NCBI Summary
This gene encodes a member of the sialic acid-binding immunoglobulin-like lectin family. These cell surface lectins are characterized by structural motifs in the immunoglobulin (Ig)-like domains and sialic acid recognition sites in the first Ig V set domain. This family member mediates anti-inflammatory and immunosuppressive signaling. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011].
Protein
Protein (NP_443116)
SIGLEC-11
Sialic acid-binding Ig-like lectin 11 (Sialic acid-binding lectin 11) (Siglec-11)
SIGLEC11
sialic acid binding Ig like lectin 11
Undefined
Curated
I-type lectin
I-Type Lectins - CD33-related Siglecs
b-sandwich / Ig-like
NeuAc / Neu5Ac(a2-8)Neu5Ac(a2-3)Gal
0.513
Protein sequence and protein families (fasta) (698 amino acids) Download
MVPGQAQPQSPEMLLLPLLLPVLGAGSLNKDPSYSLQVQRQVPVPEGLCVIVSCNLSYPRDGWDESTAAYGYWFKGRTSPKTGAPVATNNQSREVEMSTRDRFQLTGDPGKGSCSLVIRDAQREDEAWYFFRVERGSRVRHSFLSNAFFLKVTALTKKPDVYIPETLEPGQPVTVICVFNWAFKKCPAPSFSWTGAALSPRRTRPSTSHFSVLSFTPSPQDHDTDLTCHVDFSRKGVSAQRTVRLRVAYAPKDLIISISHDNTSALELQGNVIYLEVQKGQFLRLLCAADSQPPATLSWVLQDRVLSSSHPWGPRTLGLELRGVRAGDSGRYTCRAENRLGSQQQALDLSVQYPPENLRVMVSQANRTVLENLGNGTSLPVLEGQSLRLVCVTHSSPPARLSWTRWGQTVGPSQPSDPGVLELPPIQMEHEGEFTCHAQHPLGSQHVSLSLSVHYPPQLLGPSCSWEAEGLHCSCSSQASPAPSLRWWLGEELLEGNSSQGSFEVTPSSAGPWANSSLSLHGGLSSGLRLRCKAWNVHGAQSGSVFQLLPGKLEHGGGLGLGAALGAGVAALLAFCSCLVVFRVKICRKEARKRAAAEQDVPSTLGPISQGHQHECSAGSSQDHPPPGAATYTPGKGEEQELHYASLSFQGLRLWEPADQEAPSTTEYSEIKIHTGQPLRGPGFGLQLEREMSGMVPK
No structure currently available in the PDB RCSB Databank.
Structural models
Model Confidence:
  •    Very high (pLDDT > 90)
  •    Confident (90 > pLDDT > 70)
  •    Low (70 > pLDDT > 50)
  •    Very low (pLDDT < 50)

  AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Some regions with low pLDDT may be unstructured in isolation.

SWISS-MODEL structural models
Modeller structural model (Homology modelling pipeline), Error: [1.27, 1.54] ÅDownload
The location of the lectin domain structural model is: 31-159
We infer [1.27, 1.54] Å as the interval of error of this structural model.
Template 1: 2N7B chain: A, Q9NYZ4, NP_055257.2, sequence identity: 48.1%, coverage: 94.6%, location in sequence: 26-152, (10-136 in PDB).
Template 2: 2ZG1 chain: A, O15389, NP_003821.1, sequence identity: 47.3%, coverage: 94.6%, location in sequence: 20-141, (25-146 in PDB).
Template 3: 6D4A chain: B, P20138, NP_001763.3, sequence identity: 43.4%, coverage: 96.1%, location in sequence: 18-141, (18-141 in PDB).
Show the alignment used for the construction of the structural model, Download.
Show the plot of DOPE energy score, Download.
Oligomerization and Known Interactions
Interacts with PTPN6/SHP-1 and PTPN11/SHP-2 upon phosphorylation
Annotation
Ligand
Glycan ligands from structural data
No crystal structures of complexes with glycan ligand.
Expression
Functionality temporarily unavailable.
