of HLA-A, HLA-B, HLA-C and HLA-G alleles. Receptor for H301/UL18, a human cytomegalovirus class I MHC homolog. Ligand binding results in inhibitory signals and down-regulation of the immune response. Engagement of LILRB1 present on natural killer cells or T-cells by class I MHC molecules protects the target cells from lysis. Interaction with HLA-B or HLA-E leads to inhibition of the signal triggered by FCER1A and inhibits serotonin release. Inhibits FCGR1A-mediated phosphorylation of cellular proteins and mobilization of intracellular calcium ions
Pathways Not Available
Reactions Not Available
GO Classification Not Available
Cellular Location
  1. Membrane
  2. Single-pass type I membrane protein
Gene Properties
Chromosome Location Chromosome:1
Locus 19q13.4
SNPs LILRB1
Gene Sequence
>1953 bp
ATGACCCCCATCCTCACGGTCCTGATCTGTCTCGGGCTGAGTCTGGGCCCCAGGACCCAC
GTGCAGGCAGGGCACCTCCCCAAGCCCACCCTCTGGGCTGAACCAGGCTCTGTGATCACC
CAGGGGAGTCCTGTGACCCTCAGGTGTCAGGGGGGCCAGGAGACCCAGGAGTACCGTCTA
TATAGAGAAAAGAAAACAGCACTCTGGATTACACGGATCCCACAGGAGCTTGTGAAGAAG
GGCCAGTTCCCCATCCCATCCATCACCTGGGAACATGCAGGGCGGTATCGCTGTTACTAT
GGTAGCGACACTGCAGGCCGCTCAGAGAGCAGTGACCCCCTGGAGCTGGTGGTGACAGGA
GCCTACATCAAACCCACCCTCTCAGCCCAGCCCAGCCCCGTGGTGAACTCAGGAGGGAAT
GTAATCCTCCAGTGTGACTCACAGGTGGCATTTGATGGCTTCAGTCTGTGTAAGGAAGGA
GAAGATGAACACCCACAATGCCTGAACTCCCAGCCCCATGCCCGTGGGTCGTCCCGCGCC
ATCTTCTCCGTGGGCCCCGTGAGCCCGAGTCGCAGGTGGTGGTACAGGTGCTATGCTTAT
GACTCGAACTCTCCCTATGAGTGGTCTCTACCCAGTGATCTCCTGGAGCTCCTGGTCCTA
GGTGTTTCTAAGAAGCCATCACTCTCAGTGCAGCCAGGTCCTATCGTGGCCCCTGAGGAG
ACCCTGACTCTGCAGTGTGGCTCTGATGCTGGCTACAACAGATTTGTTCTGTATAAGGAC
GGGGAACGTGACTTCCTTCAGCTCGCTGGCGCACAGCCCCAGGCTGGGCTCTCCCAGGCC
AACTTCACCCTGGGCCCTGTGAGCCGCTCCTACGGGGGCCAGTACAGATGCTACGGTGCA
CACAACCTCTCCTCCGAGTGGTCGGCCCCCAGCGACCCCCTGGACATCCTGATCGCAGGA
CAGTTCTATGACAGAGTCTCCCTCTCGGTGCAGCCGGGCCCCACGGTGGCCTCAGGAGAG
AACGTGACCCTGCTGTGTCAGTCACAGGGATGGATGCAAACTTTCCTTCTGACCAAGGAG
GGGGCAGCTGATGACCCATGGCGTCTAAGATCAACGTACCAATCTCAAAAATACCAGGCT
GAATTCCCCATGGGTCCTGTGACCTCAGCCCATGCGGGGACCTACAGGTGCTACGGCTCA
CAGAGCTCCAAACCCTACCTGCTGACTCACCCCAGTGACCCCCTGGAGCTCGTGGTCTCA
GGACCGTCTGGGGGCCCCAGCTCCCCGACAACAGGCCCCACCTCCACATCTGGCCCTGAG
GACCAGCCCCTCACCCCCACCGGGTCGGATCCCCAGAGTGGTCTGGGAAGGCACCTGGGG
GTTGTGATCGGCATCTTGGTGGCCGTCATCCTACTGCTCCTCCTCCTCCTCCTCCTCTTC
CTCATCCTCCGACATCGACGTCAGGGCAAACACTGGACATCGACCCAGAGAAAGGCTGAT
TTCCAACATCCTGCAGGGGCTGTGGGGCCAGAGCCCACAGACAGAGGCCTGCAGTGGAGG
TCCAGCCCAGCTGCCGATGCCCAGGAAGAAAACCTCTATGCTGCCGTGAAGCACACACAG
CCTGAGGATGGGGTGGAGATGGACACTCGGAGCCCACACGATGAAGACCCCCAGGCAGTG
ACGTATGCCGAGGTGAAACACTCCAGACCTAGGAGAGAAATGGCCTCTCCTCCTTCCCCA
CTGTCTGGGGAATTCCTGGACACAAAGGACAGACAGGCGGAAGAGGACAGGCAGATGGAC
ACTGAGGCTGCTGCATCTGAAGCCCCCCAGGATGTGACCTACGCCCAGCTGCACAGCTTG
ACCCTCAGACGGGAGGCAACTGAGCCTCCTCCATCCCAGGAAGGGCCCTCTCCAGCTGTG
CCCAGCATCTACGCCACTCTGGCCATCCACTAG
Protein Properties
Number of Residues 650
Molecular Weight 70818.8
Theoretical pI 5.95
Pfam Domain Function Not Available
Signals
  • 1-23
Transmembrane Regions
  • 462-482
Protein Sequence
>Leukocyte immunoglobulin-like receptor subfamily B member 1
MTPILTVLICLGLSLGPRTHVQAGHLPKPTLWAEPGSVITQGSPVTLRCQGGQETQEYRL
YREKKTALWITRIPQELVKKGQFPIPSITWEHAGRYRCYYGSDTAGRSESSDPLELVVTG
AYIKPTLSAQPSPVVNSGGNVILQCDSQVAFDGFSLCKEGEDEHPQCLNSQPHARGSSRA
IFSVGPVSPSRRWWYRCYAYDSNSPYEWSLPSDLLELLVLGVSKKPSLSVQPGPIVAPEE
TLTLQCGSDAGYNRFVLYKDGERDFLQLAGAQPQAGLSQANFTLGPVSRSYGGQYRCYGA
HNLSSEWSAPSDPLDILIAGQFYDRVSLSVQPGPTVASGENVTLLCQSQGWMQTFLLTKE
GAADDPWRLRSTYQSQKYQAEFPMGPVTSAHAGTYRCYGSQSSKPYLLTHPSDPLELVVS
GPSGGPSSPTTGPTSTSGPEDQPLTPTGSDPQSGLGRHLGVVIGILVAVILLLLLLLLLF
LILRHRRQGKHWTSTQRKADFQHPAGAVGPEPTDRGLQWRSSPAADAQEENLYAAVKHTQ
PEDGVEMDTRSPHDEDPQAVTYAEVKHSRPRREMASPPSPLSGEFLDTKDRQAEEDRQMD
TEAAASEAPQDVTYAQLHSLTLRREATEPPPSQEGPSPAVPSIYATLAIH
GenBank ID Protein 116488411
UniProtKB/Swiss-Prot ID Q8NHL6
UniProtKB/Swiss-Prot Entry Name LIRB1_HUMAN
PDB IDs
GenBank Gene ID NM_006669.3
GeneCard ID LILRB1
GenAtlas ID LILRB1
HGNC ID HGNC:6605
References
General References
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  3. Cosman D, Fanger N, Borges L, Kubin M, Chin W, Peterson L, Hsu ML: A novel immunoglobulin superfamily receptor for cellular and viral MHC class I molecules. Immunity. 1997 Aug;7(2):273-82. [PubMed:9285411 ]
  4. Fanger NA, Cosman D, Peterson L, Braddy SC, Maliszewski CR, Borges L: The MHC class I binding proteins LIR-1 and LIR-2 inhibit Fc receptor-mediated signaling in monocytes. Eur J Immunol. 1998 Nov;28(11):3423-34. [PubMed:9842885 ]
  5. Liu WR, Kim J, Nwankwo C, Ashworth LK, Arm JP: Genomic organization of the human leukocyte immunoglobulin-like receptors within the leukocyte receptor complex on chromosome 19q13.4. Immunogenetics. 2000 Jul;51(8-9):659-69. [PubMed:10941837 ]
  6. Bellon T, Kitzig F, Sayos J, Lopez-Botet M: Mutational analysis of immunoreceptor tyrosine-based inhibition motifs of the Ig-like transcript 2 (CD85j) leukocyte receptor. J Immunol. 2002 Apr 1;168(7):3351-9. [PubMed:11907092 ]
  7. Chapman TL, Heikema AP, West AP Jr, Bjorkman PJ: Crystal structure and ligand binding properties of the D1D2 region of the inhibitory receptor LIR-1 (ILT2). Immunity. 2000 Nov;13(5):727-36. [PubMed:11114384 ]