References
NCBI References (6 PubMed Identifiers)
  • Paired Siglec receptors generate opposite inflammatory responses to a human-specific pathogen. [28100677]
  • Expression of Siglec-11 by human and chimpanzee ovarian stromal cells, with uniquely human ligands: implications for human ovarian physiology and pathology. [21467073]
  • Alleviation of neurotoxicity by microglial human Siglec-11. [20203208]
  • SIGLEC16 encodes a DAP12-associated receptor expressed in macrophages that evolved from its inhibitory counterpart SIGLEC11 and has functional and non-functional alleles in humans. [18629938]
  • A human-specific gene in microglia. [16151003]
  • Cloning and characterization of human Siglec-11. A recently evolved signaling molecule that can interact with SHP-1 and SHP-2 and is expressed by tissue macrophages, including brain microglia. [11986327]
UniProt Main References (2 PubMed Identifiers)
  • The DNA sequence and biology of human chromosome 19. [15057824]
  • The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment. [12975309]
All isoforms of this gene containing a lectin domain
XP_005258533.2, NP_443116.2, XP_005258534.2, NP_001128635.1
RNA
RNA (Transcript ID: NM_052884.3)
sialic acid binding Ig like lectin 11, transcript variant 1
m7G-5')ppp(5'-CGAGGCUCCUCCUCUGUGGAUGGUCACUGCCCCUCCACCAGGCUUCCUGCUGGAGGAGUUUCCUUCCCAGCCAGGCCGGCCCAGAAGCCAGAUGGUCCCGGGACAGGCCCAGCCCCAGAGCCCAGAGAUGCUGCUGCUGCCCCUGCUGCUGCCCGUGCUGGGGGCGGGGUCCCUGAACAAGGAUCCCAGUUACAGUCUUCAAGUGCAGAGGCAGGUGCCGGUGCCGGAGGGCCUGUGUGUCAUCGUGUCUUGCAACCUCUCCUACCCCCGGGAUGGCUGGGACGAGUCUACUGCUGCUUAUGGCUACUGGUUCAAAGGACGGACCAGCCCAAAGACGGGUGCUCCUGUGGCCACUAACAACCAGAGUCGAGAGGUGGAAAUGAGCACCCGGGACCGAUUCCAGCUCACUGGGGAUCCCGGCAAAGGGAGCUGCUCCUUGGUGAUCAGAGACGCGCAGAGGGAGGAUGAGGCAUGGUACUUCUUUCGGGUGGAGAGAGGAAGCCGUGUGAGACAUAGUUUCCUGAGCAAUGCGUUCUUUCUAAAAGUAACAGCCCUGACUAAGAAGCCUGAUGUCUACAUCCCCGAGACCCUGGAGCCCGGGCAGCCGGUGACGGUCAUCUGUGUGUUUAACUGGGCUUUCAAGAAAUGUCCAGCCCCUUCUUUCUCCUGGACGGGGGCUGCCCUCUCCCCUAGAAGAACCAGACCAAGCACCUCCCACUUCUCAGUGCUCAGCUUCACGCCCAGCCCCCAGGACCACGACACCGACCUCACCUGCCAUGUGGACUUCUCCAGAAAGGGUGUGAGCGCACAGAGGACCGUCCGACUCCGUGUGGCCUAUGCCCCCAAAGACCUUAUUAUCAGCAUUUCACAUGACAACACGUCAGCCCUGGAACUCCAGGGAAACGUCAUAUAUCUGGAAGUUCAGAAAGGCCAGUUCCUGCGGCUCCUCUGUGCUGCUGACAGCCAGCCCCCUGCCACGCUGAGCUGGGUCCUGCAGGACAGAGUCCUCUCCUCGUCCCACCCCUGGGGCCCCAGAACCCUGGGGCUGGAGCUGCGUGGGGUAAGGGCCGGGGAUUCAGGGCGCUACACCUGCCGAGCGGAGAACAGGCUUGGCUCCCAGCAGCAAGCCCUGGACCUCUCUGUGCAGUAUCCUCCAGAGAACCUGAGAGUGAUGGUUUCCCAAGCAAACAGGACAGUCCUGGAAAACCUCGGGAACGGCACAUCCCUCCCGGUCCUGGAGGGCCAAAGCCUGCGCCUGGUCUGUGUCACCCACAGCAGCCCCCCAGCCAGGCUGAGCUGGACCCGGUGGGGACAGACCGUGGGCCCCUCCCAGCCCUCAGACCCCGGGGUCCUGGAGCUGCCACCCAUUCAAAUGGAGCACGAAGGAGAGUUCACCUGCCACGCUCAGCACCCUCUGGGCUCCCAGCACGUCUCUCUCAGCCUCUCCGUGCACUACCCUCCACAGCUGCUGGGCCCCUCCUGCUCCUGGGAGGCUGAGGGUCUGCACUGCAGCUGCUCCUCCCAGGCCAGCCCGGCCCCCUCUCUGCGCUGGUGGCUUGGGGAGGAGCUGCUGGAGGGGAACAGCAGUCAGGGCUCCUUCGAGGUCACCCCCAGCUCAGCCGGGCCCUGGGCCAACAGCUCCCUGAGCCUCCAUGGAGGGCUCAGCUCCGGCCUCAGGCUCCGCUGUAAGGCCUGGAACGUCCACGGGGCCCAGAGUGGCUCUGUCUUCCAGCUGCUACCAGGGAAGCUGGAGCAUGGGGGAGGACUUGGCCUGGGGGCUGCCCUGGGAGCUGGCGUCGCUGCCCUGCUCGCUUUCUGUUCCUGCCUUGUCGUCUUCAGGGUGAAGAUCUGCAGGAAGGAAGCUCGCAAGAGGGCAGCAGCUGAGCAGGACGUGCCCUCCACCCUGGGACCCAUCUCCCAGGGUCACCAGCAUGAAUGCUCGGCAGGCAGCUCCCAAGACCACCCGCCCCCAGGUGCAGCCACCUACACCCCGGGGAAGGGGGAAGAGCAGGAGCUCCACUAUGCCUCCCUCAGCUUCCAGGGCCUGAGGCUCUGGGAGCCUGCGGACCAGGAGGCCCCCAGCACCACCGAGUACUCGGAGAUCAAGAUCCACACAGGACAGCCCCUGAGGGGCCCAGGCUUUGGGCUUCAAUUGGAGAGGGAGAUGUCAGGGAUGGUUCCAAAGUGAAGAGGUCUCCAUGGCAACAGGACACCAGCAAGUGUGUGGGAGUCGCACUGGUGUGACGGCCAGAACUGGACUCAGAUUUCAGCCCCAUCCCCAAUGAAGAGCUUGAGUUUGAAGAUUAUACUUUUUUUGAGACAGGGUCUGACUCUGUCCUCCAGGCCAGAGUCCAGUGGUGCAAUCUCAGCUCACUGUAGCCUCAACCUGCCAGGUUGAAGUGAGCCUCCCAUUUCAGCCUCCCAAGUAGCUGGGACUACAAUUGUGAGCCACCAUGCCAGGCUCAUUGUUAUAUUUUUAGUAGAGACAGGGUUUUGCCAUGUUUCCCUGGCUGGUCUCAGACUCCUGGGCUCAAGCAAUCUGCCCGCCUCUGCCUCCCAAAGUGCUGGGAUUACAGACGUGAGCCACCACAGCUGGCUGAAGAUUAUACUUUCAAUUCAGAGCGAGUUUGAAGAUGACACUUUGAGGCAUCGUGUCUAUGGUUCAUUACUACAGAAGCUUCUCUGGAUGUGUAAAGCACAGGAAACCAGGCAGAGGAGGCACAGGGUGCUCUCCAGAACGAGAAGCCAGCUCCUGGAGUUGUUUGCUGCAACUGCCAUUCCCCGUUGAUGACCAUGCUCUUCCUUCAGAAGAGGGAGAGUGAGAGGACCAAGUCCAAGUGGUUCCCAUUUGAACAUUUAAAAAAAAAAAAAAGGCUGGGCAUGGUGGCUCACGCCUGUAAUCUCAACACUUUGGGAGGCUGAAGUGGGUGGAUCACAAGUCAGGAGUUCAAGACCAGCCUGGGCAAGAUGGUGAAACCCCAUCUCUACUAAAAAUACAAAAAUUAGCCGGGCAUGGUGGCGGGCGCCUAAAAUCCCAGCUACUCGGGAGACUAGGCAGAGAAUUGGUUGAACCCGGGAGGUGGAGGUUGCAGUGAGCCGAGAUCGUCCCACUGCACUCCAGCCUGGGCAACAGAGUGAGACUCUGUUUCUAAAUAAAUAAAUGAAUAAAUAAA-3'- Poly-A tail
  • Coding region
DNA
DNA (Gene ID: 114132)
sialic acid binding Ig like lectin 11
strand -
NCBI CDS gene sequence (2097 bp)
5'-ATGGTCCCGGGACAGGCCCAGCCCCAGAGCCCAGAGATGCTGCTGCTGCCCCTGCTGCTGCCCGTGCTGGGGGCGGGGTCCCTGAACAAGGATCCCAGTTACAGTCTTCAAGTGCAGAGGCAGGTGCCGGTGCCGGAGGGCCTGTGTGTCATCGTGTCTTGCAACCTCTCCTACCCCCGGGATGGCTGGGACGAGTCTACTGCTGCTTATGGCTACTGGTTCAAAGGACGGACCAGCCCAAAGACGGGTGCTCCTGTGGCCACTAACAACCAGAGTCGAGAGGTGGAAATGAGCACCCGGGACCGATTCCAGCTCACTGGGGATCCCGGCAAAGGGAGCTGCTCCTTGGTGATCAGAGACGCGCAGAGGGAGGATGAGGCATGGTACTTCTTTCGGGTGGAGAGAGGAAGCCGTGTGAGACATAGTTTCCTGAGCAATGCGTTCTTTCTAAAAGTAACAGCCCTGACTAAGAAGCCTGATGTCTACATCCCCGAGACCCTGGAGCCCGGGCAGCCGGTGACGGTCATCTGTGTGTTTAACTGGGCTTTCAAGAAATGTCCAGCCCCTTCTTTCTCCTGGACGGGGGCTGCCCTCTCCCCTAGAAGAACCAGACCAAGCACCTCCCACTTCTCAGTGCTCAGCTTCACGCCCAGCCCCCAGGACCACGACACCGACCTCACCTGCCATGTGGACTTCTCCAGAAAGGGTGTGAGCGCACAGAGGACCGTCCGACTCCGTGTGGCCTATGCCCCCAAAGACCTTATTATCAGCATTTCACATGACAACACGTCAGCCCTGGAACTCCAGGGAAACGTCATATATCTGGAAGTTCAGAAAGGCCAGTTCCTGCGGCTCCTCTGTGCTGCTGACAGCCAGCCCCCTGCCACGCTGAGCTGGGTCCTGCAGGACAGAGTCCTCTCCTCGTCCCACCCCTGGGGCCCCAGAACCCTGGGGCTGGAGCTGCGTGGGGTAAGGGCCGGGGATTCAGGGCGCTACACCTGCCGAGCGGAGAACAGGCTTGGCTCCCAGCAGCAAGCCCTGGACCTCTCTGTGCAGTATCCTCCAGAGAACCTGAGAGTGATGGTTTCCCAAGCAAACAGGACAGTCCTGGAAAACCTCGGGAACGGCACATCCCTCCCGGTCCTGGAGGGCCAAAGCCTGCGCCTGGTCTGTGTCACCCACAGCAGCCCCCCAGCCAGGCTGAGCTGGACCCGGTGGGGACAGACCGTGGGCCCCTCCCAGCCCTCAGACCCCGGGGTCCTGGAGCTGCCACCCATTCAAATGGAGCACGAAGGAGAGTTCACCTGCCACGCTCAGCACCCTCTGGGCTCCCAGCACGTCTCTCTCAGCCTCTCCGTGCACTACCCTCCACAGCTGCTGGGCCCCTCCTGCTCCTGGGAGGCTGAGGGTCTGCACTGCAGCTGCTCCTCCCAGGCCAGCCCGGCCCCCTCTCTGCGCTGGTGGCTTGGGGAGGAGCTGCTGGAGGGGAACAGCAGTCAGGGCTCCTTCGAGGTCACCCCCAGCTCAGCCGGGCCCTGGGCCAACAGCTCCCTGAGCCTCCATGGAGGGCTCAGCTCCGGCCTCAGGCTCCGCTGTAAGGCCTGGAACGTCCACGGGGCCCAGAGTGGCTCTGTCTTCCAGCTGCTACCAGGGAAGCTGGAGCATGGGGGAGGACTTGGCCTGGGGGCTGCCCTGGGAGCTGGCGTCGCTGCCCTGCTCGCTTTCTGTTCCTGCCTTGTCGTCTTCAGGGTGAAGATCTGCAGGAAGGAAGCTCGCAAGAGGGCAGCAGCTGAGCAGGACGTGCCCTCCACCCTGGGACCCATCTCCCAGGGTCACCAGCATGAATGCTCGGCAGGCAGCTCCCAAGACCACCCGCCCCCAGGTGCAGCCACCTACACCCCGGGGAAGGGGGAAGAGCAGGAGCTCCACTATGCCTCCCTCAGCTTCCAGGGCCTGAGGCTCTGGGAGCCTGCGGACCAGGAGGCCCCCAGCACCACCGAGTACTCGGAGATCAAGATCCACACAGGACAGCCCCTGAGGGGCCCAGGCTTTGGGCTTCAATTGGAGAGGGAGATGTCAGGGATGGTTCCAAAGTGA-3'
NCBI CDS gene sequence with introns (location: 49949970.. 49961081) (11112 bp)Download
NCBI CDS gene sequence with introns, 5'UTR and 3'UTR (location: 49948985.. 49961172) (12188 bp)Download
NCBI gene sequence (location: [49948985.. 49961172 + 1000]) (13188 bp)Download
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